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 <l...@karo-electronics.de> Cc: Thierry Reding <thierry.red...@gmail.com> Cc: Sascha Hauer <s.ha...@pengutronix.de> Cc: Shawn Guo <shawn....@freescale.com> Cc: Lothar Waßmann <l...@karo-electronics.de> Cc: linux-...@vger.kernel.org Cc: linux-arm-ker...@lists.infradead.org Signed-off-by: Liu Ying <ying....@freescale.com> --- drivers/pwm/pwm-imx.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/pwm/pwm-imx.c b/drivers/pwm/pwm-imx.c index cc47733..9835e0b 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) -- 1.7.9.5 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
