Messages in this thread | | | Date | Fri, 25 Nov 2022 08:11:14 +0200 | From | Mika Westerberg <> | Subject | Re: [PATCH v1 1/1] pinctrl: intel: Save and restore pins in "direct IRQ" mode |
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On Fri, Nov 25, 2022 at 12:29:26AM +0200, Andy Shevchenko wrote: > The firmware on some systems may configure GPIO pins to be > an interrupt source in so called "direct IRQ" mode. In such > cases the GPIO controller driver has no idea if those pins > are being used or not. At the same time, there is a known bug > in the firmwares that don't restore the pin settings correctly > after suspend, i.e. by an unknown reason the Rx value becomes > inverted. > > Hence, let's save and restore the pins that are configured > as GPIOs in the input mode with GPIROUTIOXAPIC bit set. > > Cc: stable@vger.kernel.org > Reported-and-tested-by: Dale Smith <dalepsmith@gmail.com> > Reported-and-tested-by: John Harris <jmharris@gmail.com> > BugLink: https://bugzilla.kernel.org/show_bug.cgi?id=214749 > Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Thanks Andy!
Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com>
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