2015-05-05 22:52:53

by Kevin Cernekee

[permalink] [raw]
Subject: [PATCH] ASoC: tas571x: Eliminate redundant dev->of_node NULL check

of_match_device() checks if dev->of_node is NULL, so we don't need to do
it again in the probe function.

Signed-off-by: Kevin Cernekee <[email protected]>
---


This applies to the broonie/sound.git for-next branch.


sound/soc/codecs/tas571x.c | 13 ++++---------
1 file changed, 4 insertions(+), 9 deletions(-)

diff --git a/sound/soc/codecs/tas571x.c b/sound/soc/codecs/tas571x.c
index b187ea53a7f9..85bcc374c8e8 100644
--- a/sound/soc/codecs/tas571x.c
+++ b/sound/soc/codecs/tas571x.c
@@ -377,6 +377,7 @@ static int tas571x_i2c_probe(struct i2c_client *client,
{
struct tas571x_private *priv;
struct device *dev = &client->dev;
+ const struct of_device_id *of_id;
int i, ret;

priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
@@ -384,18 +385,12 @@ static int tas571x_i2c_probe(struct i2c_client *client,
return -ENOMEM;
i2c_set_clientdata(client, priv);

- if (dev->of_node) {
- const struct of_device_id *of_id;
-
- of_id = of_match_device(tas571x_of_match, dev);
- if (of_id)
- priv->chip = of_id->data;
- }
-
- if (!priv->chip) {
+ of_id = of_match_device(tas571x_of_match, dev);
+ if (!of_id) {
dev_err(dev, "Unknown device type\n");
return -EINVAL;
}
+ priv->chip = of_id->data;

priv->mclk = devm_clk_get(dev, "mclk");
if (IS_ERR(priv->mclk) && PTR_ERR(priv->mclk) != -ENOENT) {
--
2.2.0.rc0.207.ga3a616c


2015-05-06 10:37:58

by Mark Brown

[permalink] [raw]
Subject: Re: [PATCH] ASoC: tas571x: Eliminate redundant dev->of_node NULL check

On Tue, May 05, 2015 at 03:52:29PM -0700, Kevin Cernekee wrote:
> of_match_device() checks if dev->of_node is NULL, so we don't need to do
> it again in the probe function.

Applied, thanks.


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