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net: phy: mdio-mux-bcm-iproc: check clk_prepare_enable() return value

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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>
This commit is contained in:
Rayagonda Kokatanur 2020-03-17 10:24:35 +05:30 committed by David S. Miller
parent af4e6671b2
commit 872307abbd
1 changed files with 6 additions and 1 deletions
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7
drivers/net/phy/mdio-mux-bcm-iproc.c
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@ -288,8 +288,13 @@ static int mdio_mux_iproc_suspend(struct device *dev)
static int mdio_mux_iproc_resume(struct device *dev)
{
struct iproc_mdiomux_desc *md = dev_get_drvdata(dev);
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;