diff options
| author | Rayagonda Kokatanur <rayagonda.kokatanur@broadcom.com> | 2020-03-17 10:24:35 +0530 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2020-04-02 15:28:13 +0200 |
| commit | 39c6f2beb1b760275be46abcf30f7aef16841d98 (patch) | |
| tree | c5810585b6767226ddbf1921eb40bba22e5c53f6 /drivers | |
| parent | 579efdbbb2901c82bae1db496a46cadbeedb471f (diff) | |
| download | linux-39c6f2beb1b760275be46abcf30f7aef16841d98.tar.gz linux-39c6f2beb1b760275be46abcf30f7aef16841d98.tar.bz2 linux-39c6f2beb1b760275be46abcf30f7aef16841d98.zip | |
net: phy: mdio-mux-bcm-iproc: check clk_prepare_enable() return value
[ Upstream commit 872307abbd0d9afd72171929806c2fa33dc34179 ]
Check clk_prepare_enable() return value.
Fixes: 2c7230446bc9 ("net: phy: Add pm support to Broadcom iProc mdio mux driver")
Signed-off-by: Rayagonda Kokatanur <rayagonda.kokatanur@broadcom.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/phy/mdio-mux-bcm-iproc.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/net/phy/mdio-mux-bcm-iproc.c b/drivers/net/phy/mdio-mux-bcm-iproc.c index c017486e9b86..575e0bd76193 100644 --- a/drivers/net/phy/mdio-mux-bcm-iproc.c +++ b/drivers/net/phy/mdio-mux-bcm-iproc.c @@ -301,8 +301,13 @@ static int mdio_mux_iproc_resume(struct device *dev) { struct platform_device *pdev = to_platform_device(dev); struct iproc_mdiomux_desc *md = platform_get_drvdata(pdev); + int rc; - clk_prepare_enable(md->core_clk); + rc = clk_prepare_enable(md->core_clk); + if (rc) { + dev_err(md->dev, "failed to enable core clk\n"); + return rc; + } mdio_mux_iproc_config(md); return 0; |