[PATCH 17/40] staging: comedi: ni_tio: convert NI_660x_Up_Down_Pin_Second_Gate_Select() to a macro
H Hartley Sweeten
hsweeten at visionengravers.com
Thu Jul 24 17:14:42 UTC 2014
The BUG_ON() in this function can never happen.
For aesthetics, rename this CamelCase inline function and convert it into
a simple macro.
Signed-off-by: H Hartley Sweeten <hsweeten at visionengravers.com>
Cc: Ian Abbott <abbotti at mev.co.uk>
Cc: Greg Kroah-Hartman <gregkh at linuxfoundation.org>
---
drivers/staging/comedi/drivers/ni_tio.c | 11 ++---------
1 file changed, 2 insertions(+), 9 deletions(-)
diff --git a/drivers/staging/comedi/drivers/ni_tio.c b/drivers/staging/comedi/drivers/ni_tio.c
index 2347612..247e3da 100644
--- a/drivers/staging/comedi/drivers/ni_tio.c
+++ b/drivers/staging/comedi/drivers/ni_tio.c
@@ -186,12 +186,7 @@ enum ni_660x_second_gate_select {
NI_660x_Logic_Low_Second_Gate_Select = 0x1f,
};
static const unsigned ni_660x_max_up_down_pin = 7;
-static inline unsigned NI_660x_Up_Down_Pin_Second_Gate_Select(unsigned n)
-{
- BUG_ON(n > ni_660x_max_up_down_pin);
- return 0x2 + n;
-}
-
+#define NI_660X_UD_PIN_GATE2_SEL(x) (0x2 + (x))
#define NI_660X_RTSI_GATE2_SEL(x) (0xb + (x))
static const unsigned int counter_status_mask =
@@ -1269,10 +1264,8 @@ ni_660x_second_gate_to_generic_gate_source(unsigned ni_660x_gate_select)
if (i <= ni_660x_max_rtsi_channel)
break;
for (i = 0; i <= ni_660x_max_up_down_pin; ++i) {
- if (ni_660x_gate_select ==
- NI_660x_Up_Down_Pin_Second_Gate_Select(i)) {
+ if (ni_660x_gate_select == NI_660X_UD_PIN_GATE2_SEL(i))
return NI_GPCT_UP_DOWN_PIN_GATE_SELECT(i);
- }
}
if (i <= ni_660x_max_up_down_pin)
break;
--
1.9.3
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