On 03/21/2018 07:08 AM, Bartosz Golaszewski wrote:
From: Bartosz Golaszewski <bgolaszewski@xxxxxxxxxxxx> The davinci platform is being switched to using the common clock framework, where clk_enable() can fail. Add the return value check. Signed-off-by: Bartosz Golaszewski <bgolaszewski@xxxxxxxxxxxx> --- drivers/remoteproc/da8xx_remoteproc.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) diff --git a/drivers/remoteproc/da8xx_remoteproc.c b/drivers/remoteproc/da8xx_remoteproc.c index bf3b9034c319..592bf0fc52e8 100644 --- a/drivers/remoteproc/da8xx_remoteproc.c +++ b/drivers/remoteproc/da8xx_remoteproc.c @@ -138,6 +138,7 @@ static int da8xx_rproc_start(struct rproc *rproc) struct device *dev = rproc->dev.parent; struct da8xx_rproc *drproc = (struct da8xx_rproc *)rproc->priv; struct clk *dsp_clk = drproc->dsp_clk; + int rv;
For style points, you could use ret instead of rv to be consistent with the rest of this driver.
/* hw requires the start (boot) address be on 1KB boundary */if (rproc->bootaddr & 0x3ff) { @@ -148,7 +149,12 @@ static int da8xx_rproc_start(struct rproc *rproc)writel(rproc->bootaddr, drproc->bootreg); - clk_enable(dsp_clk);+ rv = clk_enable(dsp_clk); + if (rv) { + dev_err(dev, "clk_enable() failed: %d\n", rv); + return rv; + } + davinci_clk_reset_deassert(dsp_clk);return 0;
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