]> git.karo-electronics.de Git - linux-beck.git/log
linux-beck.git
9 years ago[media] media: adv7180: add of match table
Ben Dooks [Wed, 3 Jun 2015 13:59:50 +0000 (10:59 -0300)]
[media] media: adv7180: add of match table

Add a proper of match id for use when the device is being bound via
device tree, to avoid having to use the i2c old-style binding of the
device.

Signed-off-by: Ben Dooks <ben.dooks@codethink.co.uk>
Signed-off-by: William.Towle <william.towle@codethink.co.uk>
Reviewed-by: Rob Taylor <rob.taylor@codethink.co.uk>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
9 years ago[media] DocBook/media: fix bad spacing in VIDIOC_EXPBUF
Hans Verkuil [Mon, 15 Jun 2015 11:33:41 +0000 (08:33 -0300)]
[media] DocBook/media: fix bad spacing in VIDIOC_EXPBUF

The VIDIOC_EXPBUF documentation had spurious spaces that made it irritating
to read. Fix this.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
9 years ago[media] media/i2c/sr030pc30: Remove compat control ops
Ricardo Ribalda [Fri, 12 Jun 2015 16:31:11 +0000 (13:31 -0300)]
[media] media/i2c/sr030pc30: Remove compat control ops

They are no longer used in old non-control-framework
bridge drivers.

Reported-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Ricardo Ribalda Delgado <ricardo.ribalda@gmail.com>
Acked-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
9 years ago[media] sh-vou: add support for log_status
Hans Verkuil [Mon, 8 Jun 2015 06:20:15 +0000 (03:20 -0300)]
[media] sh-vou: add support for log_status

Dump the VOU registers in log_status.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
9 years ago[media] sh-vou: convert to vb2
Hans Verkuil [Sun, 7 Jun 2015 08:58:05 +0000 (05:58 -0300)]
[media] sh-vou: convert to vb2

This converts this driver to videobuf2. As usual it is a big and hard to review
patch, but this is always a big-bang change.

It has been tested with my Renesas board.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
9 years ago[media] sh-vou: fix bytesperline
Hans Verkuil [Sun, 7 Jun 2015 08:58:04 +0000 (05:58 -0300)]
[media] sh-vou: fix bytesperline

The bytesperline values were wrong for planar formats where bytesperline is
the line length for the first plane.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
9 years ago[media] sh-vou: let sh_vou_s_fmt_vid_out call sh_vou_try_fmt_vid_out
Hans Verkuil [Sun, 7 Jun 2015 08:58:03 +0000 (05:58 -0300)]
[media] sh-vou: let sh_vou_s_fmt_vid_out call sh_vou_try_fmt_vid_out

This ensures that both do the same checks, and simplifies s_fmt_vid_out
a bit.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
9 years ago[media] sh-vou: replace g/s_crop/cropcap by g/s_selection
Hans Verkuil [Sun, 7 Jun 2015 08:58:01 +0000 (05:58 -0300)]
[media] sh-vou: replace g/s_crop/cropcap by g/s_selection

Implement g/s_selection. The v4l2 core will emulate g/s_crop and
cropcap on top of g/s_selection.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
9 years ago[media] sh-vou: fix incorrect initial pixelformat
Hans Verkuil [Sun, 7 Jun 2015 08:58:00 +0000 (05:58 -0300)]
[media] sh-vou: fix incorrect initial pixelformat

It was set to a format that wasn't supported.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
9 years ago[media] sh-vou: support compulsory G/S/ENUM_OUTPUT ioctls
Hans Verkuil [Sun, 7 Jun 2015 08:57:59 +0000 (05:57 -0300)]
[media] sh-vou: support compulsory G/S/ENUM_OUTPUT ioctls

Video output drivers must support these ioctls. Otherwise applications
cannot deduce that these outputs exist and what capabilities they have.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
9 years ago[media] sh-vou: use v4l2_fh
Hans Verkuil [Sun, 7 Jun 2015 08:57:58 +0000 (05:57 -0300)]
[media] sh-vou: use v4l2_fh

This allows us to drop the use_count and you get free G/S_PRIORITY support.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
9 years ago[media] sh-vou: fix querycap support
Hans Verkuil [Sun, 7 Jun 2015 08:57:57 +0000 (05:57 -0300)]
[media] sh-vou: fix querycap support

Fix v4l2-compliance errors due to empty driver and bus_info fields.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
9 years ago[media] sh-vou: use resource managed calls
Hans Verkuil [Sun, 7 Jun 2015 08:57:56 +0000 (05:57 -0300)]
[media] sh-vou: use resource managed calls

Simplify the sh-vou clean up by using devm_* were possible.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Cc: Magnus Damm <damm@opensource.se>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
9 years ago[media] vsp1: declar vsp1_pipeline_stopped() as static
Mauro Carvalho Chehab [Fri, 3 Jul 2015 11:35:51 +0000 (08:35 -0300)]
[media] vsp1: declar vsp1_pipeline_stopped() as static

drivers/media/platform/vsp1/vsp1_video.c:517:6: warning: no previous prototype for 'vsp1_pipeline_stopped' [-Wmissing-prototypes]
 bool vsp1_pipeline_stopped(struct vsp1_pipeline *pipe)
      ^

Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
9 years ago[media] clock-sh7724.c: fix sh-vou clock identifier
Hans Verkuil [Sun, 7 Jun 2015 08:57:55 +0000 (05:57 -0300)]
[media] clock-sh7724.c: fix sh-vou clock identifier

Bitrot has set in for this driver and the sh-vou clock was never enabled,
since the clock name in clock-sh7724.c was wrong. It should be sh-vou, not
sh-vou.0.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Thanks-to: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Magnus Damm <damm@opensource.se>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
9 years ago[media] v4l: vsp1: Align crop rectangle to even boundary for YUV formats
Damian Hobson-Garcia [Thu, 28 May 2015 12:59:39 +0000 (09:59 -0300)]
[media] v4l: vsp1: Align crop rectangle to even boundary for YUV formats

Make sure that there are valid values in the crop rectangle to ensure
that the color plane doesn't get shifted when cropping.
Since there is no distinction between 12bit and 16bit YUV formats in
at the subdev level, use the more restrictive 12bit limits for all YUV
formats.

Signed-off-by: Damian Hobson-Garcia <dhobsong@igel.co.jp>
Signed-off-by: Yoshihiro Kaneko <ykaneko0929@gmail.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
9 years ago[media] v4l: vsp1: Fix race condition when stopping pipeline
Laurent Pinchart [Wed, 29 Apr 2015 19:54:39 +0000 (16:54 -0300)]
[media] v4l: vsp1: Fix race condition when stopping pipeline

When stopping the pipeline the driver waits for the pipeline state to be
set to VSP1_PIPELINE_STOPPED but fails to lock the pipe irqlock to read
the state variable protected by the lock. Fix it.

Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
9 years ago[media] v4l: vsp1: Fix Suspend-to-RAM
Sei Fumizono [Sun, 15 Mar 2015 14:33:07 +0000 (11:33 -0300)]
[media] v4l: vsp1: Fix Suspend-to-RAM

Fix Suspend-to-RAM so that VSP1 driver continues to work after resuming.

In detail,
  - Fix the judgment of ref count in resuming.
  - Add stopping VSP1 during suspend.

[Refactor the suspend and resume code to lower suspend delay]

Signed-off-by: Sei Fumizono <sei.fumizono.jw@hitachi-solutions.com>
Signed-off-by: Yoshifumi Hosoya <yoshifumi.hosoya.wj@renesas.com>
Signed-off-by: Yoshihiro Kaneko <ykaneko0929@gmail.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
9 years ago[media] v4l: vsp1: Fix VI6_DPR_ROUTE_FXA_MASK macro
Nobuhiro Iwamatsu [Thu, 29 Jan 2015 00:53:55 +0000 (22:53 -0200)]
[media] v4l: vsp1: Fix VI6_DPR_ROUTE_FXA_MASK macro

FXA bit of VI6_DPR_mod_ROUTE register starts from 16bit. But VI6_DPR_ROUTE_FXA_MASK
is set to become start from 8bit. This fixes shift size for VI6_DPR_ROUTE_FXA_MASK.

Signed-off-by: Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
9 years ago[media] v4l: vsp1: Fix VI6_DPR_ROUTE_FP_MASK macro
Nobuhiro Iwamatsu [Thu, 29 Jan 2015 00:53:54 +0000 (22:53 -0200)]
[media] v4l: vsp1: Fix VI6_DPR_ROUTE_FP_MASK macro

FP bit of VI6_DPR_mod_ROUTE register is 6bit. But VI6_DPR_ROUTE_FP_MASK is set
to 0xFF, this will mask until the reserve bit.
This fixes size for VI6_DPR_ROUTE_FP_MASK.

Signed-off-by: Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
9 years ago[media] v4l: vsp1: Fix VI6_WPF_SZCLIP_SIZE_MASK macro
Nobuhiro Iwamatsu [Thu, 29 Jan 2015 00:53:53 +0000 (22:53 -0200)]
[media] v4l: vsp1: Fix VI6_WPF_SZCLIP_SIZE_MASK macro

Clipping size bit of VI6_WPFn _HSZCLIP and VI6_WPFn _VSZCLIP register are from
0 bit to 11 bit. But VI6_WPF_SZCLIP_SIZE_MASK is set to 0x1FFF, this will mask
until the reserve bits. This fixes size for VI6_WPF_SZCLIP_SIZE_MASK.

Signed-off-by: Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
9 years ago[media] gscpa_m5602: use msecs_to_jiffies for conversions
Nicholas Mc Guire [Sun, 7 Jun 2015 14:34:40 +0000 (11:34 -0300)]
[media] gscpa_m5602: use msecs_to_jiffies for conversions

API compliance scanning with coccinelle flagged:
./drivers/media/usb/gspca/m5602/m5602_s5k83a.c:180:9-25:
 WARNING: timeout (100) seems HZ dependent

Numeric constants passed to schedule_timeout() make the effective
timeout HZ dependent which makes little sense in a polling loop for
the cameras rotation state.
Fixed up by converting the constant to jiffies with msecs_to_jiffies()

Signed-off-by: Nicholas Mc Guire <hofrat@osadl.org>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
9 years ago[media] gspca: sn9c2028: remove an unneeded condition
Dan Carpenter [Thu, 4 Jun 2015 08:52:26 +0000 (05:52 -0300)]
[media] gspca: sn9c2028: remove an unneeded condition

We already know status is negative because of the earlier check so there
is no need to check again.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
9 years ago[media] media/radio/saa7706h: Remove compat control ops
Ricardo Ribalda [Fri, 12 Jun 2015 16:31:18 +0000 (13:31 -0300)]
[media] media/radio/saa7706h: Remove compat control ops

They are no longer used in old non-control-framework
bridge drivers.

Reported-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Ricardo Ribalda Delgado <ricardo.ribalda@gmail.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
9 years ago[media] pci/ivtv/ivtv-gpio: Remove compat control ops
Ricardo Ribalda [Fri, 12 Jun 2015 16:31:17 +0000 (13:31 -0300)]
[media] pci/ivtv/ivtv-gpio: Remove compat control ops

They are no longer used in old non-control-framework
bridge drivers.

Reported-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Ricardo Ribalda Delgado <ricardo.ribalda@gmail.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
9 years ago[media] i2c/wm8739: Remove compat control ops
Ricardo Ribalda [Fri, 12 Jun 2015 16:31:16 +0000 (13:31 -0300)]
[media] i2c/wm8739: Remove compat control ops

They are no longer used in old non-control-framework
bridge drivers.

Reported-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Ricardo Ribalda Delgado <ricardo.ribalda@gmail.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
9 years ago[media] media/i2c/tvp7002: Remove compat control ops
Ricardo Ribalda [Fri, 12 Jun 2015 16:31:15 +0000 (13:31 -0300)]
[media] media/i2c/tvp7002: Remove compat control ops

They are no longer used in old non-control-framework
bridge drivers.

Reported-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Ricardo Ribalda Delgado <ricardo.ribalda@gmail.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
9 years ago[media] media/i2c/tvp514x: Remove compat control ops
Ricardo Ribalda [Fri, 12 Jun 2015 16:31:14 +0000 (13:31 -0300)]
[media] media/i2c/tvp514x: Remove compat control ops

They are no longer used in old non-control-framework
bridge drivers.

Reported-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Ricardo Ribalda Delgado <ricardo.ribalda@gmail.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
9 years ago[media] media/i2c/tlv320aic23: Remove compat control ops
Ricardo Ribalda [Fri, 12 Jun 2015 16:31:13 +0000 (13:31 -0300)]
[media] media/i2c/tlv320aic23: Remove compat control ops

They are no longer used in old non-control-framework
bridge drivers.

Reported-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Ricardo Ribalda Delgado <ricardo.ribalda@gmail.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
9 years ago[media] media/i2c/tda7432: Remove compat control ops
Ricardo Ribalda [Fri, 12 Jun 2015 16:31:12 +0000 (13:31 -0300)]
[media] media/i2c/tda7432: Remove compat control ops

They are no longer used in old non-control-framework
bridge drivers.

Reported-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Ricardo Ribalda Delgado <ricardo.ribalda@gmail.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
9 years ago[media] media/i2c/saa717x: Remove compat control ops
Ricardo Ribalda [Fri, 12 Jun 2015 16:31:10 +0000 (13:31 -0300)]
[media] media/i2c/saa717x: Remove compat control ops

They are no longer used in old non-control-framework
bridge drivers.

Reported-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Ricardo Ribalda Delgado <ricardo.ribalda@gmail.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
9 years ago[media] media/i2c/cs5345: Remove compat control ops
Ricardo Ribalda [Fri, 12 Jun 2015 16:31:09 +0000 (13:31 -0300)]
[media] media/i2c/cs5345: Remove compat control ops

They are no longer used in old non-control-framework
bridge drivers.

Reported-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Ricardo Ribalda Delgado <ricardo.ribalda@gmail.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
9 years ago[media] media/i2c/adv7393: Remove compat control ops
Ricardo Ribalda [Fri, 12 Jun 2015 16:31:08 +0000 (13:31 -0300)]
[media] media/i2c/adv7393: Remove compat control ops

They are no longer used in old non-control-framework
bridge drivers.

Reported-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Ricardo Ribalda Delgado <ricardo.ribalda@gmail.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
9 years ago[media] media/i2c/adv7343: Remove compat control ops
Ricardo Ribalda [Fri, 12 Jun 2015 16:31:07 +0000 (13:31 -0300)]
[media] media/i2c/adv7343: Remove compat control ops

They are no longer used in old non-control-framework
bridge drivers.

Reported-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Ricardo Ribalda Delgado <ricardo.ribalda@gmail.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
9 years ago[media] v4l2-dv-timings: print refresh rate with better precision
Prashant Laddha [Fri, 12 Jun 2015 11:48:10 +0000 (08:48 -0300)]
[media] v4l2-dv-timings: print refresh rate with better precision

In many cases, refresh rate is not exact integer. In such cases,
fraction was lost and it used to print, say, 59 in case of 59.94.
Now, capturing the fraction up to 2 decimal places.

Signed-off-by: Prashant Laddha <prladdha@cisco.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
9 years ago[media] media/v4l2-ctrls: Code cleanout validate_new()
Ricardo Ribalda [Wed, 10 Jun 2015 13:38:29 +0000 (10:38 -0300)]
[media] media/v4l2-ctrls: Code cleanout validate_new()

We can simplify the code removing the if().

v4l2_ctr_new sets ctrls->elems to 1 when !ctrl->is_ptr.

Signed-off-by: Ricardo Ribalda Delgado <ricardo.ribalda@gmail.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
9 years ago[media] atmel-isi: remove mck backward compatibility code
Josh Wu [Tue, 26 May 2015 09:54:47 +0000 (06:54 -0300)]
[media] atmel-isi: remove mck backward compatibility code

The master clock should be handled by sensor itself.

Signed-off-by: Josh Wu <josh.wu@atmel.com>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
9 years ago[media] atmel-isi: add runtime pm support
Josh Wu [Tue, 26 May 2015 09:54:46 +0000 (06:54 -0300)]
[media] atmel-isi: add runtime pm support

The runtime pm resume/suspend will enable/disable pclk (ISI peripheral
clock).

We have to call runtime_pm_get_sync()/runtime_pm_put() when we need to
access ISI registers. In atmel_isi_probe(), remove the isi disable code
as at that moment ISI peripheral clock is not enable yet.

Besides, clock_start()/clock_stop() is used to control the mclk, not
the ISI peripheral clock. So move this to start[stop]_streaming()
function.

Signed-off-by: Josh Wu <josh.wu@atmel.com>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
9 years ago[media] atmel-isi: disable ISI even if it has codec request
Josh Wu [Tue, 26 May 2015 09:54:45 +0000 (06:54 -0300)]
[media] atmel-isi: disable ISI even if it has codec request

In current code, stop_streaming() will just return if ISI is still
working in the codec. But this is incorrect, we need to disable ISI even
it is working on the codec, otherwise stop_streaming() will not work as
we expected.

Signed-off-by: Josh Wu <josh.wu@atmel.com>
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
9 years ago[media] v4l: omap4iss: Remove video node crop support
Laurent Pinchart [Sun, 12 Apr 2015 12:09:05 +0000 (09:09 -0300)]
[media] v4l: omap4iss: Remove video node crop support

Cropping should be configured on the pipeline subdev nodes, not through
the video nodes. Remove crop support on all video nodes.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
9 years ago[media] v4l: omap4iss: Enable driver compilation as a module
Laurent Pinchart [Sun, 12 Apr 2015 12:09:05 +0000 (09:09 -0300)]
[media] v4l: omap4iss: Enable driver compilation as a module

Now that the driver doesn't use the non-exported omap4_ctrl_pad_readl
and omap4_ctrl_pad_writel functions nothing prevents it from being
compiled as a module anymore.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
9 years ago[media] v4l: omap3isp: Fix sub-device power management code
Sakari Ailus [Fri, 12 Jun 2015 23:06:23 +0000 (20:06 -0300)]
[media] v4l: omap3isp: Fix sub-device power management code

Commit 813f5c0ac5cc ("media: Change media device link_notify behaviour")
modified the media controller link setup notification API and updated the
OMAP3 ISP driver accordingly. As a side effect it introduced a bug by
turning power on after setting the link instead of before. This results in
sub-devices not being powered down in some cases when they should be. Fix
it.

Fixes: 813f5c0ac5cc [media] media: Change media device link_notify behaviour
Signed-off-by: Sakari Ailus <sakari.ailus@iki.fi>
Cc: stable@vger.kernel.org # since v3.10
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
9 years ago[media] v4l: omap3isp: Fix async notifier registration order
Sakari Ailus [Tue, 19 May 2015 23:08:05 +0000 (20:08 -0300)]
[media] v4l: omap3isp: Fix async notifier registration order

The async notifier was registered before the v4l2_device was registered and
before the notifier callbacks were set. This could lead to missing the
bound() and complete() callbacks and to attempting to spin_lock() and
uninitialised spin lock.

Also fix unregistering the async notifier in the case of an error --- the
function may not fail anymore after the notifier is registered.

Fixes: da7f3843d2c7 ("[media] omap3isp: Add support for the Device Tree")
Signed-off-by: Sakari Ailus <sakari.ailus@iki.fi>
Reviewed-by: Sebastian Reichel <sre@kernel.org>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
9 years ago[media] media: uapi: vsp1: Use __u32 instead of u32
Joe Perches [Sat, 16 May 2015 18:11:40 +0000 (15:11 -0300)]
[media] media: uapi: vsp1: Use __u32 instead of u32

Don't use the kernel types in uapi headers.

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
9 years ago[media] v4l2-dv-timings: log if the timing is reduced blanking V2
Hans Verkuil [Fri, 12 Jun 2015 06:52:54 +0000 (03:52 -0300)]
[media] v4l2-dv-timings: log if the timing is reduced blanking V2

The last CVT standard introduced reduced blanking version 2 which is signaled by
a vsync of 8. Log this.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
9 years ago[media] v4l2-dv-timings: add support for reduced blanking v2
Prashant Laddha [Wed, 10 Jun 2015 16:51:42 +0000 (13:51 -0300)]
[media] v4l2-dv-timings: add support for reduced blanking v2

Added support for reduced blanking version 2 (RB v2) in cvt timings.
Standard specifies a fixed vsync pulse of 8 lines to indicate RB v2
timings. Vertical back porch is fixed at 6 lines and vertical front
porch is remainder of vertical blanking time.

For RB v2, horizontal blanking is fixed at 80 pixels. Horizontal sync
is fixed at 32. All horizontal timing counts (active pixels, front,
back porches) can be specified upto a precision of 1.

RB v2 allows for non standard aspect ratios. In RB v2 vsync does not
indicate aspect ratio. In absence of aspect ratio v4l2_detect_cvt()
cannot calculate image width from image height. Hence extending the
v4l2_detect_cvt() to pass image width in case of RB v2.

Signed-off-by: Prashant Laddha <prladdha@cisco.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
9 years ago[media] btcx-risc: use swap() in btcx_sort_clips()
Fabian Frederick [Wed, 10 Jun 2015 16:33:45 +0000 (13:33 -0300)]
[media] btcx-risc: use swap() in btcx_sort_clips()

Use kernel.h macro definition.

Thanks to Julia Lawall for Coccinelle scripting support.

Signed-off-by: Fabian Frederick <fabf@skynet.be>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
9 years ago[media] saa6588: use swap() in saa6588_i2c_poll()
Fabian Frederick [Wed, 10 Jun 2015 16:32:50 +0000 (13:32 -0300)]
[media] saa6588: use swap() in saa6588_i2c_poll()

Use kernel.h macro definition.

Thanks to Julia Lawall for Coccinelle scripting support.

Signed-off-by: Fabian Frederick <fabf@skynet.be>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
9 years ago[media] saa7146: use swap() in sort_and_eliminate()
Fabian Frederick [Wed, 10 Jun 2015 16:32:41 +0000 (13:32 -0300)]
[media] saa7146: use swap() in sort_and_eliminate()

Use kernel.h macro definition.

Thanks to Julia Lawall for Coccinelle scripting support.

Signed-off-by: Fabian Frederick <fabf@skynet.be>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
9 years ago[media] wl128x: use swap() in fm_rdsparse_swapbytes()
Fabian Frederick [Wed, 10 Jun 2015 16:32:39 +0000 (13:32 -0300)]
[media] wl128x: use swap() in fm_rdsparse_swapbytes()

Use kernel.h macro definition.

Thanks to Julia Lawall for Coccinelle scripting support.

Signed-off-by: Fabian Frederick <fabf@skynet.be>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
9 years ago[media] v4l2-dv-timings: use swap() in v4l2_calc_aspect_ratio()
Fabian Frederick [Wed, 10 Jun 2015 16:32:33 +0000 (13:32 -0300)]
[media] v4l2-dv-timings: use swap() in v4l2_calc_aspect_ratio()

Use kernel.h macro definition.

Thanks to Julia Lawall for Coccinelle scripting support.

Signed-off-by: Fabian Frederick <fabf@skynet.be>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
9 years ago[media] rc/Kconfig: fix indentation problem
Hans Verkuil [Tue, 9 Jun 2015 13:54:53 +0000 (10:54 -0300)]
[media] rc/Kconfig: fix indentation problem

The RC_ST and IR_SUNXI entries have weird indentation, and the RC_ST
entry is actually malformed. Fix it.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
9 years ago[media] radio-bcm2048: Fix region selection
Jan Roemisch [Tue, 9 Jun 2015 11:44:33 +0000 (08:44 -0300)]
[media] radio-bcm2048: Fix region selection

This patch fixes region selection for lower bottom_frequency in BCM2048 FM
receiver. It also removes "Japan wide band" region since this is impossible
to do just like that.

Signed-off-by: Jan Roemisch <maxx@spaceboyz.net>
Acked-by: Pali Rohár <pali.rohar@gmail.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
9 years ago[media] SOLO6x10: Remove dead code
Krzysztof Hałasa [Mon, 8 Jun 2015 13:50:22 +0000 (10:50 -0300)]
[media] SOLO6x10: Remove dead code

solo_dev and pdev cannot be NULL here. It doesn't matter if we
initialized the PCI device or not.

Signed-off-by: Krzysztof Ha?asa <khalasa@piap.pl>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
9 years ago[media] SOLO6x10: remove unneeded register locking and barriers
Krzysztof Hałasa [Mon, 8 Jun 2015 13:42:24 +0000 (10:42 -0300)]
[media] SOLO6x10: remove unneeded register locking and barriers

readl() and writel() are atomic, we don't need the spin lock.
Also, flushing posted write buffer isn't required. Especially on read :-)

Signed-off-by: Krzysztof Ha?asa <khalasa@piap.pl>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
9 years ago[media] SOLO6x10: unmap registers only after free_irq()
Krzysztof Hałasa [Mon, 8 Jun 2015 13:37:15 +0000 (10:37 -0300)]
[media] SOLO6x10: unmap registers only after free_irq()

Fixes a panic on ARM. Diagnosis by Russell King.

Signed-off-by: Krzysztof Ha?asa <khalasa@piap.pl>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
9 years ago[media] SOLO6x10: Fix G.723 minimum audio period count
Krzysztof Hałasa [Mon, 8 Jun 2015 13:35:05 +0000 (10:35 -0300)]
[media] SOLO6x10: Fix G.723 minimum audio period count

The period count is fixed, don't confuse ALSA.

Signed-off-by: Krzysztof Ha?asa <khalasa@piap.pl>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
9 years ago[media] stk1160: fix sequence handling
Hans Verkuil [Mon, 8 Jun 2015 09:53:59 +0000 (06:53 -0300)]
[media] stk1160: fix sequence handling

Fix the sequence counter: we're counting frames, not fields.

Also remove the unused 'field' field. That would only be needed if this driver
would support V4L2_FIELD_ALTERNATE.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
9 years agoMerge tag 'v4.2-rc1' into patchwork
Mauro Carvalho Chehab [Mon, 6 Jul 2015 11:21:35 +0000 (08:21 -0300)]
Merge tag 'v4.2-rc1' into patchwork

Linux 4.2-rc1

* tag 'v4.2-rc1': (12415 commits)
  Linux 4.2-rc1
  bluetooth: fix list handling
  9p: cope with bogus responses from server in p9_client_{read,write}
  p9_client_write(): avoid double p9_free_req()
  9p: forgetting to cancel request on interrupted zero-copy RPC
  dax: bdev_direct_access() may sleep
  block: Add support for DAX reads/writes to block devices
  dax: Use copy_from_iter_nocache
  dax: Add block size note to documentation
  NTB: Add split BAR output for debugfs stats
  NTB: Change WARN_ON_ONCE to pr_warn_once on unsafe
  NTB: Print driver name and version in module init
  NTB: Increase transport MTU to 64k from 16k
  NTB: Rename Intel code names to platform names
  NTB: Default to CPU memcpy for performance
  NTB: Improve performance with write combining
  NTB: Use NUMA memory in Intel driver
  NTB: Use NUMA memory and DMA chan in transport
  NTB: Rate limit ntb_qp_link_work
  NTB: Add tool test client
  ...

9 years agoLinux 4.2-rc1
Linus Torvalds [Sun, 5 Jul 2015 18:01:52 +0000 (11:01 -0700)]
Linux 4.2-rc1

9 years agoMerge tag 'platform-drivers-x86-v4.2-2' of git://git.infradead.org/users/dvhart/linux...
Linus Torvalds [Sun, 5 Jul 2015 17:54:09 +0000 (10:54 -0700)]
Merge tag 'platform-drivers-x86-v4.2-2' of git://git.infradead.org/users/dvhart/linux-platform-drivers-x86

Pull late x86 platform driver updates from Darren Hart:
 "The following came in a bit later and I wanted them to bake in next a
  few more days before submitting, thus the second pull.

  A new intel_pmc_ipc driver, a symmetrical allocation and free fix in
  dell-laptop, a couple minor fixes, and some updated documentation in
  the dell-laptop comments.

  intel_pmc_ipc:
   - Add Intel Apollo Lake PMC IPC driver

  tc1100-wmi:
   - Delete an unnecessary check before the function call "kfree"

  dell-laptop:
   - Fix allocating & freeing SMI buffer page
   - Show info about WiGig and UWB in debugfs
   - Update information about wireless control"

* tag 'platform-drivers-x86-v4.2-2' of git://git.infradead.org/users/dvhart/linux-platform-drivers-x86:
  intel_pmc_ipc: Add Intel Apollo Lake PMC IPC driver
  tc1100-wmi: Delete an unnecessary check before the function call "kfree"
  dell-laptop: Fix allocating & freeing SMI buffer page
  dell-laptop: Show info about WiGig and UWB in debugfs
  dell-laptop: Update information about wireless control

9 years agoMerge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Linus Torvalds [Sun, 5 Jul 2015 02:36:06 +0000 (19:36 -0700)]
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs

Pull more vfs updates from Al Viro:
 "Assorted VFS fixes and related cleanups (IMO the most interesting in
  that part are f_path-related things and Eric's descriptor-related
  stuff).  UFS regression fixes (it got broken last cycle).  9P fixes.
  fs-cache series, DAX patches, Jan's file_remove_suid() work"

[ I'd say this is much more than "fixes and related cleanups".  The
  file_table locking rule change by Eric Dumazet is a rather big and
  fundamental update even if the patch isn't huge.   - Linus ]

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: (49 commits)
  9p: cope with bogus responses from server in p9_client_{read,write}
  p9_client_write(): avoid double p9_free_req()
  9p: forgetting to cancel request on interrupted zero-copy RPC
  dax: bdev_direct_access() may sleep
  block: Add support for DAX reads/writes to block devices
  dax: Use copy_from_iter_nocache
  dax: Add block size note to documentation
  fs/file.c: __fget() and dup2() atomicity rules
  fs/file.c: don't acquire files->file_lock in fd_install()
  fs:super:get_anon_bdev: fix race condition could cause dev exceed its upper limitation
  vfs: avoid creation of inode number 0 in get_next_ino
  namei: make set_root_rcu() return void
  make simple_positive() public
  ufs: use dir_pages instead of ufs_dir_pages()
  pagemap.h: move dir_pages() over there
  remove the pointless include of lglock.h
  fs: cleanup slight list_entry abuse
  xfs: Correctly lock inode when removing suid and file capabilities
  fs: Call security_ops->inode_killpriv on truncate
  fs: Provide function telling whether file_remove_privs() will do anything
  ...

9 years agobluetooth: fix list handling
Linus Torvalds [Sun, 5 Jul 2015 02:11:33 +0000 (19:11 -0700)]
bluetooth: fix list handling

Commit 835a6a2f8603 ("Bluetooth: Stop sabotaging list poisoning")
thought that the code was sabotaging the list poisoning when NULL'ing
out the list pointers and removed it.

But what was going on was that the bluetooth code was using NULL
pointers for the list as a way to mark it empty, and that commit just
broke it (and replaced the test with NULL with a "list_empty()" test on
a uninitialized list instead, breaking things even further).

So fix it all up to use the regular and real list_empty() handling
(which does not use NULL, but a pointer to itself), also making sure to
initialize the list properly (the previous NULL case was initialized
implicitly by the session being allocated with kzalloc())

This is a combination of patches by Marcel Holtmann and Tedd Ho-Jeong
An.

[ I would normally expect to get this through the bt tree, but I'm going
  to release -rc1, so I'm just committing this directly   - Linus ]

Reported-and-tested-by: Jörg Otte <jrg.otte@gmail.com>
Cc: Alexey Dobriyan <adobriyan@gmail.com>
Original-by: Tedd Ho-Jeong An <tedd.an@intel.com>
Original-by: Marcel Holtmann <marcel@holtmann.org>:
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
9 years agoMerge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/nab/target...
Linus Torvalds [Sat, 4 Jul 2015 21:13:43 +0000 (14:13 -0700)]
Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending

Pull SCSI target updates from Nicholas Bellinger:
 "It's been a busy development cycle for target-core in a number of
  different areas.

  The fabric API usage for se_node_acl allocation is now within
  target-core code, dropping the external API callers for all fabric
  drivers tree-wide.

  There is a new conversion to RCU hlists for se_node_acl and
  se_portal_group LUN mappings, that turns fast-past LUN lookup into a
  completely lockless code-path.  It also removes the original
  hard-coded limitation of 256 LUNs per fabric endpoint.

  The configfs attributes for backends can now be shared between core
  and driver code, allowing existing drivers to use common code while
  still allowing flexibility for new backend provided attributes.

  The highlights include:

   - Merge sbc_verify_dif_* into common code (sagi)
   - Remove iscsi-target support for obsolete IFMarker/OFMarker
     (Christophe Vu-Brugier)
   - Add bidi support in target/user backend (ilias + vangelis + agover)
   - Move se_node_acl allocation into target-core code (hch)
   - Add crc_t10dif_update common helper (akinobu + mkp)
   - Handle target-core odd SGL mapping for data transfer memory
     (akinobu)
   - Move transport ID handling into target-core (hch)
   - Move task tag into struct se_cmd + support 64-bit tags (bart)
   - Convert se_node_acl->device_list[] to RCU hlist (nab + hch +
     paulmck)
   - Convert se_portal_group->tpg_lun_list[] to RCU hlist (nab + hch +
     paulmck)
   - Simplify target backend driver registration (hch)
   - Consolidate + simplify target backend attribute implementations
     (hch + nab)
   - Subsume se_port + t10_alua_tg_pt_gp_member into se_lun (hch)
   - Drop lun_sep_lock for se_lun->lun_se_dev RCU usage (hch + nab)
   - Drop unnecessary core_tpg_register TFO parameter (nab)
   - Use 64-bit LUNs tree-wide (hannes)
   - Drop left-over TARGET_MAX_LUNS_PER_TRANSPORT limit (hannes)"

* 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending: (76 commits)
  target: Bump core version to v5.0
  target: remove target_core_configfs.h
  target: remove unused TARGET_CORE_CONFIG_ROOT define
  target: consolidate version defines
  target: implement WRITE_SAME with UNMAP bit using ->execute_unmap
  target: simplify UNMAP handling
  target: replace se_cmd->execute_rw with a protocol_data field
  target/user: Fix inconsistent kmap_atomic/kunmap_atomic
  target: Send UA when changing LUN inventory
  target: Send UA upon LUN RESET tmr completion
  target: Send UA on ALUA target port group change
  target: Convert se_lun->lun_deve_lock to normal spinlock
  target: use 'se_dev_entry' when allocating UAs
  target: Remove 'ua_nacl' pointer from se_ua structure
  target_core_alua: Correct UA handling when switching states
  xen-scsiback: Fix compile warning for 64-bit LUN
  target: Remove TARGET_MAX_LUNS_PER_TRANSPORT
  target: use 64-bit LUNs
  target: Drop duplicate + unused se_dev_check_wce
  target: Drop unnecessary core_tpg_register TFO parameter
  ...

9 years agoMerge tag 'ntb-4.2' of git://github.com/jonmason/ntb
Linus Torvalds [Sat, 4 Jul 2015 21:07:47 +0000 (14:07 -0700)]
Merge tag 'ntb-4.2' of git://github.com/jonmason/ntb

Pull NTB updates from Jon Mason:
 "This includes a pretty significant reworking of the NTB core code, but
  has already produced some significant performance improvements.

  An abstraction layer was added to allow the hardware and clients to be
  easily added.  This required rewriting the NTB transport layer for
  this abstraction layer.  This modification will allow future "high
  performance" NTB clients.

  In addition to this change, a number of performance modifications were
  added.  These changes include NUMA enablement, using CPU memcpy
  instead of asyncdma, and modification of NTB layer MTU size"

* tag 'ntb-4.2' of git://github.com/jonmason/ntb: (22 commits)
  NTB: Add split BAR output for debugfs stats
  NTB: Change WARN_ON_ONCE to pr_warn_once on unsafe
  NTB: Print driver name and version in module init
  NTB: Increase transport MTU to 64k from 16k
  NTB: Rename Intel code names to platform names
  NTB: Default to CPU memcpy for performance
  NTB: Improve performance with write combining
  NTB: Use NUMA memory in Intel driver
  NTB: Use NUMA memory and DMA chan in transport
  NTB: Rate limit ntb_qp_link_work
  NTB: Add tool test client
  NTB: Add ping pong test client
  NTB: Add parameters for Intel SNB B2B addresses
  NTB: Reset transport QP link stats on down
  NTB: Do not advance transport RX on link down
  NTB: Differentiate transport link down messages
  NTB: Check the device ID to set errata flags
  NTB: Enable link for Intel root port mode in probe
  NTB: Read peer info from local SPAD in transport
  NTB: Split ntb_hw_intel and ntb_transport drivers
  ...

9 years ago9p: cope with bogus responses from server in p9_client_{read,write}
Al Viro [Sat, 4 Jul 2015 20:17:39 +0000 (16:17 -0400)]
9p: cope with bogus responses from server in p9_client_{read,write}

if server claims to have written/read more than we'd told it to,
warn and cap the claimed byte count to avoid advancing more than
we are ready to.

9 years agop9_client_write(): avoid double p9_free_req()
Al Viro [Sat, 4 Jul 2015 20:11:05 +0000 (16:11 -0400)]
p9_client_write(): avoid double p9_free_req()

Braino in "9p: switch p9_client_write() to passing it struct iov_iter *";
if response is impossible to parse and we discard the request, get the
out of the loop right there.

Cc: stable@vger.kernel.org
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
9 years ago9p: forgetting to cancel request on interrupted zero-copy RPC
Al Viro [Sat, 4 Jul 2015 20:04:19 +0000 (16:04 -0400)]
9p: forgetting to cancel request on interrupted zero-copy RPC

If we'd already sent a request and decide to abort it, we *must*
issue TFLUSH properly and not just blindly reuse the tag, or
we'll get seriously screwed when response eventually arrives
and we confuse it for response to later request that had reused
the same tag.

Cc: stable@vger.kernel.org # v3.2 and later
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
9 years agodax: bdev_direct_access() may sleep
Matthew Wilcox [Fri, 3 Jul 2015 14:40:43 +0000 (10:40 -0400)]
dax: bdev_direct_access() may sleep

The brd driver is the only in-tree driver that may sleep currently.
After some discussion on linux-fsdevel, we decided that any driver
may choose to sleep in its ->direct_access method.  To ensure that all
callers of bdev_direct_access() are prepared for this, add a call
to might_sleep().

Signed-off-by: Matthew Wilcox <matthew.r.wilcox@intel.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
9 years agoblock: Add support for DAX reads/writes to block devices
Matthew Wilcox [Fri, 3 Jul 2015 14:40:42 +0000 (10:40 -0400)]
block: Add support for DAX reads/writes to block devices

If a block device supports the ->direct_access methods, bypass the normal
DIO path and use DAX to go straight to memcpy() instead of allocating
a DIO and a BIO.

Includes support for the DIO_SKIP_DIO_COUNT flag in DAX, as is done in
do_blockdev_direct_IO().

Signed-off-by: Matthew Wilcox <matthew.r.wilcox@intel.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
9 years agodax: Use copy_from_iter_nocache
Matthew Wilcox [Fri, 3 Jul 2015 14:40:39 +0000 (10:40 -0400)]
dax: Use copy_from_iter_nocache

When userspace does a write, there's no need for the written data to
pollute the CPU cache.  This matches the original XIP code.

Signed-off-by: Matthew Wilcox <willy@linux.intel.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
9 years agodax: Add block size note to documentation
Matthew Wilcox [Fri, 3 Jul 2015 14:40:38 +0000 (10:40 -0400)]
dax: Add block size note to documentation

For block devices which are small enough, mkfs will default to creating
a filesystem with block sizes smaller than page size.

Signed-off-by: Matthew Wilcox <willy@linux.intel.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
9 years agoMerge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm
Linus Torvalds [Sat, 4 Jul 2015 18:29:59 +0000 (11:29 -0700)]
Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm

Pull kvm fixes from Paolo Bonzini:
 "Except for the preempt notifiers fix, these are all small bugfixes
  that could have been waited for -rc2.  Sending them now since I was
  taking care of Peter's patch anyway"

* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
  kvm: add hyper-v crash msrs values
  KVM: x86: remove data variable from kvm_get_msr_common
  KVM: s390: virtio-ccw: don't overwrite config space values
  KVM: x86: keep track of LVT0 changes under APICv
  KVM: x86: properly restore LVT0
  KVM: x86: make vapics_in_nmi_mode atomic
  sched, preempt_notifier: separate notifier registration from static_key inc/dec

9 years agoNTB: Add split BAR output for debugfs stats
Dave Jiang [Thu, 18 Jun 2015 09:17:30 +0000 (05:17 -0400)]
NTB: Add split BAR output for debugfs stats

When split BAR is enabled, the driver needs to dump out the split BAR
registers rather than the original 64bit BAR registers.

Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Signed-off-by: Jon Mason <jdmason@kudzu.us>
9 years agoNTB: Change WARN_ON_ONCE to pr_warn_once on unsafe
Dave Jiang [Mon, 15 Jun 2015 12:22:30 +0000 (08:22 -0400)]
NTB: Change WARN_ON_ONCE to pr_warn_once on unsafe

The unsafe doorbell and scratchpad access should display reason when
WARN is called.  Otherwise we get a stack dump without any explanation.

Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Signed-off-by: Jon Mason <jdmason@kudzu.us>
9 years agoNTB: Print driver name and version in module init
Dave Jiang [Mon, 15 Jun 2015 12:21:33 +0000 (08:21 -0400)]
NTB: Print driver name and version in module init

Printouts driver name and version to indicate what is being loaded.

Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Signed-off-by: Jon Mason <jdmason@kudzu.us>
9 years agoNTB: Increase transport MTU to 64k from 16k
Dave Jiang [Wed, 3 Jun 2015 15:29:38 +0000 (11:29 -0400)]
NTB: Increase transport MTU to 64k from 16k

Benchmarking showed a significant performance increase with the MTU size
to 64k instead of 16k.  Change the driver default to 64k.

Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Signed-off-by: Jon Mason <jdmason@kudzu.us>
9 years agoNTB: Rename Intel code names to platform names
Dave Jiang [Wed, 20 May 2015 16:55:47 +0000 (12:55 -0400)]
NTB: Rename Intel code names to platform names

Instead of using the platform code names, use the correct platform names
to identify the respective Intel NTB hardware.

Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Signed-off-by: Jon Mason <jdmason@kudzu.us>
9 years agoNTB: Default to CPU memcpy for performance
Dave Jiang [Tue, 19 May 2015 20:52:04 +0000 (16:52 -0400)]
NTB: Default to CPU memcpy for performance

Disable DMA usage by default, since the CPU provides much better
performance with write combining.  Provide a module parameter to enable
DMA usage when offloading the memcpy is preferred.

Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Signed-off-by: Allen Hubbe <Allen.Hubbe@emc.com>
Signed-off-by: Jon Mason <jdmason@kudzu.us>
9 years agoNTB: Improve performance with write combining
Dave Jiang [Tue, 19 May 2015 20:45:46 +0000 (16:45 -0400)]
NTB: Improve performance with write combining

Changing the memory window BAR mappings to write combining significantly
boosts the performance.  We will also use memcpy that uses non-temporal
store, which showed performance improvement when doing non-cached
memcpys.

Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Signed-off-by: Jon Mason <jdmason@kudzu.us>
9 years agoNTB: Use NUMA memory in Intel driver
Allen Hubbe [Tue, 19 May 2015 16:04:52 +0000 (12:04 -0400)]
NTB: Use NUMA memory in Intel driver

Allocate memory for the NUMA node of the NTB device.

Signed-off-by: Allen Hubbe <Allen.Hubbe@emc.com>
Signed-off-by: Jon Mason <jdmason@kudzu.us>
9 years agoNTB: Use NUMA memory and DMA chan in transport
Allen Hubbe [Mon, 18 May 2015 10:20:47 +0000 (06:20 -0400)]
NTB: Use NUMA memory and DMA chan in transport

Allocate memory and request the DMA channel for the same NUMA node as
the NTB device.

Signed-off-by: Allen Hubbe <Allen.Hubbe@emc.com>
Signed-off-by: Jon Mason <jdmason@kudzu.us>
9 years agoNTB: Rate limit ntb_qp_link_work
Allen Hubbe [Mon, 11 May 2015 14:08:26 +0000 (10:08 -0400)]
NTB: Rate limit ntb_qp_link_work

When the ntb transport is connecting and waiting for the peer, the debug
console receives lots of debug level messages about the remote qp link
status being down.  Rate limit those messages.

Signed-off-by: Allen Hubbe <Allen.Hubbe@emc.com>
Signed-off-by: Jon Mason <jdmason@kudzu.us>
9 years agoNTB: Add tool test client
Allen Hubbe [Thu, 21 May 2015 06:51:39 +0000 (02:51 -0400)]
NTB: Add tool test client

This is a simple debugging driver that enables the doorbell and
scratch pad registers to be read and written from the debugfs.  This
tool enables more complicated debugging to be scripted from user space.
This driver may be used to test that your ntb hardware and drivers are
functioning at a basic level.

Signed-off-by: Allen Hubbe <Allen.Hubbe@emc.com>
Signed-off-by: Jon Mason <jdmason@kudzu.us>
9 years agoNTB: Add ping pong test client
Allen Hubbe [Wed, 15 Apr 2015 15:12:41 +0000 (11:12 -0400)]
NTB: Add ping pong test client

This is a simple ping pong driver that exercises the scratch pads and
doorbells of the ntb hardware.  This driver may be used to test that
your ntb hardware and drivers are functioning at a basic level.

Signed-off-by: Allen Hubbe <Allen.Hubbe@emc.com>
Signed-off-by: Jon Mason <jdmason@kudzu.us>
9 years agoNTB: Add parameters for Intel SNB B2B addresses
Allen Hubbe [Mon, 11 May 2015 09:45:30 +0000 (05:45 -0400)]
NTB: Add parameters for Intel SNB B2B addresses

Add module parameters for the addresses to be used in B2B topology.

Signed-off-by: Allen Hubbe <Allen.Hubbe@emc.com>
Signed-off-by: Jon Mason <jdmason@kudzu.us>
9 years agoNTB: Reset transport QP link stats on down
Allen Hubbe [Tue, 12 May 2015 12:09:15 +0000 (08:09 -0400)]
NTB: Reset transport QP link stats on down

Reset the link stats when the link goes down.  In particular, the TX and
RX index and count must be reset, or else the TX side will be sending
packets to the RX side where the RX side is not expecting them.  Reset
all the stats, to be consistent.

Signed-off-by: Allen Hubbe <Allen.Hubbe@emc.com>
Signed-off-by: Jon Mason <jdmason@kudzu.us>
9 years agoNTB: Do not advance transport RX on link down
Allen Hubbe [Tue, 12 May 2015 10:24:27 +0000 (06:24 -0400)]
NTB: Do not advance transport RX on link down

On link down, don't advance RX index to the next entry.  The next entry
should never be valid after receiving the link down flag.

Signed-off-by: Allen Hubbe <Allen.Hubbe@emc.com>
Signed-off-by: Jon Mason <jdmason@kudzu.us>
9 years agoNTB: Differentiate transport link down messages
Allen Hubbe [Tue, 12 May 2015 10:55:44 +0000 (06:55 -0400)]
NTB: Differentiate transport link down messages

The same message "qp %d: Link Down\n" was printed at two locations in
ntb_transport.  Change the messages so they are distinct.

Signed-off-by: Allen Hubbe <Allen.Hubbe@emc.com>
Signed-off-by: Jon Mason <jdmason@kudzu.us>
9 years agoNTB: Check the device ID to set errata flags
Dave Jiang [Fri, 8 May 2015 16:24:40 +0000 (12:24 -0400)]
NTB: Check the device ID to set errata flags

Set errata flags for the specific device IDs to which they apply,
instead of the whole Xeon hardware class.

Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Signed-off-by: Jon Mason <jdmason@kudzu.us>
9 years agoNTB: Enable link for Intel root port mode in probe
Dave Jiang [Tue, 19 May 2015 20:59:34 +0000 (16:59 -0400)]
NTB: Enable link for Intel root port mode in probe

Link training should be enabled in the driver probe for root port mode.
We should not have to wait for transport to be loaded for this to
happen.  Otherwise the ntb device will not show up on the transparent
bridge side of the link.

Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Signed-off-by: Jon Mason <jdmason@kudzu.us>
9 years agoNTB: Read peer info from local SPAD in transport
Dave Jiang [Tue, 2 Jun 2015 07:45:07 +0000 (03:45 -0400)]
NTB: Read peer info from local SPAD in transport

The transport was writing and then reading the peer scratch pad,
essentially reading what it just wrote instead of exchanging any
information with the peer.  The transport expects the peer values to be
the same as the local values, so this issue was not obvious.

Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Signed-off-by: Jon Mason <jdmason@kudzu.us>
9 years agoNTB: Split ntb_hw_intel and ntb_transport drivers
Allen Hubbe [Thu, 9 Apr 2015 14:33:20 +0000 (10:33 -0400)]
NTB: Split ntb_hw_intel and ntb_transport drivers

Change ntb_hw_intel to use the new NTB hardware abstraction layer.

Split ntb_transport into its own driver.  Change it to use the new NTB
hardware abstraction layer.

Signed-off-by: Allen Hubbe <Allen.Hubbe@emc.com>
Signed-off-by: Jon Mason <jdmason@kudzu.us>
9 years agoNTB: Add NTB hardware abstraction layer
Allen Hubbe [Thu, 9 Apr 2015 14:33:20 +0000 (10:33 -0400)]
NTB: Add NTB hardware abstraction layer

Abstract the NTB device behind a programming interface, so that it can
support different hardware and client drivers.

Signed-off-by: Allen Hubbe <Allen.Hubbe@emc.com>
Signed-off-by: Jon Mason <jdmason@kudzu.us>
9 years agoMerge branch 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel...
Linus Torvalds [Sat, 4 Jul 2015 16:22:51 +0000 (09:22 -0700)]
Merge branch 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull irq update from Thomas Gleixner:
 "The last update for 4.2 is just moving a macro from a local header to
  the global one, so it can be used in architecture code as well.

  Cleanup of the now empty local header is 4.3 material"

* 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  irqchip: Move IRQCHIP_DECLARE macro to include/linux/irqchip.h

9 years agoMerge branch 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel...
Linus Torvalds [Sat, 4 Jul 2015 15:58:50 +0000 (08:58 -0700)]
Merge branch 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull x86 fixes from Ingo Molnar:
 "Two FPU rewrite related fixes.  This addresses all known x86
  regressions at this stage.  Also some other misc fixes"

* 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/fpu: Fix boot crash in the early FPU code
  x86/asm/entry/64: Update path names
  x86/fpu: Fix FPU related boot regression when CPUID masking BIOS feature is enabled
  x86/boot/setup: Clean up the e820_reserve_setup_data() code
  x86/kaslr: Fix typo in the KASLR_FLAG documentation

9 years agoMerge branch 'sched-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel...
Linus Torvalds [Sat, 4 Jul 2015 15:56:53 +0000 (08:56 -0700)]
Merge branch 'sched-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull scheduler fixes from Ingo Molnar:
 "Debug info and other statistics fixes and related enhancements"

* 'sched-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  sched/numa: Fix numa balancing stats in /proc/pid/sched
  sched/numa: Show numa_group ID in /proc/sched_debug task listings
  sched/debug: Move print_cfs_rq() declaration to kernel/sched/sched.h
  sched/stat: Expose /proc/pid/schedstat if CONFIG_SCHED_INFO=y
  sched/stat: Simplify the sched_info accounting dependency

9 years agoMerge branch 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel...
Linus Torvalds [Sat, 4 Jul 2015 15:17:29 +0000 (08:17 -0700)]
Merge branch 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull perf updates from Ingo Molnar:
 "This tree includes an x86 PMU scheduling fix, but most changes are
  late breaking tooling fixes and updates:

  User visible fixes:

   - Create config.detected into OUTPUT directory, fixing parallel
     builds sharing the same source directory (Aaro Kiskinen)

   - Allow to specify custom linker command, fixing some MIPS64 builds.
     (Aaro Kiskinen)

   - Fix to show proper convergence stats in 'perf bench numa' (Srikar
     Dronamraju)

  User visible changes:

   - Validate syscall list passed via -e argument to 'perf trace'.
     (Arnaldo Carvalho de Melo)

   - Introduce 'perf stat --per-thread' (Jiri Olsa)

   - Check access permission for --kallsyms and --vmlinux (Li Zhang)

   - Move toggling event logic from 'perf top' and into hists browser,
     allowing freeze/unfreeze with event lists with more than one entry
     (Namhyung Kim)

   - Add missing newlines when dumping PERF_RECORD_FINISHED_ROUND and
     showing the Aggregated stats in 'perf report -D' (Adrian Hunter)

  Infrastructure fixes:

   - Add missing break for PERF_RECORD_ITRACE_START, which caused those
     events samples to be parsed as well as PERF_RECORD_LOST_SAMPLES.
     ITRACE_START only appears when Intel PT or BTS are present, so..
     (Jiri Olsa)

   - Call the perf_session destructor when bailing out in the inject,
     kmem, report, kvm and mem tools (Taeung Song)

  Infrastructure changes:

   - Move stuff out of 'perf stat' and into the lib for further use
     (Jiri Olsa)

   - Reference count the cpu_map and thread_map classes (Jiri Olsa)

   - Set evsel->{cpus,threads} from the evlist, if not set, allowing the
     generalization of some 'perf stat' functions that previously were
     accessing private static evlist variable (Jiri Olsa)

   - Delete an unnecessary check before the calling free_event_desc()
     (Markus Elfring)

   - Allow auxtrace data alignment (Adrian Hunter)

   - Allow events with dot (Andi Kleen)

   - Fix failure to 'perf probe' events on arm (He Kuang)

   - Add testing for Makefile.perf (Jiri Olsa)

   - Add test for make install with prefix (Jiri Olsa)

   - Fix single target build dependency check (Jiri Olsa)

   - Access thread_map entries via accessors, prep patch to hold more
     info per entry, for ongoing 'perf stat --per-thread' work (Jiri
     Olsa)

   - Use __weak definition from compiler.h (Sukadev Bhattiprolu)

   - Split perf_pmu__new_alias() (Sukadev Bhattiprolu)"

* 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (54 commits)
  perf tools: Allow to specify custom linker command
  perf tools: Create config.detected into OUTPUT directory
  perf mem: Fill in the missing session freeing after an error occurs
  perf kvm: Fill in the missing session freeing after an error occurs
  perf report: Fill in the missing session freeing after an error occurs
  perf kmem: Fill in the missing session freeing after an error occurs
  perf inject: Fill in the missing session freeing after an error occurs
  perf tools: Add missing break for PERF_RECORD_ITRACE_START
  perf/x86: Fix 'active_events' imbalance
  perf symbols: Check access permission when reading symbol files
  perf stat: Introduce --per-thread option
  perf stat: Introduce print_counters function
  perf stat: Using init_stats instead of memset
  perf stat: Rename print_interval to process_interval
  perf stat: Remove perf_evsel__read_cb function
  perf stat: Move perf_stat initialization counter process code
  perf stat: Move zero_per_pkg into counter process code
  perf stat: Separate counters reading and processing
  perf stat: Introduce read_counters function
  perf stat: Introduce perf_evsel__read function
  ...

9 years agoMerge branch 'core-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel...
Linus Torvalds [Sat, 4 Jul 2015 15:16:41 +0000 (08:16 -0700)]
Merge branch 'core-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull max log buf size increase from Ingo Molnar:
 "Ran into this limit recently, so increase it by an order of magnitude"

* 'core-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  printk: Increase maximum CONFIG_LOG_BUF_SHIFT from 21 to 25

9 years agoMerge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
Linus Torvalds [Sat, 4 Jul 2015 15:14:22 +0000 (08:14 -0700)]
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input

Pull second round of input updates from Dmitry Torokhov:
 "A new driver for Weida wdt87xx touch controllers, and a bunch of
  fixups for other drivers"

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
  Input: wdt87xx_i2c - add a scaling factor for TOUCH_MAJOR event
  Input: wdt87xx_i2c - remove stray newline in diagnostic message
  Input: arc_ps2 - add HAS_IOMEM dependency
  Input: wdt87xx_i2c - fix format warning
  Input: improve parsing OF parameters for touchscreens
  Input: edt-ft5x06 - mark as direct input device
  Input: use for_each_set_bit() where appropriate
  Input: add a driver for wdt87xx touchscreen controller
  Input: axp20x-pek - fix reporting button state as inverted
  Input: xpad - re-send LED command on present event
  Input: xpad - set the LEDs properly on XBox Wireless controllers
  Input: imx_keypad - check for clk_prepare_enable() error