]> git.ipfire.org Git - thirdparty/kernel/stable.git/commit
arm64: dts: meson-g12-common: Make mmc host controller interrupts level-sensitive
authorHeiner Kallweit <hkallweit1@gmail.com>
Thu, 9 Feb 2023 20:11:10 +0000 (21:11 +0100)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Wed, 15 Feb 2023 16:22:27 +0000 (17:22 +0100)
commit5bfc8f09619a9c31f812d85efe13091afede97bc
treebcb4e6f7cbf3f98362a634505577f9f2223cecf0
parent809f4acb7f015e087c60ea74b935e24a16779b0a
arm64: dts: meson-g12-common: Make mmc host controller interrupts level-sensitive

commit ac8db4cceed218cca21c84f9d75ce88182d8b04f upstream.

The usage of edge-triggered interrupts lead to lost interrupts under load,
see [0]. This was confirmed to be fixed by using level-triggered
interrupts.
The report was about SDIO. However, as the host controller is the same
for SD and MMC, apply the change to all mmc controller instances.

[0] https://www.spinics.net/lists/linux-mmc/msg73991.html

Fixes: 4759fd87b928 ("arm64: dts: meson: g12a: add mmc nodes")
Tested-by: FUKAUMI Naoki <naoki@radxa.com>
Tested-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Tested-by: Jerome Brunet <jbrunet@baylibre.com>
Cc: stable@vger.kernel.org
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Acked-by: Neil Armstrong <neil.armstrong@linaro.org>
Link: https://lore.kernel.org/r/27d89baa-b8fa-baca-541b-ef17a97cde3c@gmail.com
Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
arch/arm64/boot/dts/amlogic/meson-g12-common.dtsi