linux-kernel - [PATCH RFC v1 0/2] pinctrl-meson: two small improvements

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Message-Id: <20200411170356.1578031-1-martin.blumenstingl@googlemail.com>
Date:   Sat, 11 Apr 2020 19:03:54 +0200
From:   Martin Blumenstingl <martin.blumenstingl@...glemail.com>
To:     linus.walleij@...aro.org, linux-gpio@...r.kernel.org,
        linux-amlogic@...ts.infradead.org
Cc:     linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        jbrunet@...libre.com,
        Martin Blumenstingl <martin.blumenstingl@...glemail.com>
Subject: [PATCH RFC v1 0/2] pinctrl-meson: two small improvements

While playing with audio output on Meson8b I found out that the
vendor kernel uses a custom version of the GPIO_PULL_UP flag. I
suspect that we will need this for audio support on Meson8b and/or
Meson8m2 but I don't see it hurt other platforms.

Also while comparing the register bits with the GPIO direction (of
GPIOs exported to sysfs) I sometimes had a mismatch. This also wires
up gpio_chip.get_direction to have sysfs and the actual registers in
sync.

Martin Blumenstingl (2):
  pinctrl: meson: implement the gpio_chip get_direction callback
  pinctrl: meson: wire up the gpio_chip's set_config callback

 drivers/pinctrl/meson/pinctrl-meson.c | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

-- 
2.26.0