[lkml]   [2020]   [Aug]   [28]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: [PATCH] of: of_match_node: Make stub an inline function to avoid W=1 warnings
On Fri, Aug 28, 2020 at 7:00 AM Andrew Lunn <> wrote:
> On Fri, Aug 28, 2020 at 04:19:39AM +0200, Andrew Lunn wrote:
> > When building without CONFIG_OF and W=1, errors are given about unused
> > arrays of match data, because of_match_node is stubbed as a macro. The
> > compile does not see it takes parameters when not astub, so it
> > generates warnings about unused variables. Replace the stub with an
> > inline function to avoid these false warnings.
> Hi Rob
> So 0-day shows some people have worked around this with #ifdef
> CONFIG_OF around the match table.
> I checked the object code for the file i'm interested in. The
> optimiser has correctly throw away the match table and all code around
> it with the inline stub.
> Which do you prefer? This patch and i remove the #ifdef, or the old
> stub and if add #ifdef around the driver i'm getting warnings from?

Use of_device_get_match_data instead of of_match_node.


 \ /
  Last update: 2020-08-29 01:10    [W:0.070 / U:3.888 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site