Re: [PATCH 3/3] drivers: use probe_err function in obvious cases
From: Andrzej Hajda
Date: Wed Oct 17 2018 - 05:11:06 EST
On 16.10.2018 15:51, Andy Shevchenko wrote:
> On Tue, Oct 16, 2018 at 10:22 AM Andrzej Hajda <a.hajda@xxxxxxxxxxx> wrote:
>> The patch replaces obviously matching code with probe_err function.
>> There are many more places where probe_err could be used.
>> The patch shows how the new function should be used, and how it
>> improves the code.
>> --- a/drivers/gpio/gpio-pca953x.c
>> +++ b/drivers/gpio/gpio-pca953x.c
>> @@ -824,9 +824,7 @@ static int pca953x_probe(struct i2c_client *client,
>> reg = devm_regulator_get(&client->dev, "vcc");
>> if (IS_ERR(reg)) {
>> ret = PTR_ERR(reg);
>> - if (ret != -EPROBE_DEFER)
>> - dev_err(&client->dev, "reg get err: %d\n", ret);
>> - return ret;
>> + return probe_err(&client->dev, ret, "reg get err: %d\n", ret);
> No need to assign ret above.
> As I mentioned, better to print a value for everyone.
OK.
Thanks for all reviews. I have posted v2 of patches 1 and 2 as replies
in this thread.
As patch 3 requires splitting, adjusting arguments of probe_err (remove
err and newline), and depends on patch 1 I will prepare it and post
later, probably next cycle as suggested Javier.
Regards
Andrzej
>
>> }
> Please, split it at least one patch per subsystem.
>