From 2d8ea89191c3820bd3c08e75fff2f4d9fbd20f21 Mon Sep 17 00:00:00 2001 From: H Hartley Sweeten Date: Mon, 5 Oct 2015 15:44:03 -0700 Subject: [PATCH] staging: comedi: pcl816: prefer using the BIT macro Fix the checkpatch.pl issues. Signed-off-by: H Hartley Sweeten Reviewed-by: Ian Abbott Signed-off-by: Greg Kroah-Hartman --- drivers/staging/comedi/drivers/pcl816.c | 38 +++++++++++-------------- 1 file changed, 17 insertions(+), 21 deletions(-) diff --git a/drivers/staging/comedi/drivers/pcl816.c b/drivers/staging/comedi/drivers/pcl816.c index 0f9b54b3fb00..aa775b6aa825 100644 --- a/drivers/staging/comedi/drivers/pcl816.c +++ b/drivers/staging/comedi/drivers/pcl816.c @@ -53,25 +53,20 @@ #define PCL816_MUX_REG 0x0b #define PCL816_MUX_SCAN(_first, _last) (((_last) << 4) | (_first)) #define PCL816_CTRL_REG 0x0c -#define PCL816_CTRL_DISABLE_TRIG (0 << 0) -#define PCL816_CTRL_SOFT_TRIG (1 << 0) -#define PCL816_CTRL_PACER_TRIG (1 << 1) -#define PCL816_CTRL_EXT_TRIG (1 << 2) -#define PCL816_CTRL_POE (1 << 3) -#define PCL816_CTRL_DMAEN (1 << 4) -#define PCL816_CTRL_INTEN (1 << 5) -#define PCL816_CTRL_DMASRC_SLOT0 (0 << 6) -#define PCL816_CTRL_DMASRC_SLOT1 (1 << 6) -#define PCL816_CTRL_DMASRC_SLOT2 (2 << 6) +#define PCL816_CTRL_SOFT_TRIG BIT(0) +#define PCL816_CTRL_PACER_TRIG BIT(1) +#define PCL816_CTRL_EXT_TRIG BIT(2) +#define PCL816_CTRL_POE BIT(3) +#define PCL816_CTRL_DMAEN BIT(4) +#define PCL816_CTRL_INTEN BIT(5) +#define PCL816_CTRL_DMASRC_SLOT(x) (((x) & 0x3) << 6) #define PCL816_STATUS_REG 0x0d #define PCL816_STATUS_NEXT_CHAN_MASK (0xf << 0) -#define PCL816_STATUS_INTSRC_MASK (3 << 4) -#define PCL816_STATUS_INTSRC_SLOT0 (0 << 4) -#define PCL816_STATUS_INTSRC_SLOT1 (1 << 4) -#define PCL816_STATUS_INTSRC_SLOT2 (2 << 4) -#define PCL816_STATUS_INTSRC_DMA (3 << 4) -#define PCL816_STATUS_INTACT (1 << 6) -#define PCL816_STATUS_DRDY (1 << 7) +#define PCL816_STATUS_INTSRC_SLOT(x) (((x) & 0x3) << 4) +#define PCL816_STATUS_INTSRC_DMA PCL816_STATUS_INTSRC_SLOT(3) +#define PCL816_STATUS_INTSRC_MASK PCL816_STATUS_INTSRC_SLOT(3) +#define PCL816_STATUS_INTACT BIT(6) +#define PCL816_STATUS_DRDY BIT(7) #define MAGIC_DMA_WORD 0x5a5a @@ -440,7 +435,8 @@ static int pcl816_ai_cmd(struct comedi_device *dev, struct comedi_subdevice *s) comedi_8254_update_divisors(dev->pacer); comedi_8254_pacer_enable(dev->pacer, 1, 2, true); - ctrl = PCL816_CTRL_INTEN | PCL816_CTRL_DMAEN | PCL816_CTRL_DMASRC_SLOT0; + ctrl = PCL816_CTRL_INTEN | PCL816_CTRL_DMAEN | + PCL816_CTRL_DMASRC_SLOT(0); if (cmd->convert_src == TRIG_TIMER) ctrl |= PCL816_CTRL_PACER_TRIG; else /* TRIG_EXT */ @@ -494,7 +490,7 @@ static int pcl816_ai_cancel(struct comedi_device *dev, if (!devpriv->ai_cmd_running) return 0; - outb(PCL816_CTRL_DISABLE_TRIG, dev->iobase + PCL816_CTRL_REG); + outb(0, dev->iobase + PCL816_CTRL_REG); pcl816_ai_clear_eoc(dev); comedi_8254_pacer_enable(dev->pacer, 1, 2, false); @@ -530,7 +526,7 @@ static int pcl816_ai_insn_read(struct comedi_device *dev, data[i] = pcl816_ai_get_sample(dev, s); } - outb(PCL816_CTRL_DISABLE_TRIG, dev->iobase + PCL816_CTRL_REG); + outb(0, dev->iobase + PCL816_CTRL_REG); pcl816_ai_clear_eoc(dev); return ret ? ret : insn->n; @@ -564,7 +560,7 @@ static int pcl816_do_insn_bits(struct comedi_device *dev, static void pcl816_reset(struct comedi_device *dev) { - outb(PCL816_CTRL_DISABLE_TRIG, dev->iobase + PCL816_CTRL_REG); + outb(0, dev->iobase + PCL816_CTRL_REG); pcl816_ai_set_chan_range(dev, 0, 0); pcl816_ai_clear_eoc(dev); -- 2.39.5