ARM: dts: bcm2837: Fix polarity of wifi reset GPIOs
authorStefan Wahren <stefan.wahren@i2se.com>
Mon, 3 Dec 2018 18:37:08 +0000 (19:37 +0100)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Wed, 19 Dec 2018 18:19:51 +0000 (19:19 +0100)
commitbea8a160c621d19f7f78b13e14e03f4b8e44cd4b
tree2d8f8539c8dd23601af00a27ea95e2bd98cb89c3
parent0017698d34b08d221a02dbb92d57f9d654b929ae
ARM: dts: bcm2837: Fix polarity of wifi reset GPIOs

commit e25b6783c7b1bb79103d4617336879423f86b05e upstream.

The commit b1b8f45b3130 ("ARM: dts: bcm2837: Add missing GPIOs of Expander")
introduced a wifi power sequence. Unfortunately the polarity of the reset
GPIOs were wrong and broke the wifi support on Raspberry Pi 3 B and
later in 3 B+. This wasn't discovered before since the power sequence
takes only effect in case the relevant MMC driver is compiled as a module.

Fixes: b1b8f45b3130 ("ARM: dts: bcm2837: Add missing GPIOs of Expander")
Cc: stable@vger.kernel.org
Reported-by: Matthias Lueschner <lueschem@gmail.com>
Link: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=911443
Signed-off-by: Stefan Wahren <stefan.wahren@i2se.com>
Reviewed-by: Eric Anholt <eric@anholt.net>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
arch/arm/boot/dts/bcm2837-rpi-3-b-plus.dts
arch/arm/boot/dts/bcm2837-rpi-3-b.dts