diff options
| author | Fabio Estevam <fabio.estevam@nxp.com> | 2017-07-18 02:54:07 +0200 |
|---|---|---|
| committer | Boris Brezillon <boris.brezillon@free-electrons.com> | 2017-08-23 16:49:14 +0200 |
| commit | 03fba86b63b95cf4377dd6cf8eaca9b225ed4a2d (patch) | |
| tree | 49d4234fc8c58bd7f615abfcd65899ebac541a01 /drivers/mtd | |
| parent | mtd: nand: remove hard-coded NAND ids length (diff) | |
| download | linux-03fba86b63b95cf4377dd6cf8eaca9b225ed4a2d.tar.xz linux-03fba86b63b95cf4377dd6cf8eaca9b225ed4a2d.zip | |
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>
Diffstat (limited to 'drivers/mtd')
| -rw-r--r-- | drivers/mtd/nand/vf610_nfc.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/mtd/nand/vf610_nfc.c b/drivers/mtd/nand/vf610_nfc.c index 744ab10e8962..9e496727e781 100644 --- a/drivers/mtd/nand/vf610_nfc.c +++ b/drivers/mtd/nand/vf610_nfc.c @@ -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); |