Messages in this thread | | | From | Anand Moon <> | Date | Mon, 22 Nov 2021 14:34:26 +0530 | Subject | Re: [PATCH v3 2/3] usb: dwc3: meson-g12a: fix shared reset control use |
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Hi Amjad
On Sun, 21 Nov 2021 at 05:21, Martin Blumenstingl <martin.blumenstingl@googlemail.com> wrote: > > Hi Amjad, > > +Cc Anand who was also investigating the original issue one year ago > Thanks. > On Fri, Nov 12, 2021 at 5:33 PM Amjad Ouled-Ameur > <aouledameur@baylibre.com> wrote: > > > > > it seems that there's an extraneous blank line here > > > reset_control_(de)assert() calls are called on a shared reset line when > > reset_control_reset has been used. This is not allowed by the reset > > framework. > > > > Use reset_control_rearm() call in suspend() and remove() as a way to state > > that the resource is no longer used, hence the shared reset line > > may be triggered again by other devices. Use reset_control_rearm() also in > > case probe fails after reset() has been called. > > > > reset_control_rearm() keeps use of triggered_count sane in the reset > > framework, use of reset_control_reset() on shared reset line should be > > balanced with reset_control_rearm(). > > > > Signed-off-by: Amjad Ouled-Ameur <aouledameur@baylibre.com> > > Reported-by: Jerome Brunet <jbrunet@baylibre.com> > Reviewed-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Changes fix the warning messages on my odroid n2 during suspend / resume. Please add my Tested-by: Anand Moon <linux.amoon@gmail.com>
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