Commit 5aa0769d authored by Hans-Christian Egtvedt's avatar Hans-Christian Egtvedt Committed by Linus Torvalds

atmel_pwm: set up only one PWM clock when allocating a clock

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: default avatarHans-Christian Egtvedt <hans-christian.egtvedt@atmel.com>
Cc: David Brownell <david-b@pacbell.net>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 82736f4d
......@@ -211,8 +211,7 @@ int pwm_clk_alloc(unsigned prescale, unsigned div)
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;
}
......
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment