staging: comedi: adl_pci9111: remove pci9111_is_fifo_* macros

These macros rely 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>

diff --git a/drivers/staging/comedi/drivers/adl_pci9111.c b/drivers/staging/comedi/drivers/adl_pci9111.c
index 71311796e74cb39844133a207ac429edafc3140a..ad683a78f3fc90f666453946d9bad1bb9f87478e 100644 (file)
--- a/drivers/staging/comedi/drivers/adl_pci9111.c
+++ b/drivers/staging/comedi/drivers/adl_pci9111.c
@@ -161,17 +161,6 @@ TODO:
                dev->iobase + PCI9111_REGISTER_INTERRUPT_CONTROL); \
        } while (0)
 
-#define pci9111_is_fifo_full() \
-       ((inb(dev->iobase + PCI9111_RANGE_STATUS_REG)& \
-               PCI9111_FIFO_FULL_MASK) == 0)
-
-#define pci9111_is_fifo_half_full() \
-       ((inb(dev->iobase + PCI9111_RANGE_STATUS_REG)& \
-               PCI9111_FIFO_HALF_FULL_MASK) == 0)
-
-#define pci9111_is_fifo_empty() \
-       ((inb(dev->iobase + PCI9111_RANGE_STATUS_REG)& \
-               PCI9111_FIFO_EMPTY_MASK) == 0)
 
 static const struct comedi_lrange pci9111_hr_ai_range = {
        5,
@@ -698,6 +687,7 @@ static irqreturn_t pci9111_interrupt(int irq, void *p_device)
        struct pci9111_private_data *dev_private = dev->private;
        struct comedi_subdevice *s = dev->read_subdev;
        struct comedi_async *async;
+       unsigned int status;
        unsigned long irq_flags;
        unsigned char intcsr;
 
@@ -729,7 +719,10 @@ static irqreturn_t pci9111_interrupt(int irq, void *p_device)
            (PLX9050_LINTI1_ENABLE | PLX9050_LINTI1_STATUS)) {
                /*  Interrupt comes from fifo_half-full signal */
 
-               if (pci9111_is_fifo_full()) {
+               status = inb(dev->iobase + PCI9111_RANGE_STATUS_REG);
+
+               /* '0' means FIFO is full, data may have been lost */
+               if (!(status & PCI9111_FIFO_FULL_MASK)) {
                        spin_unlock_irqrestore(&dev->spinlock, irq_flags);
                        comedi_error(dev, PCI9111_DRIVER_NAME " fifo overflow");
                        pci9111_interrupt_clear();
@@ -740,7 +733,8 @@ static irqreturn_t pci9111_interrupt(int irq, void *p_device)
                        return IRQ_HANDLED;
                }
 
-               if (pci9111_is_fifo_half_full()) {
+               /* '0' means FIFO is half-full */
+               if (!(status & PCI9111_FIFO_HALF_FULL_MASK)) {
                        unsigned int num_samples;
                        unsigned int bytes_written = 0;
 
@@ -844,14 +838,14 @@ static int pci9111_ai_insn_read(struct comedi_device *dev,
        unsigned int maxdata = s->maxdata;
        unsigned int invert = (maxdata + 1) >> 1;
        unsigned int shift = (maxdata == 0xffff) ? 0 : 4;
-       unsigned int current_range;
+       unsigned int status;
        int timeout;
        int i;
 
        outb(chan, dev->iobase + PCI9111_AI_CHANNEL_REG);
 
-       current_range = inb(dev->iobase + PCI9111_RANGE_STATUS_REG);
-       if ((current_range & PCI9111_RANGE_MASK) != range) {
+       status = inb(dev->iobase + PCI9111_RANGE_STATUS_REG);
+       if ((status & PCI9111_RANGE_MASK) != range) {
                outb(range & PCI9111_RANGE_MASK,
                        dev->iobase + PCI9111_AI_RANGE_REG);
        }
@@ -864,7 +858,9 @@ static int pci9111_ai_insn_read(struct comedi_device *dev,
                timeout = PCI9111_AI_INSTANT_READ_TIMEOUT;
 
                while (timeout--) {
-                       if (!pci9111_is_fifo_empty())
+                       status = inb(dev->iobase + PCI9111_RANGE_STATUS_REG);
+                       /* '1' means FIFO is not empty */
+                       if (status & PCI9111_FIFO_EMPTY_MASK)
                                goto conversion_done;
                }