Messages in this thread | | | Date | Tue, 6 Aug 2019 22:26:35 -0400 | From | Sasha Levin <> | Subject | Re: [PATCH 4.19 02/74] ARM: dts: rockchip: Make rk3288-veyron-minnie run at hs200 |
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On Mon, Aug 05, 2019 at 04:41:12PM +0200, Pavel Machek wrote: >Hi! > >> [ 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. > >This may not be suitable for stable. So... hs200 started working in >mainline sometime. That does not mean it was fixed in all the various >stable trees, too. > >How was this tested in respective -stable releases?
If you know of any other patches required on older stable kernels to make this work I'll be more than happy to take them...
-- Thanks, Sasha
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