[PATCH 06/40] staging: comedi: ni_tio: tidy up ni_m_series_set_first_gate()
H Hartley Sweeten
hsweeten at visionengravers.com
Thu Jul 24 17:14:31 UTC 2014
Rename some of the local vars and tidy up this function to fix to
fix a couple > 80 char line issues.
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 | 23 +++++++++--------------
1 file changed, 9 insertions(+), 14 deletions(-)
diff --git a/drivers/staging/comedi/drivers/ni_tio.c b/drivers/staging/comedi/drivers/ni_tio.c
index d610902..fa1ca45 100644
--- a/drivers/staging/comedi/drivers/ni_tio.c
+++ b/drivers/staging/comedi/drivers/ni_tio.c
@@ -1002,14 +1002,12 @@ static int ni_660x_set_first_gate(struct ni_gpct *counter,
static int ni_m_series_set_first_gate(struct ni_gpct *counter,
unsigned int gate_source)
{
- const unsigned selected_gate = CR_CHAN(gate_source);
+ unsigned int chan = CR_CHAN(gate_source);
unsigned cidx = counter->counter_index;
- /* bits of selected_gate that may be meaningful to input select register */
- const unsigned selected_gate_mask = 0x1f;
- unsigned ni_m_series_gate_select;
+ unsigned gate_sel;
unsigned i;
- switch (selected_gate) {
+ switch (chan) {
case NI_GPCT_TIMESTAMP_MUX_GATE_SELECT:
case NI_GPCT_AI_START2_GATE_SELECT:
case NI_GPCT_PXI_STAR_TRIGGER_GATE_SELECT:
@@ -1018,22 +1016,20 @@ static int ni_m_series_set_first_gate(struct ni_gpct *counter,
case NI_GPCT_NEXT_SOURCE_GATE_SELECT:
case NI_GPCT_ANALOG_TRIGGER_OUT_GATE_SELECT:
case NI_GPCT_LOGIC_LOW_GATE_SELECT:
- ni_m_series_gate_select = selected_gate & selected_gate_mask;
+ gate_sel = chan & 0x1f;
break;
default:
for (i = 0; i <= ni_m_series_max_rtsi_channel; ++i) {
- if (selected_gate == NI_GPCT_RTSI_GATE_SELECT(i)) {
- ni_m_series_gate_select =
- selected_gate & selected_gate_mask;
+ if (chan == NI_GPCT_RTSI_GATE_SELECT(i)) {
+ gate_sel = chan & 0x1f;
break;
}
}
if (i <= ni_m_series_max_rtsi_channel)
break;
for (i = 0; i <= ni_m_series_max_pfi_channel; ++i) {
- if (selected_gate == NI_GPCT_PFI_GATE_SELECT(i)) {
- ni_m_series_gate_select =
- selected_gate & selected_gate_mask;
+ if (chan == NI_GPCT_PFI_GATE_SELECT(i)) {
+ gate_sel = chan & 0x1f;
break;
}
}
@@ -1042,8 +1038,7 @@ static int ni_m_series_set_first_gate(struct ni_gpct *counter,
return -EINVAL;
}
ni_tio_set_bits(counter, NITIO_INPUT_SEL_REG(cidx),
- Gi_Gate_Select_Mask,
- Gi_Gate_Select_Bits(ni_m_series_gate_select));
+ Gi_Gate_Select_Mask, Gi_Gate_Select_Bits(gate_sel));
return 0;
}
--
1.9.3
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