net: phy: mdio-mux-bcm-iproc: check clk_prepare_enable() return value
[ Upstream commit5.4-rM2-2.2.x-imx-squashed872307abbd
] Check clk_prepare_enable() return value. Fixes:2c7230446b
("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>
parent
f806b9e840
commit
522d2dc179
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@ -288,8 +288,13 @@ static int mdio_mux_iproc_suspend(struct device *dev)
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static int mdio_mux_iproc_resume(struct device *dev)
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{
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struct iproc_mdiomux_desc *md = dev_get_drvdata(dev);
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int rc;
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clk_prepare_enable(md->core_clk);
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rc = clk_prepare_enable(md->core_clk);
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if (rc) {
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dev_err(md->dev, "failed to enable core clk\n");
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return rc;
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}
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mdio_mux_iproc_config(md);
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return 0;
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