leandrof/linux
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

staging: comedi: comedi_8254.h: tidy up the register map defines

Browse Source 
Tidy up the defines to fix the checkpatch.pl issues:
CHECK: Prefer using the BIT macro

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 2016-04-11 11:32:18 -07:00 committed by Greg Kroah-Hartman
parent d074aeb888
commit a104336d0e
1 changed files with 8 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

14
drivers/staging/comedi/drivers/comedi_8254.h
View File

@ -53,13 +53,15 @@ struct comedi_subdevice;
#define I8254_COUNTER2_REG 0x02
#define I8254_CTRL_REG 0x03
#define I8254_CTRL_SEL_CTR(x) ((x) << 6)
#define I8254_CTRL_READBACK_COUNT ((3 << 6) | (1 << 4))
#define I8254_CTRL_READBACK_STATUS ((3 << 6) | (1 << 5))
#define I8254_CTRL_READBACK(x) (I8254_CTRL_SEL_CTR(3) | BIT(x))
#define I8254_CTRL_READBACK_COUNT I8254_CTRL_READBACK(4)
#define I8254_CTRL_READBACK_STATUS I8254_CTRL_READBACK(5)
#define I8254_CTRL_READBACK_SEL_CTR(x) (2 << (x))
#define I8254_CTRL_LATCH (0 << 4)
#define I8254_CTRL_LSB_ONLY (1 << 4)
#define I8254_CTRL_MSB_ONLY (2 << 4)
#define I8254_CTRL_LSB_MSB (3 << 4)
#define I8254_CTRL_RW(x) (((x) & 0x3) << 4)
#define I8254_CTRL_LATCH I8254_CTRL_RW(0)
#define I8254_CTRL_LSB_ONLY I8254_CTRL_RW(1)
#define I8254_CTRL_MSB_ONLY I8254_CTRL_RW(2)
#define I8254_CTRL_LSB_MSB I8254_CTRL_RW(3)
/* counter maps zero to 0x10000 */
#define I8254_MAX_COUNT 0x10000