| From 04d12f620a22eebe4698136086c39212ea027b20 Mon Sep 17 00:00:00 2001 |
| From: Douglas Anderson <dianders@chromium.org> |
| Date: Fri, 3 May 2019 16:41:42 -0700 |
| Subject: ARM: dts: rockchip: Make rk3288-veyron-minnie run at hs200 |
| |
| [ Upstream commit 1c0479023412ab7834f2e98b796eb0d8c627cd62 ] |
| |
| As some point hs200 was failing on rk3288-veyron-minnie. See commit |
| 984926781122 ("ARM: dts: rockchip: temporarily remove emmc hs200 speed |
| from rk3288 minnie"). Although I didn't track down exactly when it |
| started working, it seems to work OK now, so let's turn it back on. |
| |
| To test this, I booted from SD card and then used this script to |
| stress the enumeration process after fixing a memory leak [1]: |
| cd /sys/bus/platform/drivers/dwmmc_rockchip |
| for i in $(seq 1 3000); do |
| echo "========================" $i |
| echo ff0f0000.dwmmc > unbind |
| sleep .5 |
| echo ff0f0000.dwmmc > bind |
| while true; do |
| if [ -e /dev/mmcblk2 ]; then |
| break; |
| fi |
| sleep .1 |
| done |
| done |
| |
| It worked fine. |
| |
| [1] https://lkml.kernel.org/r/20190503233526.226272-1-dianders@chromium.org |
| |
| Signed-off-by: Douglas Anderson <dianders@chromium.org> |
| Signed-off-by: Heiko Stuebner <heiko@sntech.de> |
| Signed-off-by: Sasha Levin <sashal@kernel.org> |
| --- |
| arch/arm/boot/dts/rk3288-veyron-minnie.dts | 4 ---- |
| 1 file changed, 4 deletions(-) |
| |
| diff --git a/arch/arm/boot/dts/rk3288-veyron-minnie.dts b/arch/arm/boot/dts/rk3288-veyron-minnie.dts |
| index f72d616d1bf8d..9647d9b6b299c 100644 |
| --- a/arch/arm/boot/dts/rk3288-veyron-minnie.dts |
| +++ b/arch/arm/boot/dts/rk3288-veyron-minnie.dts |
| @@ -125,10 +125,6 @@ |
| power-supply = <&backlight_regulator>; |
| }; |
| |
| -&emmc { |
| - /delete-property/mmc-hs200-1_8v; |
| -}; |
| - |
| &gpio_keys { |
| pinctrl-0 = <&pwr_key_l &ap_lid_int_l &volum_down_l &volum_up_l>; |
| |
| -- |
| 2.20.1 |
| |