Re: [PATCH v3 3/3] drm: bridge: anx78xx: Add anx78xx driver support.

From: Emil Velikov
Date: Thu Apr 14 2016 - 10:06:32 EST


Hi Enric,

On 14 April 2016 at 14:42, Enric Balletbo i Serra
<enric.balletbo@xxxxxxxxxxxxx> wrote:
> The patch was implemented first without OR'ing error codes. The reason why I
> changed this is because I received the comments that checking the error on
> every regmap_* didn't help the readability of the driver and is likely to
> not fail if the first call doesn't fail.
>
> For example, originally the code was like this:
> http://pastebin.com/rPgyji8k
> but I changed to this
> http://pastebin.com/rPgyji8k
>
Both links are the same ;-) But I believe we all get what you meant.

Just a side note: many other drivers in DRM subsystem, inconsistently
check the return value of the regmap API. Note sure how likely is any
of it [regmap_foo] to fail and/or how determined people are to handle
every possible error case.

-Emil