]> git.ipfire.org Git - thirdparty/kernel/linux.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)
committerKrzysztof Kozlowski <krzk@kernel.org>
Thu, 27 Nov 2025 15:07:16 +0000 (16:07 +0100)
commit2ff147fdfa99b8cbb8c2833e685fde7c42580ae6
tree43012af9acb0d69b0bf1a51bd9bb1144deb4240f
parent97cc9c346b2c9cde075b9420fc172137d2427711
ARM: dts: samsung: exynos4412-midas: turn off SDIO WLAN chip during system suspend

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>
arch/arm/boot/dts/samsung/exynos4412-midas.dtsi