Refactor the 8254 timer programming to use the i8254_set_mode()
and i8254_write() helpers instead of i8254_load(). This allows
us to use the I8254_MODE* defines to clarify the code.
Signed-off-by: H Hartley Sweeten <hswee...@visionengravers.com>
Cc: Ian Abbott <abbo...@mev.co.uk>
Cc: Greg Kroah-Hartman <gre...@linuxfoundation.org>
---
drivers/staging/comedi/drivers/amplc_pci224.c | 9 +++++----
1 file changed, 5 insertions(+), 4 deletions(-)
diff --git a/drivers/staging/comedi/drivers/amplc_pci224.c
b/drivers/staging/comedi/drivers/amplc_pci224.c
index 3002156..c2b352c 100644
--- a/drivers/staging/comedi/drivers/amplc_pci224.c
+++ b/drivers/staging/comedi/drivers/amplc_pci224.c
@@ -868,6 +868,7 @@ static void pci224_ao_start_pacer(struct comedi_device *dev,
struct comedi_subdevice *s)
{
struct pci224_private *devpriv = dev->private;
+ unsigned long timer_base = devpriv->iobase1 + PCI224_Z2_CT0;
/*
* The output of timer Z2-0 will be used as the scan trigger
@@ -881,13 +882,13 @@ static void pci224_ao_start_pacer(struct comedi_device
*dev,
/* Z2-2 needs 10 MHz clock. */
outb(CLK_CONFIG(2, CLK_10MHZ), devpriv->iobase1 + PCI224_ZCLK_SCE);
/* Load Z2-2 mode (2) and counter (div1). */
- i8254_load(devpriv->iobase1 + PCI224_Z2_CT0, 0,
- 2, devpriv->cached_div1, 2);
+ i8254_set_mode(timer_base, 0, 2, I8254_MODE2 | I8254_BINARY);
+ i8254_write(timer_base, 0, 2, devpriv->cached_div1);
/* Z2-0 is clocked from Z2-2's output. */
outb(CLK_CONFIG(0, CLK_OUTNM1), devpriv->iobase1 + PCI224_ZCLK_SCE);
/* Load Z2-0 mode (2) and counter (div2). */
- i8254_load(devpriv->iobase1 + PCI224_Z2_CT0, 0,
- 0, devpriv->cached_div2, 2);
+ i8254_set_mode(timer_base, 0, 0, I8254_MODE2 | I8254_BINARY);
+ i8254_write(timer_base, 0, 0, devpriv->cached_div2);
}
static int pci224_ao_cmd(struct comedi_device *dev, struct comedi_subdevice *s)
--
1.9.2
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