A-Team_Digital_Solutions/android_kernel_motorola_sm6375
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clk: at91: sckc: optimize boot time

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Assume that if the oscillator is enabled (OSC32EN bit is present), the
delay has already elapsed as the bootloader probably waited for the
oscillator to settle. This could waste up to 1.2s.

Signed-off-by: Alexandre Belloni <[email protected]>
Signed-off-by: Stephen Boyd <[email protected]>
This commit is contained in:
Alexandre Belloni 2016-09-20 22:58:31 +02:00 • committed by Stephen Boyd
commit 4135b7f8d4
1 changed files with 1 additions and 1 deletions
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2
drivers/clk/at91/sckc.c
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@ -69,7 +69,7 @@ static int clk_slow_osc_prepare(struct clk_hw *hw)
void __iomem *sckcr = osc->sckcr;
u32 tmp = readl(sckcr);
if (tmp & AT91_SCKC_OSC32BYP)
if (tmp & (AT91_SCKC_OSC32BYP | AT91_SCKC_OSC32EN))
return 0;
writel(tmp | AT91_SCKC_OSC32EN, sckcr);