diff options
| author | Ian Abbott <abbotti@mev.co.uk> | 2016-05-20 14:49:18 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2016-06-17 20:59:52 -0700 |
| commit | 3dcf1b5596603076cf127a3efdf3a33a276d8b9e (patch) | |
| tree | 4f5c89f11da5b2aca22b2b41f2f5c05a5fa00675 /drivers/staging/comedi/drivers/gsc_hpdi.c | |
| parent | dde90d89ae5a98a3f1420b6c20c7f58dd95ccfa3 (diff) | |
staging: comedi: drivers: re-do PLX PCI 9080 DMACSRx register values
Replace the existing macros in "plx9080.h" that define values for the
DMACSR0 and DMACSR0 registers. Use the prefix `PLX_DMACSR_` for the
macros. Make use of the `BIT(x)` macro to define the values.
Signed-off-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/staging/comedi/drivers/gsc_hpdi.c')
| -rw-r--r-- | drivers/staging/comedi/drivers/gsc_hpdi.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/staging/comedi/drivers/gsc_hpdi.c b/drivers/staging/comedi/drivers/gsc_hpdi.c index f2f187492c16..af4b4175af4d 100644 --- a/drivers/staging/comedi/drivers/gsc_hpdi.c +++ b/drivers/staging/comedi/drivers/gsc_hpdi.c @@ -214,10 +214,10 @@ static irqreturn_t gsc_hpdi_interrupt(int irq, void *d) dma0_status = readb(devpriv->plx9080_mmio + PLX_REG_DMACSR0); if (plx_status & PLX_INTCSR_DMA0IA) { /* dma chan 0 interrupt */ - writeb((dma0_status & PLX_DMA_EN_BIT) | PLX_CLEAR_DMA_INTR_BIT, + writeb((dma0_status & PLX_DMACSR_ENABLE) | PLX_DMACSR_CLEARINTR, devpriv->plx9080_mmio + PLX_REG_DMACSR0); - if (dma0_status & PLX_DMA_EN_BIT) + if (dma0_status & PLX_DMACSR_ENABLE) gsc_hpdi_drain_dma(dev, 0); } spin_unlock_irqrestore(&dev->spinlock, flags); @@ -227,7 +227,7 @@ static irqreturn_t gsc_hpdi_interrupt(int irq, void *d) dma1_status = readb(devpriv->plx9080_mmio + PLX_REG_DMACSR1); if (plx_status & PLX_INTCSR_DMA1IA) { /* XXX */ /* dma chan 1 interrupt */ - writeb((dma1_status & PLX_DMA_EN_BIT) | PLX_CLEAR_DMA_INTR_BIT, + writeb((dma1_status & PLX_DMACSR_ENABLE) | PLX_DMACSR_CLEARINTR, devpriv->plx9080_mmio + PLX_REG_DMACSR1); } spin_unlock_irqrestore(&dev->spinlock, flags); @@ -316,7 +316,7 @@ static int gsc_hpdi_cmd(struct comedi_device *dev, /* enable dma transfer */ spin_lock_irqsave(&dev->spinlock, flags); - writeb(PLX_DMA_EN_BIT | PLX_DMA_START_BIT | PLX_CLEAR_DMA_INTR_BIT, + writeb(PLX_DMACSR_ENABLE | PLX_DMACSR_START | PLX_DMACSR_CLEARINTR, devpriv->plx9080_mmio + PLX_REG_DMACSR0); spin_unlock_irqrestore(&dev->spinlock, flags); |