diff options
| author | H Hartley Sweeten <hsweeten@visionengravers.com> | 2015-02-23 21:57:55 (GMT) |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2015-03-02 02:51:52 (GMT) |
| commit | 5f907df0302b1d723887926ec7dba39bf1d31da5 (patch) | |
| tree | 4f5c80b41736a1c5fea8470b8dc4fb0e0f5c9458 /drivers/staging/comedi | |
| parent | 1ec7271dbc05542c27956bdd79aca6c4e80ae516 (diff) | |
| download | linux-5f907df0302b1d723887926ec7dba39bf1d31da5.tar.xz | |
staging: comedi: amplc_dio200_common: introduce DIO200_GAT_SEL() macro
Replace the DIO200_[XYZ]GAT_SEL defines with a macro that returns the
correct register offset.
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>
Diffstat (limited to 'drivers/staging/comedi')
| -rw-r--r-- | drivers/staging/comedi/drivers/amplc_dio200_common.c | 6 |
1 files changed, 2 insertions, 4 deletions
diff --git a/drivers/staging/comedi/drivers/amplc_dio200_common.c b/drivers/staging/comedi/drivers/amplc_dio200_common.c index ab87f2e..709fe1a 100644 --- a/drivers/staging/comedi/drivers/amplc_dio200_common.c +++ b/drivers/staging/comedi/drivers/amplc_dio200_common.c @@ -33,9 +33,7 @@ #define DIO200_IO_SIZE 0x20 #define DIO200_PCIE_IO_SIZE 0x4000 #define DIO200_CLK_SCE(x) (0x18 + (x)) /* Group X/Y/Z clock sel reg */ -#define DIO200_XGAT_SCE 0x1b /* Group X gate selection register */ -#define DIO200_YGAT_SCE 0x1c /* Group Y gate selection register */ -#define DIO200_ZGAT_SCE 0x1d /* Group Z gate selection register */ +#define DIO200_GAT_SCE(x) (0x1b + (x)) /* Group X/Y/Z gate sel reg */ #define DIO200_INT_SCE 0x1e /* Interrupt enable/status register */ /* Extra registers for new PCIe boards */ #define DIO200_ENHANCE 0x20 /* 1 to enable enhanced features */ @@ -732,7 +730,7 @@ static int dio200_subdev_8254_init(struct comedi_device *dev, /* 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_XGAT_SCE + (offset >> 3); + subpriv->gat_sce_ofs = DIO200_GAT_SCE(offset >> 3); subpriv->which = (offset >> 2) & 1; } |