From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.1 (2015-04-28) on sa.local.altlinux.org X-Spam-Level: X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00 autolearn=unavailable autolearn_force=no version=3.4.1 From: Anton Midyukov To: devel-kernel@lists.altlinux.org Date: Tue, 22 Apr 2025 13:04:48 +0300 Message-ID: X-Mailer: git-send-email 2.42.4 In-Reply-To: References: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: [d-kernel] [PATCH 29/30] arm64: dts: rockchip: slow down emmc freq for rock 5 itx X-BeenThere: devel-kernel@lists.altlinux.org X-Mailman-Version: 2.1.12 Precedence: list Reply-To: ALT Linux kernel packages development List-Id: ALT Linux kernel packages development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 22 Apr 2025 10:05:51 -0000 Archived-At: List-Archive: List-Post: From: Jianfeng Liu 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 Link: https://lore.kernel.org/r/20250228143341.70244-1-liujianfeng1994@gmail.com Signed-off-by: Heiko Stuebner (cherry picked from commit b36402e4a0772d1b3da06a4f5fbd1cfe4d6f1cc0) Signed-off-by: Anton Midyukov --- arch/arm64/boot/dts/rockchip/rk3588-rock-5-itx.dts | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) 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 d0b922b8d67e8..dd3aa97cd58c2 100644 --- a/arch/arm64/boot/dts/rockchip/rk3588-rock-5-itx.dts +++ b/arch/arm64/boot/dts/rockchip/rk3588-rock-5-itx.dts @@ -656,10 +656,9 @@ &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; -- 2.42.4