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mtd: nand: vf610: Check the return value from clk_prepare_enable() 

clk_prepare_enable() may fail, so we should better check its return value
and propagate it in the case of error.

Signed-off-by: Fabio Estevam <fabio.estevam@nxp.com>
Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
This commit is contained in:
Fabio Estevam 2017-07-17 21:54:07 -03:00 committed by Boris Brezillon
parent 5158bd5597
commit 03fba86b63
1 changed files with 5 additions and 1 deletions
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6
drivers/mtd/nand/vf610_nfc.c
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@ -814,12 +814,16 @@ static int vf610_nfc_suspend(struct device *dev)
static int vf610_nfc_resume(struct device *dev)
{
int err;
struct mtd_info *mtd = dev_get_drvdata(dev);
struct vf610_nfc *nfc = mtd_to_nfc(mtd);
pinctrl_pm_select_default_state(dev);
clk_prepare_enable(nfc->clk);
err = clk_prepare_enable(nfc->clk);
if (err)
return err;
vf610_nfc_preinit_controller(nfc);
vf610_nfc_init_controller(nfc);