diff options
| author | H Hartley Sweeten <hartleys@visionengravers.com> | 2012-09-10 19:02:40 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-09-10 20:08:01 -0700 |
| commit | f123f287e03ed19a2eb6a4fd6a15908f76c9f086 (patch) | |
| tree | f95fad7677924e58d85705f317aa27a347972fd0 /drivers/staging/comedi/drivers/adl_pci9111.c | |
| parent | 3eb60d7309043831d8d345bd7fc32459598ade8c (diff) | |
staging: comedi: adl_pci9111: remove pci9111_interrupt_clear macro
This macro relies on a local variable having a specific name.
Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/staging/comedi/drivers/adl_pci9111.c')
| -rw-r--r-- | drivers/staging/comedi/drivers/adl_pci9111.c | 12 |
1 files changed, 3 insertions, 9 deletions
diff --git a/drivers/staging/comedi/drivers/adl_pci9111.c b/drivers/staging/comedi/drivers/adl_pci9111.c index 78c3a89bfdd6..6e93b9e9d6a3 100644 --- a/drivers/staging/comedi/drivers/adl_pci9111.c +++ b/drivers/staging/comedi/drivers/adl_pci9111.c @@ -104,7 +104,7 @@ TODO: #define PCI9111_SOFTWARE_TRIGGER_REG 0x0E #define PCI9111_REGISTER_INTERRUPT_CONTROL 0x0C #define PCI9111_8254_BASE_REG 0x40 -#define PCI9111_REGISTER_INTERRUPT_CLEAR 0x48 +#define PCI9111_INT_CLR_REG 0x48 #define PCI9111_TRIGGER_MASK 0x0F #define PCI9111_PTRG_OFF (0 << 3) @@ -146,9 +146,6 @@ TODO: #define pci9111_interrupt_and_fifo_set(flags) \ outb(flags, dev->iobase + PCI9111_REGISTER_INTERRUPT_CONTROL) -#define pci9111_interrupt_clear() \ - outb(0, dev->iobase + PCI9111_REGISTER_INTERRUPT_CLEAR) - #define pci9111_fifo_reset() do { \ outb(PCI9111_FFEN_SET_FIFO_ENABLE, \ dev->iobase + PCI9111_REGISTER_INTERRUPT_CONTROL); \ @@ -722,7 +719,7 @@ static irqreturn_t pci9111_interrupt(int irq, void *p_device) if (!(status & PCI9111_FIFO_FULL_MASK)) { spin_unlock_irqrestore(&dev->spinlock, irq_flags); comedi_error(dev, PCI9111_DRIVER_NAME " fifo overflow"); - pci9111_interrupt_clear(); + outb(0, dev->iobase + PCI9111_INT_CLR_REG); pci9111_ai_cancel(dev, s); async->events |= COMEDI_CB_ERROR | COMEDI_CB_EOA; comedi_event(dev, s); @@ -808,10 +805,7 @@ static irqreturn_t pci9111_interrupt(int irq, void *p_device) pci9111_ai_cancel(dev, s); } - /* Very important, otherwise another interrupt request will be inserted - * and will cause driver hangs on processing interrupt event. */ - - pci9111_interrupt_clear(); + outb(0, dev->iobase + PCI9111_INT_CLR_REG); spin_unlock_irqrestore(&dev->spinlock, irq_flags); |