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-rw-r--r--drivers/staging/comedi/drivers/ni_tio.c11
1 files changed, 3 insertions, 8 deletions
diff --git a/drivers/staging/comedi/drivers/ni_tio.c b/drivers/staging/comedi/drivers/ni_tio.c
index e613353c6f53..e1d7d4edb976 100644
--- a/drivers/staging/comedi/drivers/ni_tio.c
+++ b/drivers/staging/comedi/drivers/ni_tio.c
@@ -154,12 +154,7 @@ static inline unsigned NI_M_Series_PFI_Clock(unsigned n)
}
static const unsigned ni_m_series_max_rtsi_channel = 7;
-static inline unsigned NI_M_Series_RTSI_Clock(unsigned n)
-{
- BUG_ON(n > ni_m_series_max_rtsi_channel);
-
- return (n == 7) ? 0x1b : (0xb + n);
-}
+#define NI_M_RTSI_CLK(x) (((x) == 7) ? 0x1b : (0xb + (x)))
enum ni_660x_gate_select {
NI_660x_Source_Pin_i_Gate_Select = 0x0,
@@ -622,7 +617,7 @@ static unsigned ni_m_series_source_select_bits(unsigned int clock_source)
default:
for (i = 0; i <= ni_m_series_max_rtsi_channel; ++i) {
if (clock_select_bits == NI_GPCT_RTSI_CLOCK_SRC_BITS(i)) {
- ni_m_series_clock = NI_M_Series_RTSI_Clock(i);
+ ni_m_series_clock = NI_M_RTSI_CLK(i);
break;
}
}
@@ -791,7 +786,7 @@ static unsigned ni_m_series_clock_src_select(const struct ni_gpct *counter)
break;
default:
for (i = 0; i <= ni_m_series_max_rtsi_channel; ++i) {
- if (input_select == NI_M_Series_RTSI_Clock(i)) {
+ if (input_select == NI_M_RTSI_CLK(i)) {
clock_source = NI_GPCT_RTSI_CLOCK_SRC_BITS(i);
break;
}