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commit fa84667b98fd1a191b2465d66b440bda6714b3bf upstream.
This fixes the kernel complains:
gpio gpiochip1: (1e000600.gpio-bank1): detected irqchip that is shared
with multiple gpiochips: please fix the driver.
gpio gpiochip2: (1e000600.gpio-bank2): detected irqchip that is shared
with multiple gpiochips: please fix the driver.
Fixes: 4ba9c3afda41 ("gpio: mt7621: Add a driver for MT7621")
Cc: stable@vger.kernel.org
Signed-off-by: René van Dorst <opensource@vdorst.com>
Cc: linux-gpio@vger.kernel.org
Cc: linux-mediatek@lists.infradead.org
Tested-by: Greg Ungerer <gerg@kernel.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit a109c2dbb571b10bb9969285b646f57309c98251 ]
The error cases of mediatek_gpio_bank_probe() would go unnoticed (except
for the dev_err() messages). The probe function should return an error
if one of the banks failed to initialize properly indicated by
not returning non-0.
Fixes: 4ba9c3afda41 ("gpio: mt7621: Add a driver for MT7621")
Signed-off-by: Nicholas Mc Guire <hofrat@osadl.org>
Acked-by: Sean Wang <sean.wang@kernel.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 59d646c775d6ae688ee90fda9f2a4270c47b7490 ]
kasprintf() may return NULL on failure of internal allocation thus the
assigned label is not safe if not explicitly checked. On error
mediatek_gpio_bank_probe() returns negative values so -ENOMEM in the
(unlikely) failure case should be fine here.
Fixes: 4ba9c3afda41 ("gpio: mt7621: Add a driver for MT7621")
Signed-off-by: Nicholas Mc Guire <hofrat@osadl.org>
Reviewed-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Acked-by: Sean Wang <sean.wang@kernel.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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This fixes some syntactic nits that makes the GPIO maintainer
happier. It is way easier to show by example and do it myself
than to try to explain it with comments. It's just my personal
taste of minimalism.
Cc: Sergio Paracuellos <sergio.paracuellos@gmail.com>
Cc: NeilBrown <neil@brown.name>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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Add driver support for gpio of MT7621 SoC.
Signed-off-by: Sergio Paracuellos <sergio.paracuellos@gmail.com>
Reviewed-by: NeilBrown <neil@brown.name>
[Switched wording WIDTH to STRIDE]
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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