A-Team_Digital_Solutions/android_kernel_motorola_sm6375
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atmel_pwm: set up only one PWM clock when allocating a clock

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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 <[email protected]>
Cc: David Brownell <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Hans-Christian Egtvedt 2008-07-23 21:28:55 -07:00 • committed by Linus Torvalds
commit 5aa0769d08
1 changed files with 1 additions and 2 deletions
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3
drivers/misc/atmel_pwm.c
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@ -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;
}