This member is only used one place in the driver. Remove it and calculate the
register offset when needed.
Signed-off-by: H Hartley Sweeten <hsweeten@xxxxxxxxxxxxxxxxxxx>
Cc: Ian Abbott <abbotti@xxxxxxxxx>
Cc: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/staging/comedi/drivers/amplc_dio200_common.c | 9 ++-------
1 file changed, 2 insertions(+), 7 deletions(-)
diff --git a/drivers/staging/comedi/drivers/amplc_dio200_common.c b/drivers/staging/comedi/drivers/amplc_dio200_common.c
index 1786ea2..2c9c8dd 100644
--- a/drivers/staging/comedi/drivers/amplc_dio200_common.c
+++ b/drivers/staging/comedi/drivers/amplc_dio200_common.c
@@ -99,7 +99,6 @@ static const unsigned int ts_clock_period[TS_CONFIG_MAX_CLK_SRC + 1] = {
struct dio200_subdev_8254 {
unsigned int ofs; /* Counter base offset */
- unsigned int gat_sce_ofs; /* GAT_SCE base address */
int which; /* Bit 5 of CLK_SCE or GAT_SCE */
unsigned int clock_src[3]; /* Current clock sources */
unsigned int gate_src[3]; /* Current gate sources */
@@ -586,7 +585,7 @@ static int dio200_subdev_8254_set_gate_src(struct comedi_device *dev,
subpriv->gate_src[counter_number] = gate_src;
byte = gat_sce(subpriv->which, counter_number, gate_src);
- dio200_write8(dev, subpriv->gat_sce_ofs, byte);
+ dio200_write8(dev, DIO200_GAT_SCE(subpriv->ofs >> 3), byte);
return 0;
}
@@ -725,12 +724,8 @@ static int dio200_subdev_8254_init(struct comedi_device *dev,
spin_lock_init(&subpriv->spinlock);
subpriv->ofs = offset;
- if (board->has_clk_gat_sce) {
- /* Derive CLK_SCE and GAT_SCE register offsets from
- * 8254 offset. */
- subpriv->gat_sce_ofs = DIO200_GAT_SCE(offset >> 3);
+ if (board->has_clk_gat_sce)
subpriv->which = (offset >> 2) & 1;
- }
/* Initialize channels. */
for (chan = 0; chan < 3; chan++) {
--
2.3.0
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