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staging: comedi: amplc_dio200_common: remove 'clk_sce_ofs' from struct dio200_subdev_8254

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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@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
H Hartley Sweeten 2015-02-23 14:57:56 -07:00 • committed by Greg Kroah-Hartman
commit 3a4959a3a0
1 changed files with 1 additions and 3 deletions
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4
drivers/staging/comedi/drivers/amplc_dio200_common.c
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@ -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 clk_sce_ofs; /* CLK_SCE base address */
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 */
@ -625,7 +624,7 @@ static int dio200_subdev_8254_set_clock_src(struct comedi_device *dev,
subpriv->clock_src[counter_number] = clock_src;
byte = clk_sce(subpriv->which, counter_number, clock_src);
dio200_write8(dev, subpriv->clk_sce_ofs, byte);
dio200_write8(dev, DIO200_CLK_SCE(subpriv->ofs >> 3), byte);
return 0;
}
@ -729,7 +728,6 @@ static int dio200_subdev_8254_init(struct comedi_device *dev,
if (board->has_clk_gat_sce) {
/* Derive CLK_SCE and GAT_SCE register offsets from
* 8254 offset. */
subpriv->clk_sce_ofs = DIO200_CLK_SCE(offset >> 3);
subpriv->gat_sce_ofs = DIO200_GAT_SCE(offset >> 3);
subpriv->which = (offset >> 2) & 1;
}