Messages in this thread | | | From | Michael Ellerman <> | Subject | Re: [v3, 1/4] powerpc: wii: Explicitly configure GPIO owner for poweroff pin | Date | Sun, 1 Apr 2018 01:03:45 +1100 (AEDT) |
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On Fri, 2018-02-09 at 12:07:28 UTC, =?utf-8?q?Jonathan_Neusch=C3=A4fer?= wrote: > The Hollywood chipset's GPIO controller has two sets of registers: One > for access by the PowerPC CPU, and one for access by the ARM coprocessor > (but both are accessible from the PPC because the memory firewall > (AHBPROT) is usually disabled when booting Linux, today). > > The wii_power_off function currently assumes that the poweroff GPIO pin > is configured for use via the ARM side, but the upcoming GPIO driver > configures all pins for use via the PPC side, breaking poweroff. > > Configure the owner register explicitly in wii_power_off to make > wii_power_off work with and without the new GPIO driver. > > I think the Wii can be switched to the generic gpio-poweroff driver, > after the GPIO driver is merged. > > Signed-off-by: Jonathan NeuschÀfer <j.neuschaefer@gmx.net>
Patches 1, 3 and 4 applied to powerpc next, thanks.
https://git.kernel.org/powerpc/c/9cbaaec1cf0c9f4861c4c1dd65f3ed
cheers
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