ARM: dts: Add cap-sdio-irq to wifi mmc node for exynos5250-snow

Enabling SDIO IRQ signalling for the wifi MMC/SDIO slot
doubles the transmission transfer rate.

Signed-off-by: Javier Martinez Canillas <javier.martinez@collabora.co.uk>
Signed-off-by: Kukjin Kim <kgene@kernel.org>

diff --git a/arch/arm/boot/dts/exynos5250-snow.dts b/arch/arm/boot/dts/exynos5250-snow.dts
index b787120..909edc3 100644 (file)
--- a/arch/arm/boot/dts/exynos5250-snow.dts
+++ b/arch/arm/boot/dts/exynos5250-snow.dts
@@ -539,6 +539,7 @@
        status = "okay";
        num-slots = <1>;
        broken-cd;
+       cap-sdio-irq;
        card-detect-delay = <200>;
        samsung,dw-mshc-ciu-div = <3>;
        samsung,dw-mshc-sdr-timing = <2 3>;