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pwm: imx: Fix the macro MX3_PWMCR_PRESCALER(x) definition

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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]>
This commit is contained in:
Liu Ying 2014-05-28 18:50:11 +08:00 • committed by Thierry Reding
commit bd59bdc898
1 changed files with 1 additions and 1 deletions
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2
drivers/pwm/pwm-imx.c
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@ -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)