Message ID | 20241105161820.32512-1-jiashengjiangcool@gmail.com (mailing list archive) |
---|---|
State | New |
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charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "Linux-rockchip" <linux-rockchip-bounces@lists.infradead.org> Errors-To: linux-rockchip-bounces+linux-rockchip=archiver.kernel.org@lists.infradead.org |
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[v2,1/3] i2c: lpc2k: Add check for clk_enable()
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diff --git a/drivers/i2c/busses/i2c-lpc2k.c b/drivers/i2c/busses/i2c-lpc2k.c index 9fb33cbf7419..0fe7d4421a31 100644 --- a/drivers/i2c/busses/i2c-lpc2k.c +++ b/drivers/i2c/busses/i2c-lpc2k.c @@ -442,8 +442,12 @@ static int i2c_lpc2k_suspend(struct device *dev) static int i2c_lpc2k_resume(struct device *dev) { struct lpc2k_i2c *i2c = dev_get_drvdata(dev); + int ret; + + ret = clk_enable(i2c->clk); + if (ret) + return dev_err_probe(dev, ret, "failed to enable clock: %d\n", ret); - clk_enable(i2c->clk); i2c_lpc2k_reset(i2c); return 0;
Add check for the return value of clk_enable() in order to catch the potential exception. Signed-off-by: Jiasheng Jiang <jiashengjiangcool@gmail.com> --- Changelog: v1 -> v2: 1. Remove the Fixes tag. 2. Use dev_err_probe to simplify error handling. --- drivers/i2c/busses/i2c-lpc2k.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-)