Linus Torvalds [Thu, 29 May 2014 21:14:43 +0000 (14:14 -0700)]
Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Pull arm64 fix from Will Deacon:
"Fix CoW regression for transparent hugepages by routing set_pmd_at to
set_pte_at, which correctly handles PTE_WRITE and will mark the
resulting table entry as read-only where appropriate"
* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
arm64: mm: fix pmd_write CoW brokenness
Linus Torvalds [Thu, 29 May 2014 21:05:57 +0000 (14:05 -0700)]
Merge tag 'pm+acpi-3.15-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull ACPI and power management fixes from Rafael Wysocki:
"These are three stable-candidate fixes, one for the ACPI thermal
driver and two for cpufreq drivers.
Specifics:
- A workqueue is destroyed too early during the ACPI thermal driver
module unload which leads to a NULL pointer dereference in the
driver's remove callback. Fix from Aaron Lu.
- A wrong argument is passed to devm_regulator_get_optional() in the
probe routine of the cpu0 cpufreq driver which leads to resource
leaks if the driver is unbound from the cpufreq platform device.
Fix from Lucas Stach.
- A lock is missing in cpufreq_governor_dbs() which leads to memory
corruption and NULL pointer dereferences during system
suspend/resume, for example. Fix from Bibek Basu"
* tag 'pm+acpi-3.15-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
ACPI / thermal: fix workqueue destroy order
cpufreq: cpu0: drop wrong devm usage
cpufreq: remove race while accessing cur_policy
Linus Torvalds [Thu, 29 May 2014 20:59:18 +0000 (13:59 -0700)]
Merge tag 'clk-fixes-for-linus' of git://git.linaro.org/people/mike.turquette/linux
Pull clock fixes from Mike Turquette:
"Small number of user-visible regression fixes for clock drivers.
There is a memory leak fix for an ST platform, an infinite Loop Of
Doom fix for the recent changes to the basic clock divider (hopefully
the last fix for those recent changes) and some Tegra PLL changes
which keep PCI from being hosed on that platform"
* tag 'clk-fixes-for-linus' of git://git.linaro.org/people/mike.turquette/linux:
clk: st: Fix memory leak
clk: divider: Fix table round up function
clk: tegra: Fix enabling of PLLE
clk: tegra: Introduce divider mask and shift helpers
clk: tegra: Fix PLLE programming
Olof Johansson [Thu, 29 May 2014 19:43:43 +0000 (12:43 -0700)]
Merge tag 'omap-for-v3.16/dt-part3' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into next/dt
Merge "omap dt fixes and and clocks for v3.16 merge window" from Tony Lindgren:
Most likely the last pull request from me for omap changes for
v3.16 that's dts fixes for clocks and enabling few features
that were still being discussed earlier:
- A bunch of omap clock related dts fixes queued by Tero Kristo.
- Enable parallel nand on am437x that was not merged earlier as
I requested more information about the muxing for it. And
we need to also enable ecc hardware support for am43xx.
- Enable the modem support for n900 that was dropped earlier
because we had to fix the related hwmod entry first with patch
ARM: OMAP2+: Fix ssi hwmod entry to allow idling.
- And finally, add the omap2 clock dts files. These will allow
us to enable the dt clocks and drop the legacy clocks for omap2
with a follow-up patch once the related clock driver binding
changes are merged.
* tag 'omap-for-v3.16/dt-part3' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
ARM: dts: omap2 clock data
ARM: dts: am437x-gp-evm: add support for parallel NAND flash
ARM: OMAP2+: gpmc: enable BCH_HW ecc-scheme for AM43xx platforms
ARM: dts: omap3 a83x: fix duplicate usb pin config
ARM: dts: omap3: set mcbsp2 status
ARM: dts: omap3-n900: Add modem support
ARM: dts: omap3-n900: Add SSI support
ARM: OMAP2+: Fix ssi hwmod entry to allow idling
ARM: dts: AM4372: clk: efuse based crystal frequency detect
ARM: dts: am43xx-clocks.dtsi: add ti, set-rate-parent to display clock path
ARM: dts: omap5-clocks.dtsi: add ti, set-rate-parent to dss_dss_clk
ARM: dts: omap4: add twd clock to DT
ARM: dts: omap54xx-clocks: Correct abe_iclk clock node
ARM: dts: omap54xx-clocks: remove the autoidle properties for clock nodes
ARM: dts: am43x-clock: add tbclk data for ehrpwm
ARM: dts: am33xx-clock: Fix ehrpwm tbclk data
ARM: dts: set 'ti,set-rate-parent' for dpll4_m5 path
ARM: dts: use ti,fixed-factor-clock for dpll4_m5x2_mul_ck
ARM: dts: am43xx-clocks: use ti, fixed-factor-clock for dpll_per_clkdcoldo
Will Deacon [Tue, 27 May 2014 22:26:35 +0000 (23:26 +0100)]
ARM: kconfig: allow PCI support to be selected with ARCH_MULTIPLATFORM
When targetting ARCH_MULTIPLATFORM, we may include support for SoCs with
PCI-capable devices (e.g. mach-virt with virtio-pci).
This patch allows PCI support to be selected for these SoCs by selecting
CONFIG_MIGHT_HAVE_PCI when CONFIG_ARCH_MULTIPLATFORM=y and removes the
individual selections from multi-platform enabled SoCs.
Acked-by: Rob Herring <robh@kernel.org> Signed-off-by: Will Deacon <will.deacon@arm.com> Signed-off-by: Olof Johansson <olof@lixom.net>
Olof Johansson [Thu, 29 May 2014 19:37:21 +0000 (12:37 -0700)]
Merge tag 'samsung-clk-2' of http://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung into next/soc
Merge "Samsung 2nd clock updates for 3.16" from Kukjin Kim:
- Add missing sysmmu clocks for DISP and ISP blocks for exynos5250
* tag 'samsung-clk-2' of http://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung:
clk: exynos5250: Add missing sysmmu clocks for DISP and ISP blocks
Olof Johansson [Thu, 29 May 2014 18:28:10 +0000 (11:28 -0700)]
Merge branch 'next/drivers' into for-next
* next/drivers: (21 commits)
ARM: EXYNOS: Fix kernel panic when unplugging CPU1 on exynos
ARM: EXYNOS: Move the driver to drivers/cpuidle directory
ARM: EXYNOS: Cleanup all unneeded headers from cpuidle.c
ARM: EXYNOS: Pass the AFTR callback to the platform_data
ARM: EXYNOS: Move S5P_CHECK_SLEEP into pm.c
ARM: EXYNOS: Move the power sequence call in the cpu_pm notifier
ARM: EXYNOS: Move the AFTR state function into pm.c
ARM: EXYNOS: Encapsulate the AFTR code into a function
ARM: EXYNOS: Disable cpuidle for exynos5440
ARM: EXYNOS: Encapsulate boot vector code into a function for cpuidle
ARM: EXYNOS: Pass wakeup mask parameter to function for cpuidle
ARM: EXYNOS: Remove ifdef for scu_enable in pm
ARM: EXYNOS: Move scu_enable in the cpu_pm notifier
ARM: EXYNOS: Use the cpu_pm notifier for pm
ARM: EXYNOS: Fix S5P_WAKEUP_STAT call for cpuidle
ARM: EXYNOS: Move some code inside the idle_finisher for cpuidle
ARM: EXYNOS: Encapsulate register access inside a function for pm
ARM: EXYNOS: Change function name prefix for cpuidle
ARM: EXYNOS: Use cpuidle_register
ARM: EXYNOS: Prevent forward declaration for cpuidle
...
Olof Johansson [Thu, 29 May 2014 18:27:48 +0000 (11:27 -0700)]
Merge branch 'next/soc' into for-next
* next/soc: (41 commits)
clk: exynos5420: Add 5800 specific clocks
dt-bindings: add documentation for Exynos3250 clock controller
ARM: EXYNOS: Add MCPM call-back functions
ARM: dts: add CCI node for exynos5420
ARM: EXYNOS: Add generic cluster power control functions
ARM: EXYNOS: use generic exynos cpu power control functions
ARM: EXYNOS: Add generic cpu power control functions for exynos SoCs
clk: samsung: exynos3250: Add clocks using common clock framework
drivers: clk: use COMMON_CLK_SAMSUNG for Samsung clock support
ARM: S3C24XX: move S3C24XX clock Kconfig options to Samsung clock Kconfig file
ARM: select COMMON_CLK_SAMSUNG for ARCH_EXYNOS and ARCH_S3C64XX
clk: samsung: add new Kconfig for Samsung common clock option
ARM: S3C24XX: Remove omitted Kconfig selects and conditionals
clk: samsung: exynos5420: add more registers to restore list
clk: samsung: exynos5420: add misc clocks
clk: samsung: exynos5420: update clocks for MAU Block
clk: samsung: exynos5420: fix register offset for sclk_bpll
clk: samsung: exynos5420: correct sysmmu-mfc parent clocks
clk: samsung: exynos5420: update clocks for FSYS and FSYS2 blocks
clk: samsung: exynos5420: update clocks for WCORE block
...
Olof Johansson [Thu, 29 May 2014 18:21:13 +0000 (11:21 -0700)]
Merge tag 'exynos-cpuidle' of http://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung into next/drivers
Merge "Samsung exynos-cpuidle updates for v3.16" from Kukjin Kim:
- From Daniel Lezcano:
This patchset relies on the cpm_pm notifier to initiate the
powerdown sequence operations from pm.c instead cpuidle.c.
Thus the cpuidle driver is no longer dependent from arch
specific code as everything is called from the pm.c file.
* tag 'exynos-cpuidle' of http://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung: (94 commits)
ARM: EXYNOS: Fix kernel panic when unplugging CPU1 on exynos
ARM: EXYNOS: Move the driver to drivers/cpuidle directory
ARM: EXYNOS: Cleanup all unneeded headers from cpuidle.c
ARM: EXYNOS: Pass the AFTR callback to the platform_data
ARM: EXYNOS: Move S5P_CHECK_SLEEP into pm.c
ARM: EXYNOS: Move the power sequence call in the cpu_pm notifier
ARM: EXYNOS: Move the AFTR state function into pm.c
ARM: EXYNOS: Encapsulate the AFTR code into a function
ARM: EXYNOS: Disable cpuidle for exynos5440
ARM: EXYNOS: Encapsulate boot vector code into a function for cpuidle
ARM: EXYNOS: Pass wakeup mask parameter to function for cpuidle
ARM: EXYNOS: Remove ifdef for scu_enable in pm
ARM: EXYNOS: Move scu_enable in the cpu_pm notifier
ARM: EXYNOS: Use the cpu_pm notifier for pm
ARM: EXYNOS: Fix S5P_WAKEUP_STAT call for cpuidle
ARM: EXYNOS: Move some code inside the idle_finisher for cpuidle
ARM: EXYNOS: Encapsulate register access inside a function for pm
ARM: EXYNOS: Change function name prefix for cpuidle
ARM: EXYNOS: Use cpuidle_register
ARM: EXYNOS: Prevent forward declaration for cpuidle
...
Olof Johansson [Thu, 29 May 2014 18:16:11 +0000 (11:16 -0700)]
Merge tag 'samsung-clk' of http://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung into next/soc
Merge "Samsung clock updates for 3.16" from Kukjin Kim:
In this time, it is having dependency with arch/arm/ for 3.16,
I pulled them into samsung tree from Tomasz under agreement from Mike.
- Pull for_3.16/exynos5260 from Tomasz Figa:
"This pull request contains patches preparing Samsung Common Clock Framework
helpers to support Exynos5260 by adding support for multiple clock providers
and then adding clock driver for Exynos5260."
- Pull for_3.16/clk_fixes_non_critical from Tomasz Figa:
"This pull requests contains a number of non-critical fixes for Samsung clock
framework and drivers, including:
1) a series of fixes for Exynos5420 to correct clock definitions and make the
driver closer to the documentation,
2) several missing clocks and clock IDs added to Exynos4, Exynos5250 and
Exynos5420 drivers,
3) fix for incorrect initialization of clock table with NULL,
4) compiler warning fix."
- Pull for_3.16/clk_cleanup from Tomasz Figa:
"This pull requests contains minor clean-up related to Samsung clock
support, including:
1) move Kconfig entries of Samsung clock drivers to drivers/clk,
2) compile drivers/clk/samsung conditionally when COMMON_CLK_SAMSUNG is
selected,
3) remove obsolete Kconfig lines after moving s3c24xx to CCF."
- Pull for_3.16/exynos3250 from Tomasz Figa:
"This small pull request contains a patch adding clock driver for Exynos3250,
which depends on previous pull requests in this series."
- add dt bindings for exynos3250 clock
- add exynos5800 specific clocks in current exynos5420 clock
Note that this branch is based on s3c24xx ccf branch
* tag 'samsung-clk' of http://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung: (59 commits)
clk: exynos5420: Add 5800 specific clocks
dt-bindings: add documentation for Exynos3250 clock controller
ARM: S3C24XX: fix merge conflict
clk: samsung: exynos3250: Add clocks using common clock framework
drivers: clk: use COMMON_CLK_SAMSUNG for Samsung clock support
ARM: S3C24XX: move S3C24XX clock Kconfig options to Samsung clock Kconfig file
ARM: select COMMON_CLK_SAMSUNG for ARCH_EXYNOS and ARCH_S3C64XX
clk: samsung: add new Kconfig for Samsung common clock option
ARM: S3C24XX: Remove omitted Kconfig selects and conditionals
clk: samsung: exynos5420: add more registers to restore list
clk: samsung: exynos5420: add misc clocks
clk: samsung: exynos5420: update clocks for MAU Block
clk: samsung: exynos5420: fix register offset for sclk_bpll
clk: samsung: exynos5420: correct sysmmu-mfc parent clocks
clk: samsung: exynos5420: update clocks for FSYS and FSYS2 blocks
clk: samsung: exynos5420: update clocks for WCORE block
clk: samsung: exynos5420: update clocks for PERIS and GEN blocks
clk: samsung: exynos5420: update clocks for PERIC block
clk: samsung: exynos5420: update clocks for DISP1 block
clk: samsung: exynos5420: update clocks for G2D and G3D blocks
...
Olof Johansson [Thu, 29 May 2014 16:48:55 +0000 (09:48 -0700)]
Merge tag 'exynos-mcpm' of http://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung into next/soc
Merge "Exynos MCPM support for v3.16" from Kukjin Kim:
- adding MCPM backend support for SMP secondary boot and core switching
on Samsung's Exynos5420.
Tested on exynos5420-smdk5420 and exynos5420 based chromebook (peach-pit)
using the "/dev/b.L_switcher" user interface. Secondary core boot-up has
also been tested on both the boards.
* tag 'exynos-mcpm' of http://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung:
ARM: EXYNOS: Add MCPM call-back functions
ARM: dts: add CCI node for exynos5420
ARM: EXYNOS: Add generic cluster power control functions
ARM: EXYNOS: use generic exynos cpu power control functions
ARM: EXYNOS: Add generic cpu power control functions for exynos SoCs
Olof Johansson [Thu, 29 May 2014 16:45:23 +0000 (09:45 -0700)]
Merge branch 'next/dt' into for-next
* next/dt: (21 commits)
ARM: dts: enable usb nodes for exynos4412-trats2
ARM: dts: add hsotg device node for exynos4
ARM: dts: add exynos_usbphy node for exynos4
ARM: dts: add PMU syscon node for exynos4
ARM: dts: add pmu syscon handle to exynos5420 hdmi
ARM: dts: add pmu syscon handle to exynos5250 hdmi
ARM: dts: replace number by macro in clock binding for exynos5420
ARM: dts: replace number by macro in clock binding for exynos5250
ARM: dts: replace number by macro in clock binding for exynos4
ARM: dts: add external sd card node for exynos4210-universal_c210
ARM: dts: add multimedia nodes for exynos4210-universal_c210
ARM: dts: enable USB functionality for exynos4210-universal_c210
ARM: dts: Enable USB gadget functionality for exynos4210-trats
ARM: dts: Add audio subsystem nodes to exynos4.dtsi
ARM: dts: fixed gpio key node for exynos4412-trats2
ARM: dts: add cm36651 light/proximity sensor node for exynos4412-trats2
ARM: dts: Add USB 2.0 support on exynos5420
ARM: dts: Add usb2phy support on exynos5420
ARM: dts: Add usb2phy to exynos5250
ARM: dts: Add sysreg sytem controller node to exynos5250 and exynos5420
...
Olof Johansson [Thu, 29 May 2014 16:44:32 +0000 (09:44 -0700)]
Merge tag 'samsung-dt-2' of http://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung into next/dt
Merge "Samsung 2nd DT updates for v3.16" from Kukjin Kim:
exynos4
- add hsotg device, exynos_usbphy nodes
- add PMU syscon and audio subsystem nodes
- replace number by macro in clock binding
exynos4210-universal_c210
- add external sd card node and multimedia nodes
- enable USB functionality
exynos4412-trats2
- enable usb nodes and usb gagdet functionality
- add cm36651 light/proximity sensor node
- fixed gpio key node
exynos5250 and exynos5420
- add pmu syscon handle and sysreg system controller nodes
- add support for usb2phy
- replace number by macro in clock binding
- add USB 2.0 support on exynos5420
exynos5420-peach-pit
- move dp hpd gpio pin to pinctrl_0
* tag 'samsung-dt-2' of http://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung: (21 commits)
ARM: dts: enable usb nodes for exynos4412-trats2
ARM: dts: add hsotg device node for exynos4
ARM: dts: add exynos_usbphy node for exynos4
ARM: dts: add PMU syscon node for exynos4
ARM: dts: add pmu syscon handle to exynos5420 hdmi
ARM: dts: add pmu syscon handle to exynos5250 hdmi
ARM: dts: replace number by macro in clock binding for exynos5420
ARM: dts: replace number by macro in clock binding for exynos5250
ARM: dts: replace number by macro in clock binding for exynos4
ARM: dts: add external sd card node for exynos4210-universal_c210
ARM: dts: add multimedia nodes for exynos4210-universal_c210
ARM: dts: enable USB functionality for exynos4210-universal_c210
ARM: dts: Enable USB gadget functionality for exynos4210-trats
ARM: dts: Add audio subsystem nodes to exynos4.dtsi
ARM: dts: fixed gpio key node for exynos4412-trats2
ARM: dts: add cm36651 light/proximity sensor node for exynos4412-trats2
ARM: dts: Add USB 2.0 support on exynos5420
ARM: dts: Add usb2phy support on exynos5420
ARM: dts: Add usb2phy to exynos5250
ARM: dts: Add sysreg sytem controller node to exynos5250 and exynos5420
...
Olof Johansson [Thu, 29 May 2014 16:43:54 +0000 (09:43 -0700)]
Merge branch 'next/cleanup' into for-next
* next/cleanup:
cpufreq: exynos: Fix the compile error
ARM: S3C24XX: move debug-macro.S into the common space
ARM: S3C24XX: use generic DEBUG_UART_PHY/_VIRT in debug macro
ARM: S3C24XX: trim down debug uart handling
ARM: compressed/head.S: remove s3c24xx special case
ARM: EXYNOS: Remove unnecessary inclusion of cpu.h
ARM: EXYNOS: Migrate Exynos specific macros from plat to mach
ARM: EXYNOS: Remove exynos_subsys registration
ARM: EXYNOS: Remove duplicate lines in Makefile
ARM: EXYNOS: use v7_exit_coherency_flush macro for cache disabling
Olof Johansson [Thu, 29 May 2014 16:40:51 +0000 (09:40 -0700)]
Merge tag 'samsung-cleanup' of http://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung into next/cleanup
Merge "Samsung cleanup for v3.16" from Kukjin Kim:
- use a common macro v7_exit_coherency_flush macro instead of local function
- cleanup mach-exynos/Makefile and remove inclusion plat/cpu.h in mach-exynos
- migrate exynos macros from plat-samsung to mach-exynos
- cleanup s3c24xx debug macro/earlyprintk to remove arch dependency
- fixed compilation error for cpufreq due to moving header in this branch
: use of_machine_is_compatible() instead of soc_is_exynos...()
Note that based on tags/samsung-clk and tags/samsung-fixes.
* tag 'samsung-cleanup' of http://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung:
cpufreq: exynos: Fix the compile error
ARM: S3C24XX: move debug-macro.S into the common space
ARM: S3C24XX: use generic DEBUG_UART_PHY/_VIRT in debug macro
ARM: S3C24XX: trim down debug uart handling
ARM: compressed/head.S: remove s3c24xx special case
ARM: EXYNOS: Remove unnecessary inclusion of cpu.h
ARM: EXYNOS: Migrate Exynos specific macros from plat to mach
ARM: EXYNOS: Remove exynos_subsys registration
ARM: EXYNOS: Remove duplicate lines in Makefile
ARM: EXYNOS: use v7_exit_coherency_flush macro for cache disabling
ARM: dts: Remove g2d_pd node for exynos5420
ARM: dts: Remove mau_pd node for exynos5420
ARM: exynos_defconfig: enable HS-I2C to fix for mmc partition mount
ARM: dts: disable MDMA1 node for exynos5420
ARM: EXYNOS: fix the secondary CPU boot of exynos4212
Will Deacon [Tue, 27 May 2014 18:11:58 +0000 (19:11 +0100)]
arm64: mm: fix pmd_write CoW brokenness
Commit 9c7e535fcc17 ("arm64: mm: Route pmd thp functions through pte
equivalents") changed the pmd manipulator and accessor functions to
convert the target pmd to a pte, process it with the pte functions, then
convert it back. Along the way, we gained support for PTE_WRITE, however
this is completely ignored by set_pmd_at, and so we fail to set the
PMD_SECT_RDONLY for PMDs, resulting in all sorts of lovely failures (like
CoW not working).
Partially reverting the offending commit (by making use of
PMD_SECT_RDONLY explicitly for pmd_{write,wrprotect,mkwrite} functions)
leads to further issues because pmd_write can then return potentially
incorrect values for page table entries marked as RDONLY, leading to
BUG_ON(pmd_write(entry)) tripping under some THP workloads.
This patch fixes the issue by routing set_pmd_at through set_pte_at,
which correctly takes the PTE_WRITE flag into account. Given that
THP mappings are always anonymous, the additional cache-flushing code
in __sync_icache_dcache won't impose any significant overhead as the
flush will be skipped.
Cc: Catalin Marinas <catalin.marinas@arm.com> Acked-by: Steve Capper <steve.capper@arm.com> Tested-by: Marc Zyngier <marc.zyngier@arm.com> Signed-off-by: Will Deacon <will.deacon@arm.com>
Guan Xuetao [Mon, 26 May 2014 23:53:10 +0000 (07:53 +0800)]
UniCore32: Change git tree location information in MAINTAINERS
UniCore32 git repo has moved to github.
Branch 'unicore32' is used for prepared patches, and automatically merged to linux-next.
Branch 'unicore32-working' is used for development.
Chen Gang [Tue, 27 May 2014 00:08:06 +0000 (08:08 +0800)]
arch: unicore32: ksyms: export '__cpuc_coherent_kern_range' to avoid compiling failure
flush_icache_range() is '__cpuc_coherent_kern_range' under unicore32,
and lkdtm.ko needs it. At present, '__cpuc_coherent_kern_range' is
still used by unicore32, so export it to avoid compiling failure.
The related error (with allmodconfig under unicore32):
Chen Gang [Wed, 21 May 2014 23:08:23 +0000 (07:08 +0800)]
arch/unicore32/kernel/setup.c: add generic 'screen_info' to avoid compiling failure
Add generic 'screen_info' just like another architectures have done
(e.g. tile, sh, score, ia64, hexagon, and cris).
The related error (with allmodconfig under unicore32):
LD init/built-in.o
drivers/built-in.o: In function `vgacon_save_screen':
powercap_sys.c:(.text+0x21788): undefined reference to `screen_info'
drivers/built-in.o: In function `vgacon_resize':
powercap_sys.c:(.text+0x21b54): undefined reference to `screen_info'
drivers/built-in.o: In function `vgacon_switch':
powercap_sys.c:(.text+0x21cb4): undefined reference to `screen_info'
drivers/built-in.o: In function `vgacon_init':
powercap_sys.c:(.text+0x2296c): undefined reference to `screen_info'
drivers/built-in.o: In function `vgacon_startup':
powercap_sys.c:(.text+0x22e80): undefined reference to `screen_info'
Chen Gang [Fri, 9 May 2014 01:19:39 +0000 (09:19 +0800)]
drivers: scsi: mvsas: fix compiling issue by adding 'MVS_' for "enum pci_interrupt_cause"
The direct cause is IRQ_SPI is already defined as a macro in unicore32
architecture (also, blackfin and mips architectures define it). The
related error (unicore32 with allmodconfig)
CC [M] drivers/scsi/mvsas/mv_94xx.o
In file included from drivers/scsi/mvsas/mv_94xx.c:27:
drivers/scsi/mvsas/mv_94xx.h:176: error: expected identifier before numeric constant
And IRQ_SAS_A and IRQ_SAS_B are used as 'u32' (although "enum
pci_interrupt_cause" is not used directly, now).
All together, need add 'MVS_' for "enum pci_interrupt_cause".
Signed-off-by: Chen Gang <gang.chen.5i5j@gmail.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Xuetao Guan <gxt@mprc.pku.edu.cn> Signed-off-by: Xuetao Guan <gxt@mprc.pku.edu.cn>
Chen Gang [Wed, 21 May 2014 00:57:53 +0000 (08:57 +0800)]
arch/unicore32/kernel/ksyms.c: remove 2 export symbols to avoid compiling failure
'csum_partial' and 'csum_partial_copy_from_user' have already been
exported in "lib/", so need not export them again, or it will cause
compiling error.
The related error (with allmodconfig under unicore32):
LD vmlinux.o
lib/built-in.o:(___ksymtab+csum_partial+0x0): multiple definition of `__ksymtab_csum_partial'
arch/unicore32/kernel/built-in.o:(___ksymtab+csum_partial+0x0): first defined here
lib/built-in.o:(___ksymtab+csum_partial_copy_from_user+0x0): multiple definition of `__ksymtab_csum_partial_copy_from_user'
arch/unicore32/kernel/built-in.o:(___ksymtab+csum_partial_copy_from_user+0x0): first defined here
make: *** [vmlinux] Error 1
Zhichuang SUN [Wed, 21 May 2014 06:13:30 +0000 (14:13 +0800)]
drivers/video/fbdev/fb-puv3.c: Add header files for function unifb_mmap
Function unifb_mmap calls functions which are defined in linux/mm.h
and asm/pgtable.h
The related error (for unicore32 with unicore32_defconfig):
CC drivers/video/fbdev/fb-puv3.o
drivers/video/fbdev/fb-puv3.c: In function 'unifb_mmap':
drivers/video/fbdev/fb-puv3.c:646: error: implicit declaration of
function 'vm_iomap_memory'
drivers/video/fbdev/fb-puv3.c:646: error: implicit declaration of
function 'pgprot_noncached'
Signed-off-by: Zhichuang Sun <sunzc522@gmail.com> Cc: Jean-Christophe Plagniol-Villard <plagnioj@jcrosoft.com> Cc: Tomi Valkeinen <tomi.valkeinen@ti.com> Cc: Jingoo Han <jg1.han@samsung.com> Cc: Daniel Vetter <daniel.vetter@ffwll.ch> Cc: Joe Perches <joe@perches.com> Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Cc: linux-fbdev@vger.kernel.org Acked-by: Xuetao Guan <gxt@mprc.pku.edu.cn> Signed-off-by: Xuetao Guan <gxt@mprc.pku.edu.cn>
Chen Gang [Sat, 3 May 2014 05:09:02 +0000 (13:09 +0800)]
drivers/rtc/rtc-puv3.c: remove "&dev->" for typo issue MIME-Version: 1.0
It is only a typo issue, the related commit:
"1fbc4c4 drivers/rtc/rtc-puv3.c: use dev_dbg() instead of pr_debug()"
The related error (for unicore32 with allmodconfig):
CC [M] drivers/rtc/rtc-puv3.o
drivers/rtc/rtc-puv3.c: In function 'puv3_rtc_setalarm':
drivers/rtc/rtc-puv3.c:143: error: 'struct device' has no member named 'dev'
Chen Gang [Sat, 3 May 2014 05:07:57 +0000 (13:07 +0800)]
drivers/rtc/rtc-puv3.c: use dev_dbg() instead of dev_debug() for typo issue
It is only a typo issue, the related commit:
"1fbc4c4 drivers/rtc/rtc-puv3.c: use dev_dbg() instead of pr_debug()"
The related error (unicore32 with allmodconfig):
CC [M] drivers/rtc/rtc-puv3.o
drivers/rtc/rtc-puv3.c: In function 'puv3_rtc_setpie':
drivers/rtc/rtc-puv3.c:74: error: implicit declaration of function 'dev_debug'
Need generic definition for readl_relaxed(), like other architectures
have done. Or can not pass compiling with allmodconfig, the related
error:
CC [M] drivers/message/fusion/mptbase.o
drivers/message/fusion/mptbase.c: In function 'mpt_send_handshake_request':
drivers/message/fusion/mptbase.c:1224: error: implicit declaration of function 'readl_relaxed'
Chen Gang [Mon, 24 Mar 2014 12:54:11 +0000 (20:54 +0800)]
arch/unicore32/include/asm/ptrace.h: add generic definition for profile_pc()
Add generic definition just like another architectures have done, or
can not pass compiling with allmodconfig, the related error:
CC kernel/profile.o
kernel/profile.c: In function 'profile_tick':
kernel/profile.c:419: error: implicit declaration of function 'profile_pc'
make[1]: *** [kernel/profile.o] Error 1
make: *** [kernel] Error 2
Chen Gang [Mon, 24 Mar 2014 12:17:44 +0000 (20:17 +0800)]
arch/unicore32/mm/alignment.c: include "asm/pgtable.h" to avoid compiling error
Need include "asm/pgtable.h" to include "asm-generic/pgtable-nopmd.h",
so can let 'pmd_t' defined. The related error with allmodconfig:
CC arch/unicore32/mm/alignment.o
In file included from arch/unicore32/mm/alignment.c:24:
arch/unicore32/include/asm/tlbflush.h:135: error: expected .). before .*. token
arch/unicore32/include/asm/tlbflush.h:154: error: expected .). before .*. token
In file included from arch/unicore32/mm/alignment.c:27:
arch/unicore32/mm/mm.h:15: error: expected .=., .,., .;., .sm. or ._attribute__. before .*. token
arch/unicore32/mm/mm.h:20: error: expected .=., .,., .;., .sm. or ._attribute__. before .*. token
arch/unicore32/mm/mm.h:25: error: expected .=., .,., .;., .sm. or ._attribute__. before .*. token
make[1]: *** [arch/unicore32/mm/alignment.o] Error 1
make: *** [arch/unicore32/mm] Error 2
Chen Gang [Fri, 14 Mar 2014 01:19:39 +0000 (09:19 +0800)]
arch/unicore32/kernel/clock.c: add readl() and writel() for 'PM_' macros
Add readl() and writel() for 'PM_' macros, just like another areas have
done within unicored32, or will cause compiling issue.
The related error (allmodconfig for unicored32):
CC arch/unicore32/kernel/clock.o
arch/unicore32/kernel/clock.c: In function 'clk_set_rate':
arch/unicore32/kernel/clock.c:182: warning: initialization makes integer from pointer without a cast
arch/unicore32/kernel/clock.c:204: error: lvalue required as left operand of assignment
arch/unicore32/kernel/clock.c:206: error: lvalue required as left operand of assignment
arch/unicore32/kernel/clock.c:207: error: invalid operands to binary & (have 'void *' and 'long unsigned int')
make[1]: *** [arch/unicore32/kernel/clock.o] Error 1
make: *** [arch/unicore32/kernel] Error 2
Chen Gang [Fri, 14 Mar 2014 00:49:27 +0000 (08:49 +0800)]
arch/unicore32/kernel/module.c: use __vmalloc_node_range() instead of __vmalloc_area()
__vmalloc_area() has already been removed from upstream kernel, need
use __vmalloc_node_range() instead of.
The related commit: "d0a2126 mm: unify module_alloc code for vmalloc".
The related error (allmodconfig for unicore32):
CC arch/unicore32/kernel/module.o
arch/unicore32/kernel/module.c: In function 'module_alloc' :
arch/unicore32/kernel/module.c:34: error: implicit declaration of function '__vmalloc_area'
arch/unicore32/kernel/module.c:34: warning: return makes pointer from integer without a cast
make[1]: *** [arch/unicore32/kernel/module.o] Error 1
make: *** [arch/unicore32/kernel] Error 2
Others are only within some architectures (not kernel wide).
The related error with allmodconfig for unicode32:
CC arch/unicore32/kernel/ksyms.o
arch/unicore32/kernel/ksyms.c:29: error: ._backtrace. undeclared here (not in a function)
arch/unicore32/kernel/ksyms.c:29: error: type defaults to .nt. in declaration of ._backtrace.
arch/unicore32/kernel/ksyms.c:38: error: .sum_partial_copy_nocheck. undeclared here (not in a function)
arch/unicore32/kernel/ksyms.c:38: error: type defaults to .nt. in declaration of .sum_partial_copy_nocheck.
arch/unicore32/kernel/ksyms.c:39: error: ._csum_ipv6_magic. undeclared here (not in a function)
arch/unicore32/kernel/ksyms.c:39: error: type defaults to .nt. in declaration of ._csum_ipv6_magic.
arch/unicore32/kernel/ksyms.c:43: error: ._raw_readsb. undeclared here (not in a function)
arch/unicore32/kernel/ksyms.c:43: error: type defaults to .nt. in declaration of ._raw_readsb.
arch/unicore32/kernel/ksyms.c:46: error: ._raw_readsw. undeclared here (not in a function)
arch/unicore32/kernel/ksyms.c:46: error: type defaults to .nt. in declaration of ._raw_readsw.
arch/unicore32/kernel/ksyms.c:49: error: ._raw_readsl. undeclared here (not in a function)
arch/unicore32/kernel/ksyms.c:49: error: type defaults to .nt. in declaration of ._raw_readsl.
arch/unicore32/kernel/ksyms.c:52: error: ._raw_writesb. undeclared here (not in a function)
arch/unicore32/kernel/ksyms.c:52: error: type defaults to .nt. in declaration of ._raw_writesb.
arch/unicore32/kernel/ksyms.c:55: error: ._raw_writesw. undeclared here (not in a function)
arch/unicore32/kernel/ksyms.c:55: error: type defaults to .nt. in declaration of ._raw_writesw.
arch/unicore32/kernel/ksyms.c:58: error: ._raw_writesl. undeclared here (not in a function)
arch/unicore32/kernel/ksyms.c:58: error: type defaults to .nt. in declaration of ._raw_writesl.
arch/unicore32/kernel/ksyms.c:79: error: ._get_user_1. undeclared here (not in a function)
arch/unicore32/kernel/ksyms.c:79: error: type defaults to .nt. in declaration of ._get_user_1.
arch/unicore32/kernel/ksyms.c:80: error: ._get_user_2. undeclared here (not in a function)
arch/unicore32/kernel/ksyms.c:80: error: type defaults to .nt. in declaration of ._get_user_2.
arch/unicore32/kernel/ksyms.c:81: error: ._get_user_4. undeclared here (not in a function)
arch/unicore32/kernel/ksyms.c:81: error: type defaults to .nt. in declaration of ._get_user_4.
arch/unicore32/kernel/ksyms.c:83: error: ._put_user_1. undeclared here (not in a function)
arch/unicore32/kernel/ksyms.c:83: error: type defaults to .nt. in declaration of ._put_user_1.
arch/unicore32/kernel/ksyms.c:84: error: ._put_user_2. undeclared here (not in a function)
arch/unicore32/kernel/ksyms.c:84: error: type defaults to .nt. in declaration of ._put_user_2.
arch/unicore32/kernel/ksyms.c:85: error: ._put_user_4. undeclared here (not in a function)
arch/unicore32/kernel/ksyms.c:85: error: type defaults to .nt. in declaration of ._put_user_4.
arch/unicore32/kernel/ksyms.c:86: error: ._put_user_8. undeclared here (not in a function)
arch/unicore32/kernel/ksyms.c:86: error: type defaults to .nt. in declaration of ._put_user_8.
Mathias Nyman [Wed, 28 May 2014 20:51:13 +0000 (23:51 +0300)]
xhci: delete endpoints from bandwidth list before freeing whole device
Lists of endpoints are stored for bandwidth calculation for roothub ports.
Make sure we remove all endpoints from the list before the whole device,
containing its endpoints list_head stuctures, is freed.
This used to be done in the wrong order in xhci_mem_cleanup(),
and triggered an oops in resume from S4 (hibernate).
Sean MacLennan [Wed, 28 May 2014 15:19:00 +0000 (11:19 -0400)]
staging: r8192e_pci: fix htons error
A sparse error fixup removed a htons() which is required for the driver
to function. This patch puts the htons() back and fixes the sparse
warning correctly by changing the left side cast.
Mathias Nyman [Wed, 28 May 2014 20:18:35 +0000 (23:18 +0300)]
usb: pci-quirks: Prevent Sony VAIO t-series from switching usb ports
Sony VAIO t-series machines are not capable of switching usb2 ports over
from Intel EHCI to xHCI controller. If tried the USB2 port will be left
unconnected and unusable.
This patch should be backported to stable kernels as old as 3.12,
that contain the commit 26b76798e0507429506b93cd49f8c4cfdab06896
"Intel xhci: refactor EHCI/xHCI port switching"
Linus Torvalds [Wed, 28 May 2014 18:17:41 +0000 (11:17 -0700)]
Merge tag 'sound-3.15-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound fixes from Takashi Iwai:
"Just two small stable fixes: an HD-audio fix for the new Intel
chipsets and a PM handling fix in PCM dmaengine core"
* tag 'sound-3.15-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
ALSA: hda - Fix onboard audio on Intel H97/Z97 chipsets
ALSA: pcm_dmaengine: Add check during device suspend
Linus Torvalds [Wed, 28 May 2014 18:15:57 +0000 (11:15 -0700)]
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Pull vfs fix from Al Viro:
"Oh, well... Still nothing useful on that livelock (I had something
that looked kinda-sorta like a non-invasive solution, but it
deadlocks), so it's just Miklos' vmsplice fix for now"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
vfs: fix vmplice_to_user()
Paul Burton [Tue, 15 Apr 2014 11:24:23 +0000 (12:24 +0100)]
MIPS: Malta: CPS SMP by default
The CONFIG_MIPS_CPS SMP implementation should be able to handle all
cases the CONFIG_MIPS_CMP implementation does, but without requiring
bootloader assistance. It is also required in order to make use of
features such as hotplug & cpuidle core power gating. Enable it by
default for Malta configs that previously enabled the now deprecated
CONFIG_MIPS_CMP, and disable the latter. The local version suffix "cmp"
is removed rather than replaced with "cps" since there are other ways to
tell that the CPS SMP implementation is in use (the "VPE topology" line
in the boot log being one).
Signed-off-by: Paul Burton <paul.burton@imgtec.com>
Paul Burton [Mon, 14 Apr 2014 15:25:29 +0000 (16:25 +0100)]
cpuidle: cpuidle-cps: add MIPS CPS cpuidle driver
This patch adds a cpuidle driver for systems based around the MIPS
Coherent Processing System (CPS) architecture. It supports four idle
states:
- The standard MIPS wait instruction.
- The non-coherent wait, clock gated & power gated states exposed by
the recently added pm-cps layer.
The pm-cps layer is used to enter all the deep idle states. Since cores
in the clock or power gated states cannot service interrupts, the
gic_send_ipi_single function is modified to send a power up command for
the appropriate core to the CPC in cases where the target CPU has marked
itself potentially incoherent.
Signed-off-by: Paul Burton <paul.burton@imgtec.com>
Paul Burton [Wed, 8 Jan 2014 11:23:35 +0000 (11:23 +0000)]
cpuidle: declare cpuidle_dev in cpuidle.h
Declaring this allows drivers which need to initialise each struct
cpuidle_device at initialisation time to make use of the structures
already defined in cpuidle.c, rather than having to wastefully define
their own.
Signed-off-by: Paul Burton <paul.burton@imgtec.com>
Paul Burton [Mon, 14 Apr 2014 15:16:41 +0000 (16:16 +0100)]
MIPS: cpuidle wait instruction state
Defines a macro intended to allow trivial use of the regular MIPS wait
instruction from cpuidle drivers, which may simply invoke the macro
within their array of states.
Signed-off-by: Paul Burton <paul.burton@imgtec.com>
Paul Burton [Wed, 16 Apr 2014 10:10:57 +0000 (11:10 +0100)]
MIPS: smp-cps: duplicate core0 CCA on secondary cores
Rather than hardcoding CCA=0x5 for secondary cores, re-use the CCA from
the boot CPU. This allows overrides of the CCA using the cca= kernel
parameter to take effect on all CPUs for consistency.
Signed-off-by: Paul Burton <paul.burton@imgtec.com>
Paul Burton [Mon, 14 Apr 2014 14:58:45 +0000 (15:58 +0100)]
MIPS: smp-cps: set a coherent default CCA
This patch sets a default CCA suited for use with multi-core SMP on all
current MIPS CPS based systems. It may still be overriden by the cca=
argument on the kernel command line.
Signed-off-by: Paul Burton <paul.burton@imgtec.com>
Paul Burton [Mon, 14 Apr 2014 14:21:25 +0000 (15:21 +0100)]
MIPS: smp-cps: prevent multi-core SMP with unsuitable CCA
If the user or bootloader sets the CCA to a value which is not suited
for multi-core SMP (ie. anything non-coherent) then limit the system to
using only a single core and warn the user.
Signed-off-by: Paul Burton <paul.burton@imgtec.com>
Paul Burton [Mon, 14 Apr 2014 13:13:57 +0000 (14:13 +0100)]
MIPS: smp-cps: hotplug support
This patch adds support for offlining CPUs via hotplug when using the
CONFIG_MIPS_CPS SMP implementation. When a CPU is offlined one of 2
things will happen:
- If the CPU is part of a core which implements the MT ASE and there
is at least one other VPE online within that core then the VPE will
be halted by settings its TCHalt bit.
- Otherwise if supported the core will be powered down via the CPC.
- Otherwise the CPU will hang by executing an infinite loop.
Bringing CPUs back online is then a process of either clearing the
appropriate VPEs TCHalt bit or powering up the appropriate core via the
CPC. Throughout the process the struct core_boot_config vpe_mask field
must be maintained such that mips_cps_boot_vpes will start & stop the
correct VPEs.
Signed-off-by: Paul Burton <paul.burton@imgtec.com>
Paul Burton [Mon, 14 Apr 2014 10:00:56 +0000 (11:00 +0100)]
MIPS: pm-cps: add PM state entry code for CPS systems
This patch adds code to generate entry & exit code for various low power
states available on systems based around the MIPS Coherent Processing
System architecture (ie. those with a Coherence Manager, Global
Interrupt Controller & for >=CM2 a Cluster Power Controller). States
supported are:
- Non-coherent wait. This state first leaves the coherent domain and
then executes a regular MIPS wait instruction. Power savings are
found from the elimination of coherency interventions between the
core and any other coherent requestors in the system.
- Clock gated. This state leaves the coherent domain and then gates
the clock input to the core. This removes all dynamic power from the
core but leaves the core at the mercy of another to restart its
clock. Register state is preserved, but the core can not service
interrupts whilst its clock is gated.
- Power gated. This deepest state removes all power input to the core.
All register state is lost and the core will restart execution from
its BEV when another core powers it back up. Because register state
is lost this state requires cooperation with the CONFIG_MIPS_CPS SMP
implementation in order for the core to exit the state successfully.
The code will detect which states are available on the current system
during boot & generate the entry/exit code for those states. This will
be used by cpuidle & hotplug implementations.
Signed-off-by: Paul Burton <paul.burton@imgtec.com>
Paul Burton [Fri, 7 Mar 2014 10:42:52 +0000 (10:42 +0000)]
MIPS: smp-cps: use CPC core-other locking
The core which the CPC core-other region relates to is based upon the
core-local core-other addressing register. As its name suggests this
register is shared between all VPEs within a core, and if there is a
possibility that multiple VPEs within a core will attempt to access
another core simultaneously then locking is required. This wasn't
previously a problem with the only user being cpu0 during boot, but will
be an issue once hotplug is implemented & may race with other users such
as cpuidle.
Signed-off-by: Paul Burton <paul.burton@imgtec.com>
Paul Burton [Mon, 14 Apr 2014 11:21:49 +0000 (12:21 +0100)]
MIPS: smp-cps: flush cache after patching mips_cps_core_entry
The start of mips_cps_core_entry is patched in order to provide the code
with the address of the CM register region at a point where it will be
running non-coherent with the rest of the system. However the cache
wasn't being flushed after that patching which could in principle lead
to secondary cores using an invalid CM base address.
The patching is moved to cps_prepare_cpus since local_flush_icache_range
has not been initialised at the point cps_smp_setup is called.
Signed-off-by: Paul Burton <paul.burton@imgtec.com>
Paul Burton [Fri, 14 Mar 2014 16:06:16 +0000 (16:06 +0000)]
MIPS: smp-cps: function to determine whether CPS SMP is in use
The core power down state for cpuidle will require that the CPS SMP
implementation is in use. This patch provides a mips_cps_smp_in_use
function which determines whether or not the CPS SMP implementation is
currently in use.
Signed-off-by: Paul Burton <paul.burton@imgtec.com>
Paul Burton [Mon, 14 Apr 2014 11:04:27 +0000 (12:04 +0100)]
MIPS: smp-cps: rework core/VPE initialisation
When hotplug and/or a powered down idle state are supported cases will
arise where a non-zero VPE must be brought online without VPE 0, and it
where multiple VPEs must be onlined simultaneously. This patch prepares
for that by:
- Splitting struct boot_config into core & VPE boot config structures,
allocated one per core or VPE respectively. This allows for multiple
VPEs to be onlined simultaneously without clobbering each others
configuration.
- Indicating which VPEs should be online within a core at any given
time using a bitmap. This allows multiple VPEs to be brought online
simultaneously and also indicates to VPE 0 whether it should halt
after starting any non-zero VPEs that should be online within the
core. For example if all VPEs within a core are offlined via hotplug
and the user onlines the second VPE within that core:
1) The core will be powered up.
2) VPE 0 will run from the BEV (ie. mips_cps_core_entry) to
initialise the core.
3) VPE 0 will start VPE 1 because its bit is set in the cores
bitmap.
4) VPE 0 will halt itself because its bit is clear in the cores
bitmap.
- Moving the core & VPE initialisation to assembly code which does not
make any use of the stack. This is because if a non-zero VPE is to
be brought online in a powered down core then when VPE 0 of that
core runs it may not have a valid stack, and even if it did then
it's messy to run through parts of generic kernel code on VPE 0
before starting the correct VPE.
Signed-off-by: Paul Burton <paul.burton@imgtec.com>
projects / karo-tx-linux.git / log