| Message ID | 20250228143341.70244-1-liujianfeng1994@gmail.com (mailing list archive) |
|---|---|
| State | New |
| Headers | show |
| Series | arm64: dts: rockchip: slow down emmc freq for rock 5 itx | expand |
On Fri, 28 Feb 2025 22:33:08 +0800, Jianfeng Liu wrote: > The current max-frequency 200000000 of emmc is not stable. When doing > heavy write there will be I/O Error. After setting max-frequency to > 150000000 the emmc is stable under write. > > Also remove property mmc-hs200-1_8v because we are already running at > HS400 mode. > > [...] Applied, thanks! [1/1] arm64: dts: rockchip: slow down emmc freq for rock 5 itx commit: b36402e4a0772d1b3da06a4f5fbd1cfe4d6f1cc0 Best regards,
diff --git a/arch/arm64/boot/dts/rockchip/rk3588-rock-5-itx.dts b/arch/arm64/boot/dts/rockchip/rk3588-rock-5-itx.dts index 253b23ea9fba..bcefe5356936 100644 --- a/arch/arm64/boot/dts/rockchip/rk3588-rock-5-itx.dts +++ b/arch/arm64/boot/dts/rockchip/rk3588-rock-5-itx.dts @@ -724,10 +724,9 @@ &saradc { &sdhci { bus-width = <8>; - max-frequency = <200000000>; + max-frequency = <150000000>; mmc-hs400-1_8v; mmc-hs400-enhanced-strobe; - mmc-hs200-1_8v; no-sdio; no-sd; non-removable;
The current max-frequency 200000000 of emmc is not stable. When doing heavy write there will be I/O Error. After setting max-frequency to 150000000 the emmc is stable under write. Also remove property mmc-hs200-1_8v because we are already running at HS400 mode. Tested with fio command: fio -filename=./test_randread -direct=1 -iodepth 1 -thread \ -rw=randwrite -ioengine=psync -bs=16k -size=1G -numjobs=10 \ -runtime=600 -group_reporting -name=mytest Signed-off-by: Jianfeng Liu <liujianfeng1994@gmail.com> --- arch/arm64/boot/dts/rockchip/rk3588-rock-5-itx.dts | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-)