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soc: pinctrl-lpi: Disable core clock only if it is enabled

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Clock driver throws warning when clock disable is called
without enable. Disable core clock only if the respective clock
enable is successful to avoid this warning.

Change-Id: I489647a444c9be326e5805c353385240c6c6d0fc
Signed-off-by: Aditya Bavanari <abavanar@codeaurora.org>
This commit is contained in:
Aditya Bavanari
2019-03-15 13:33:02 +05:30
committed by Meng Wang
parent efdb8d9f66
commit 0b1748df54
1 changed files with 11 additions and 3 deletions
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14
soc/pinctrl-lpi.c
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@@ -110,6 +110,7 @@ struct lpi_gpio_state {
char __iomem *base;
struct clk *lpass_core_hw_vote;
struct mutex slew_access_lock;
bool core_hw_vote_status;
};
static const char *const lpi_gpio_groups[] = {
@@ -710,6 +711,7 @@ static int lpi_pinctrl_probe(struct platform_device *pdev)
}
state->lpass_core_hw_vote = lpass_core_hw_vote;
state->core_hw_vote_status = false;
pm_runtime_set_autosuspend_delay(&pdev->dev, LPI_AUTO_SUSPEND_DELAY);
pm_runtime_use_autosuspend(&pdev->dev);
pm_runtime_set_suspended(&pdev->dev);
@@ -760,10 +762,12 @@ int lpi_pinctrl_runtime_resume(struct device *dev)
}
ret = clk_prepare_enable(state->lpass_core_hw_vote);
if (ret < 0) {
if (ret < 0)
dev_err(dev, "%s:lpass core hw island enable failed\n",
__func__);
}
else
state->core_hw_vote_status = true;
pm_runtime_set_autosuspend_delay(dev, LPI_AUTO_SUSPEND_DELAY);
return 0;
}
@@ -776,7 +780,11 @@ int lpi_pinctrl_runtime_suspend(struct device *dev)
dev_dbg(dev, "%s: Invalid core hw node\n", __func__);
return 0;
}
clk_disable_unprepare(state->lpass_core_hw_vote);
if (state->core_hw_vote_status) {
clk_disable_unprepare(state->lpass_core_hw_vote);
state->core_hw_vote_status = false;
}
return 0;
}