]> git.baikalelectronics.ru Git - kernel.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, 22 Feb 2023 11:50:33 +0000 (12:50 +0100)
commit6e5ac8c475fbfd22a6c39ebae0ff89e76c256995
treedaaa197bbe0de8ac1726d7f00ebc35c6b9485904
parenta12fb87a183e83c99bd5169f42621a5710543a50
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: dd018432233c ("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