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remoteproc/davinci: add the missing retval check for clk_enable() 

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@baylibre.com>
Acked-by: Suman Anna <s-anna@ti.com>
Reviewed-by: David Lechner <david@lechnology.com>
Reviewed-by: Sekhar Nori <nsekhar@ti.com>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
This commit is contained in:
Bartosz Golaszewski 2018-05-02 11:56:57 +02:00 committed by Bjorn Andersson
parent 9935448e20
commit 2310eae90f
1 changed files with 7 additions and 1 deletions
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8
drivers/remoteproc/da8xx_remoteproc.c
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@ -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 ret;
/* 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);
ret = clk_enable(dsp_clk);
if (ret) {
dev_err(dev, "clk_enable() failed: %d\n", ret);
return ret;
}
davinci_clk_reset_deassert(dsp_clk);
return 0;