[PATCH RFC 5/6] ARM: pxa: Convert Spitz hsync to GPIO descriptors
Andy Shevchenko
andy at kernel.org
Mon Sep 25 00:36:40 PDT 2023
On Sun, Sep 24, 2023 at 06:42:58PM +0200, Duje Mihanović wrote:
> Sharp's Spitz still uses the legacy GPIO interface in its wait_for_hsync
We refer to the functions as wait_for_hsync().
> function.
>
> Convert it to use the GPIO descriptor interface.
...
> + hsync = gpiod_get(NULL, "hsync", GPIOD_IN);
> + if (IS_ERR(hsync))
> + pr_err("Failed to get hsync GPIO: %ld\n", PTR_ERR(hsync));
So, I didn't get, is this GPIO crucial for functioning or optional?
If the former, we need to stop here or bail out (if possible), do we?
Or should use _optional() API?
--
With Best Regards,
Andy Shevchenko
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