]> git.ipfire.org Git - thirdparty/kernel/stable.git/commit
ARM: dts: samsung: exynos4412-midas: turn off SDIO WLAN chip during system suspend
authorMarek Szyprowski <m.szyprowski@samsung.com>
Wed, 26 Nov 2025 10:26:18 +0000 (11:26 +0100)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Thu, 18 Dec 2025 13:03:25 +0000 (14:03 +0100)
commited3cc640b4f1662e7b4a8941bead6779f2d48cb3
treef95c92ed6e06d760b20b7b4c8c5585d5ee4eb022
parentb4eb208dee57dc51d3a7002334b3dfb23cf2ce16
ARM: dts: samsung: exynos4412-midas: turn off SDIO WLAN chip during system suspend

[ Upstream commit 2ff147fdfa99b8cbb8c2833e685fde7c42580ae6 ]

Commit 8c3170628a9c ("wifi: brcmfmac: keep power during suspend if board
requires it") changed default behavior of the BRCMFMAC driver, which now
keeps SDIO card powered during system suspend to enable optional support
for WOWL. This feature is not supported by the legacy Exynos4 based
boards and leads to WLAN disfunction after system suspend/resume cycle.
Fix this by annotating SDIO host used by WLAN chip with
'cap-power-off-card' property, which should have been there from the
beginning.

Fixes: f77cbb9a3e5d ("ARM: dts: exynos: Add bcm4334 device node to Trats2")
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Link: https://patch.msgid.link/20251126102618.3103517-5-m.szyprowski@samsung.com
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
arch/arm/boot/dts/samsung/exynos4412-midas.dtsi