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mtd: rawnand: gpmi: Fix runtime PM imbalance on error 

[ Upstream commit 550e68ea36 ]

pm_runtime_get_sync() increments the runtime PM usage counter even
when it returns an error code. Thus a pairing decrement is needed on
the error handling path to keep the counter balanced.

Signed-off-by: Dinghao Liu <dinghao.liu@zju.edu.cn>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/20200522095139.19653-1-dinghao.liu@zju.edu.cn
Signed-off-by: Sasha Levin <sashal@kernel.org>
5.4-rM2-2.2.x-imx-squashed
Dinghao Liu 2020-05-22 17:51:39 +08:00 committed by Greg Kroah-Hartman
parent ec705f9ffb
commit 63f600d87b
1 changed files with 3 additions and 1 deletions
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4
drivers/mtd/nand/raw/gpmi-nand/gpmi-nand.c
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@ -540,8 +540,10 @@ static int bch_set_geometry(struct gpmi_nand_data *this)
return ret;
ret = pm_runtime_get_sync(this->dev);
if (ret < 0)
if (ret < 0) {
pm_runtime_put_autosuspend(this->dev);
return ret;
}
/*
* Due to erratum #2847 of the MX23, the BCH cannot be soft reset on this