The patch titled
atmel_pwm: set up only one PWM clock when allocating a clock
has been added to the -mm tree. Its filename is
atmel_pwm-set-up-only-one-pwm-clock-when-allocating-a-clock.patch
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------------------------------------------------------
Subject: atmel_pwm: set up only one PWM clock when allocating a clock
From: Hans-Christian Egtvedt <hans-christian.egtvedt@xxxxxxxxx>
This patch will only setup one clock, if free, and return this clock to the
caller. The previous solution would setup both clocks with the same prescaler
and divider and return PWM_CPR_CLKB, thus taking both clocks in the same call
without the caller knowing.
Signed-off-by: Hans-Christian Egtvedt <hans-christian.egtvedt@xxxxxxxxx>
Cc: David Brownell <david-b@xxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
drivers/misc/atmel_pwm.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff -puN drivers/misc/atmel_pwm.c~atmel_pwm-set-up-only-one-pwm-clock-when-allocating-a-clock drivers/misc/atmel_pwm.c
--- a/drivers/misc/atmel_pwm.c~atmel_pwm-set-up-only-one-pwm-clock-when-allocating-a-clock
+++ a/drivers/misc/atmel_pwm.c
@@ -211,8 +211,7 @@ int pwm_clk_alloc(unsigned prescale, uns
if ((mr & 0xffff) == 0) {
mr |= val;
ret = PWM_CPR_CLKA;
- }
- if ((mr & (0xffff << 16)) == 0) {
+ } else if ((mr & (0xffff << 16)) == 0) {
mr |= val << 16;
ret = PWM_CPR_CLKB;
}
_
Patches currently in -mm which might be from hans-christian.egtvedt@xxxxxxxxx are
linux-next.patch
atmel_pwm-set-up-only-one-pwm-clock-when-allocating-a-clock.patch
fbdev-lcd-backlight-driver-using-atmel-pwm-driver.patch
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