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authorShawn Guo <shawn.guo@linaro.org>2015-02-25 22:53:38 +0800
committerStephen Boyd <sboyd@codeaurora.org>2015-03-11 16:00:41 -0700
commitaaa6d06282a749d0df8e5e22e73f8a3372f96853 (patch)
tree4b3d132133527c647b04c86b682fe3623cf135aa /sound/soc/kirkwood
parent81efec851477957f964f9978921d5ae36d521d45 (diff)
ASoC: kirkwood: fix struct clk pointer comparing
Since commit 035a61c314eb ("clk: Make clk API return per-user struct clk instances"), clk API users can no longer check if two struct clk pointers are pointing to the same hardware clock, i.e. struct clk_hw, by simply comparing two pointers. That's because with the per-user clk change, a brand new struct clk is created whenever clients try to look up the clock by calling clk_get() or sister functions like clk_get_sys() and of_clk_get(). This changes the original behavior where the struct clk is only created for once when clock driver registers the clock to CCF in the first place. The net change here is before commit 035a61c314eb the struct clk pointer is unique for given hardware clock, while after the commit the pointers returned by clk lookup calls become different for the same hardware clock. That said, the struct clk pointer comparing in the code doesn't work any more. Call helper function clk_is_match() instead to fix the problem. Signed-off-by: Shawn Guo <shawn.guo@linaro.org> Signed-off-by: Michael Turquette <mturquette@linaro.org> Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Diffstat (limited to 'sound/soc/kirkwood')
-rw-r--r--sound/soc/kirkwood/kirkwood-i2s.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/sound/soc/kirkwood/kirkwood-i2s.c b/sound/soc/kirkwood/kirkwood-i2s.c
index def7d8260c4e..d19483081f9b 100644
--- a/sound/soc/kirkwood/kirkwood-i2s.c
+++ b/sound/soc/kirkwood/kirkwood-i2s.c
@@ -579,7 +579,7 @@ static int kirkwood_i2s_dev_probe(struct platform_device *pdev)
if (PTR_ERR(priv->extclk) == -EPROBE_DEFER)
return -EPROBE_DEFER;
} else {
- if (priv->extclk == priv->clk) {
+ if (clk_is_match(priv->extclk, priv->clk)) {
devm_clk_put(&pdev->dev, priv->extclk);
priv->extclk = ERR_PTR(-EINVAL);
} else {