diff options
| author | Liu Ying <[email protected]> | 2014-05-28 10:50:11 +0000 |
|---|---|---|
| committer | Thierry Reding <[email protected]> | 2014-08-25 13:46:28 +0000 |
| commit | bd59bdc898623e6c948a9f900250ce7343cf9012 (patch) | |
| tree | bbdb9e00203a1b4e246b42d75ff7c188d38ceb99 /drivers/pwm/pwm-imx.c | |
| parent | pwm: Fix possible ZERO_SIZE_PTR pointer dereferencing error. (diff) | |
| download | kernel-bd59bdc898623e6c948a9f900250ce7343cf9012.tar.gz kernel-bd59bdc898623e6c948a9f900250ce7343cf9012.zip | |
pwm: imx: Fix the macro MX3_PWMCR_PRESCALER(x) definition
This patch adds missing parentheses around the argument of the macro
MX3_PWMCR_PRESCALER(x) to avoid any potential macro expansion issue.
Reported-by: Lothar Waßmann <[email protected]>
Cc: Thierry Reding <[email protected]>
Cc: Sascha Hauer <[email protected]>
Cc: Shawn Guo <[email protected]>
Cc: Lothar Waßmann <[email protected]>
Cc: [email protected]
Cc: [email protected]
Signed-off-by: Liu Ying <[email protected]>
Acked-by: Shawn Guo <[email protected]>
Signed-off-by: Thierry Reding <[email protected]>
Diffstat (limited to 'drivers/pwm/pwm-imx.c')
| -rw-r--r-- | drivers/pwm/pwm-imx.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/pwm/pwm-imx.c b/drivers/pwm/pwm-imx.c index 5449d9150d40..183225e41d60 100644 --- a/drivers/pwm/pwm-imx.c +++ b/drivers/pwm/pwm-imx.c @@ -32,7 +32,7 @@ #define MX3_PWMCR 0x00 /* PWM Control Register */ #define MX3_PWMSAR 0x0C /* PWM Sample Register */ #define MX3_PWMPR 0x10 /* PWM Period Register */ -#define MX3_PWMCR_PRESCALER(x) (((x - 1) & 0xFFF) << 4) +#define MX3_PWMCR_PRESCALER(x) ((((x) - 1) & 0xFFF) << 4) #define MX3_PWMCR_DOZEEN (1 << 24) #define MX3_PWMCR_WAITEN (1 << 23) #define MX3_PWMCR_DBGEN (1 << 22) |