Re: [PATCH] gpio: dwapb: Add support for a bus clock

[Andy Shevchenko]

On Fri, Mar 9, 2018 at 12:34 PM, Phil Edworthy
<phil.edworthy@xxxxxxxxxxx> wrote:
> From: Michel Pollet <michel.pollet@xxxxxxxxxxxxxx>
>
> Enable specified clocks from DTS, if any.
>
> Signed-off-by: Michel Pollet <michel.pollet@xxxxxxxxxxxxxx>

>  #include <linux/spinlock.h>
>  #include <linux/platform_data/gpio-dwapb.h>
>  #include <linux/slab.h>
> +#include <linux/clk.h>

Keep in order.


> +       clk = devm_clk_get(&pdev->dev, NULL);
> +       if (!IS_ERR(clk) && clk_prepare_enable(clk))
> +               dev_info(&pdev->dev, "no clock source\n");

First of all, it shadows any error from clk_prepare_enable(), second,
it misses the clock name.
Next, I don't see how you managed the clock during PM and / or
->remove() operation.

-- 
With Best Regards,
Andy Shevchenko