ARM: dts: Add keep-power-in-suspend to WiFi SDIO node for exynos5250-snow
The Marvell mwifiex driver prevents the system to enter into a suspend state if the card power is not preserved during a suspend/resume cycle. So Suspend-to-RAM and Suspend-to-idle are failing on Exynos5250 Snow. Add the keep-power-in-suspend Power Management property to the SDIO/MMC node so the mwifiex suspend handler doesn't fail and the system is able to enter into a suspend state. Signed-off-by: NJavier Martinez Canillas <javier.martinez@collabora.co.uk> Reviewed-by: NDoug Anderson <dianders@chromium.org> Signed-off-by: NKukjin Kim <kgene@kernel.org>
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