On Fri, Jul 26, 2019 at 09:00:28AM -0500, Pierre-Louis Bossart wrote:
>
>
> On 7/26/19 4:35 AM, Cezary Rojewski wrote:
> > On 2019-07-26 01:39, Pierre-Louis Bossart wrote:
> > > +static void intel_debugfs_init(struct sdw_intel *sdw)
> > > +{
> > > + struct dentry *root = sdw->cdns.bus.debugfs;
> > > +
> > > + if (!root)
> > > + return;
> > > +
> > > + sdw->fs = debugfs_create_dir("intel-sdw", root);
> > > + if (IS_ERR_OR_NULL(sdw->fs)) {
> > > + dev_err(sdw->cdns.dev, "debugfs root creation failed\n");
> > > + sdw->fs = NULL;
> > > + return;
> > > + }
> > > +
> > > + debugfs_create_file("intel-registers", 0400, sdw->fs, sdw,
> > > + &intel_reg_fops);
> > > +
> > > + sdw_cdns_debugfs_init(&sdw->cdns, sdw->fs);
> > > +}
> >
> > I believe there should be dummy equivalent of _init and _exit if debugfs
> > is not enabled (if these are defined already and I've missed it, please
> > ignore).
>
> I think the direction is just to keep going if there is an error or debufs
> is not enabled.
You should not care either way :)
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