[PATCH 12/40] staging: comedi: ni_tio: convert NI_M_Series_RTSI_Gate_Select() to a macro
H Hartley Sweeten
hsweeten at visionengravers.com
Thu Jul 24 17:14:37 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 | 12 ++----------
1 file changed, 2 insertions(+), 10 deletions(-)
diff --git a/drivers/staging/comedi/drivers/ni_tio.c b/drivers/staging/comedi/drivers/ni_tio.c
index 1fb9a5c..60ec33f 100644
--- a/drivers/staging/comedi/drivers/ni_tio.c
+++ b/drivers/staging/comedi/drivers/ni_tio.c
@@ -172,13 +172,7 @@ enum ni_m_series_gate_select {
NI_M_Series_Analog_Trigger_Out_Gate_Select = 0x1e,
NI_M_Series_Logic_Low_Gate_Select = 0x1f,
};
-static inline unsigned NI_M_Series_RTSI_Gate_Select(unsigned n)
-{
- BUG_ON(n > ni_m_series_max_rtsi_channel);
- if (n == 7)
- return 0x1b;
- return 0xb + n;
-}
+#define NI_M_RTSI_GATE_SEL(x) (((x) == 7) ? 0x1b : (0xb + (x)))
static inline unsigned NI_M_Series_PFI_Gate_Select(unsigned n)
{
@@ -1251,10 +1245,8 @@ ni_m_series_first_gate_to_generic_gate_source(unsigned ni_m_series_gate_select)
return NI_GPCT_LOGIC_LOW_GATE_SELECT;
default:
for (i = 0; i <= ni_m_series_max_rtsi_channel; ++i) {
- if (ni_m_series_gate_select ==
- NI_M_Series_RTSI_Gate_Select(i)) {
+ if (ni_m_series_gate_select == NI_M_RTSI_GATE_SEL(i))
return NI_GPCT_RTSI_GATE_SELECT(i);
- }
}
if (i <= ni_m_series_max_rtsi_channel)
break;
--
1.9.3
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