A-Team_Digital_Solutions/android_kernel_motorola_sm6375
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mfd: arizona: Correct calling of runtime_put_sync

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Don't call runtime_put_sync when clk32k_ref is ARIZONA_32KZ_MCLK2
as there is no corresponding runtime_get_sync call.

MCLK1 is not in the AoD power domain so if it is used as 32kHz clock
source we need to hold a runtime PM reference to keep the device from
going into low power mode.

Fixes: cdd8da8cc6 ("mfd: arizona: Add gating of external MCLKn clocks")
Signed-off-by: Sapthagiri Baratam <[email protected]>
Acked-by: Charles Keepax <[email protected]>
Signed-off-by: Lee Jones <[email protected]>
This commit is contained in:
Sapthagiri Baratam 2018-08-21 19:52:44 +05:30 • committed by Lee Jones
commit 6b269a41a4
1 changed files with 4 additions and 4 deletions
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8
drivers/mfd/arizona-core.c
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@ -52,8 +52,10 @@ int arizona_clk32k_enable(struct arizona *arizona)
if (ret != 0)
goto err_ref;
ret = clk_prepare_enable(arizona->mclk[ARIZONA_MCLK1]);
if (ret != 0)
goto err_pm;
if (ret != 0) {
pm_runtime_put_sync(arizona->dev);
goto err_ref;
}
break;
case ARIZONA_32KZ_MCLK2:
ret = clk_prepare_enable(arizona->mclk[ARIZONA_MCLK2]);
@ -67,8 +69,6 @@ int arizona_clk32k_enable(struct arizona *arizona)
ARIZONA_CLK_32K_ENA);
}
err_pm:
pm_runtime_put_sync(arizona->dev);
err_ref:
if (ret != 0)
arizona->clk32k_ref--;