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Wed, 30 Oct 2024 13:37:50 +0000 From: Josua Mayer Date: Wed, 30 Oct 2024 14:37:44 +0100 Subject: [PATCH v2 2/2] mmc: host: sdhci-esdhc-imx: update esdhc sysctl dtocv bitmask Message-Id: <20241030-imx-emmc-reset-v2-2-b3a823393974@solid-run.com> References: <20241030-imx-emmc-reset-v2-0-b3a823393974@solid-run.com> In-Reply-To: <20241030-imx-emmc-reset-v2-0-b3a823393974@solid-run.com> To: Adrian Hunter , Haibo Chen , Ulf Hansson , Shawn Guo , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam Cc: Mikhail Anikin , Jon Nettleton , Yazan Shhady , Rabeeh Khoury , imx@lists.linux.dev, linux-mmc@vger.kernel.org, s32@nxp.com, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Josua Mayer X-Mailer: b4 0.14.2 X-ClientProxiedBy: FR0P281CA0165.DEUP281.PROD.OUTLOOK.COM (2603:10a6:d10:b3::13) To AM9PR04MB7586.eurprd04.prod.outlook.com (2603:10a6:20b:2d5::17) Precedence: bulk X-Mailing-List: imx@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: AM9PR04MB7586:EE_|DU2PR04MB9097:EE_ X-MS-Office365-Filtering-Correlation-Id: 93c4eef2-d44a-4a48-262d-08dcf8e80c62 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|366016|1800799024|52116014|7416014|376014|38350700014; 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Currently the driver accesses those bits by 32-bit write using SDHCI_TIMEOUT_CONTROL (0x2E) defined in drivers/mmc/host/sdhci.h. This is offset by two bytes relative to uSDHCx_SYS_CTRL (0x2C). The driver also defines ESDHC_SYS_CTRL_DTOCV_MASK as first 4 bits, which is correct relative to SDHCI_TIMEOUT_CONTROL but not relative to uSDHCx_SYS_CTRL. The definition carrying control register in its name is therefore inconsistent. Update the bitmask definition for bits 16-19 to be correct relative to control register base. Update the esdhc_set_timeout function to set timeout value at control register base, not timeout offset. This solves a purely cosmetic problem. Signed-off-by: Josua Mayer --- drivers/mmc/host/sdhci-esdhc-imx.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/mmc/host/sdhci-esdhc-imx.c b/drivers/mmc/host/sdhci-esdhc-imx.c index a830d9a9490408d3148b927bf1acc719a13e8975..101feabb24fb41bd10a2e796f4f3f8d4357dc245 100644 --- a/drivers/mmc/host/sdhci-esdhc-imx.c +++ b/drivers/mmc/host/sdhci-esdhc-imx.c @@ -30,10 +30,10 @@ #include "sdhci-esdhc.h" #include "cqhci.h" -#define ESDHC_SYS_CTRL_DTOCV_MASK 0x0f #define ESDHC_CTRL_D3CD 0x08 #define ESDHC_BURST_LEN_EN_INCR (1 << 27) #define ESDHC_SYS_CTRL 0x2c +#define ESDHC_SYS_CTRL_DTOCV_MASK GENMASK(19, 16) #define ESDHC_SYS_CTRL_IPP_RST_N BIT(23) /* VENDOR SPEC register */ #define ESDHC_VENDOR_SPEC 0xc0 @@ -1387,7 +1387,7 @@ static void esdhc_set_timeout(struct sdhci_host *host, struct mmc_command *cmd) /* use maximum timeout counter */ esdhc_clrset_le(host, ESDHC_SYS_CTRL_DTOCV_MASK, - esdhc_is_usdhc(imx_data) ? 0xF : 0xE, + esdhc_is_usdhc(imx_data) ? 0x0F0000 : 0x0E0000, SDHCI_TIMEOUT_CONTROL); }