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clk: qcom: Fix clk_get_parent function return value

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According to the common clock framework API, the clk_get_parent() function
should return u8. Currently we are returning negative values on error. Fix
this and use the default parent in case of an error.

Signed-off-by: Georgi Djakov <georgi.djakov@linaro.org>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
This commit is contained in:
Georgi Djakov
2015-03-20 18:30:24 +02:00
committed by Stephen Boyd
parent 0b21503dbb
commit 7f218978f1
2 changed files with 24 additions and 9 deletions
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7
drivers/clk/qcom/clk-rcg2.c
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@@ -69,7 +69,7 @@ static u8 clk_rcg2_get_parent(struct clk_hw *hw)
ret = regmap_read(rcg->clkr.regmap, rcg->cmd_rcgr + CFG_REG, &cfg);
if (ret)
return ret;
goto err;
cfg &= CFG_SRC_SEL_MASK;
cfg >>= CFG_SRC_SEL_SHIFT;
@@ -78,7 +78,10 @@ static u8 clk_rcg2_get_parent(struct clk_hw *hw)
if (cfg == rcg->parent_map[i])
return i;
return -EINVAL;
err:
pr_debug("%s: Clock %s has invalid parent, using default.\n",
__func__, __clk_get_name(hw->clk));
return 0;
}
static int update_config(struct clk_rcg2 *rcg)