lkml.org 
[lkml]   [2022]   [Aug]   [22]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH v3] platform/chrome: cros_ec: Send host event for prepare/complete
On Mon, Aug 22, 2022 at 10:21:47AM -0600, Tim Van Patten wrote:
> On Wed, Aug 17, 2022 at 10:08 PM Tzung-Bi Shih <tzungbi@kernel.org> wrote:
> >
> > On Tue, Aug 02, 2022 at 11:40:08AM -0600, Tim Van Patten wrote:
> > > Update cros_ec_lpc_pm_ops to call cros_ec_lpc_prepare() during PM
> > > .prepare() and cros_ec_lpc_complete() during .complete(). This allows the
> > > EC to log entry/exit of AP's suspend/resume more accurately.
> >
> > As what I commented on [1], the term "host event" in the commit title is
> > confusing. Also, as this is a cros_ec_lpc specific patch, please change
> > the prefix.
>
> I've updated the prefix to "cros_ec_lpc" and the title/description to
> indicate that this CL moves when the host event is sent to
> .prepare()/.complete().
>
> > [1]: https://patchwork.kernel.org/project/chrome-platform/patch/20220706205136.v2.1.Ic7a7c81f880ab31533652e0928aa6e687bb268b5@changeid/#24934911

I'm not sure if any unclear. "host event" is a terminology for CrOS EC.
The usage here is confusing.

> >
> > > -static int cros_ec_lpc_resume(struct device *dev)
> > > +static void cros_ec_lpc_complete(struct device *dev)
> > > {
> > > struct cros_ec_device *ec_dev = dev_get_drvdata(dev);
> > > + int ret;
> > > +
> > > + ret = cros_ec_resume(ec_dev);
> > >
> > > - return cros_ec_resume(ec_dev);
> > > + dev_info(dev, "EC resume completed: ret = %d\n", ret);
> >
> > cros_ec_resume() always returns 0.
>
> Yes, it always returns 0 today, but that may not be the case forever.
> While "ret" is not returned by cros_ec_resume() today, it's possible
> for it to be non-zero and someone may update cros_ec_resume() to
> return that status.

Does it really need to print if `ret` is always 0?

\
 
 \ /
  Last update: 2022-08-23 04:50    [W:0.096 / U:0.180 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site