[PATCH 5/8] video: vt8500: Add devicetree support for vt8500-fb and wm8505-fb

Tony Prisk linux at prisktech.co.nz
Thu Aug 9 05:37:24 EST 2012


>On 08/07/2012 07:39 PM, Tony Prisk wrote:
>> Update vt8500-fb, wm8505-fb and wmt-ge-rops to support device
>> tree bindings.

>> Small change in wm8505-fb.c to support WM8650 framebuffer color
>> format.

>That might warrant a separate patch?

The patch consisted of changing one value in one line and is commented in
the source. I didn't think it justified a separate patch as it has been thoroughly
tested and is unlikely to cause any problems.

>> diff --git a/drivers/video/vt8500lcdfb.c b/drivers/video/vt8500lcdfb.c

>> +     np = of_find_node_by_name(NULL, "display");
>> +     if (!np) {
>> +             pr_err("%s: No display description in Device Tree\n", __func__);
>> +             ret = -EINVAL;
>> +             goto failed_free_res;
>> +     }

>I believe that using hard-coded node names is frowned upon. Better would
>be to put a phandle into the display controller's node that points at
>the node representing the display, e.g.:

Will do.

Regards
Tony Prisk


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