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Wed, 19 Feb 2020 13:11:24 +0000 Received: from VI1PR05MB3279.eurprd05.prod.outlook.com ([fe80::c14f:4592:515f:6e52]) by VI1PR05MB3279.eurprd05.prod.outlook.com ([fe80::c14f:4592:515f:6e52%7]) with mapi id 15.20.2729.032; Wed, 19 Feb 2020 13:11:24 +0000 Received: from localhost (194.105.145.90) by PR0P264CA0152.FRAP264.PROD.OUTLOOK.COM (2603:10a6:100:1b::20) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.2750.18 via Frontend Transport; Wed, 19 Feb 2020 13:11:24 +0000 From: Oleksandr Suvorov To: "devicetree@vger.kernel.org" Subject: [PATCH v2] ARM: dts: imx7-colibri: Fix frequency for sd/mmc Thread-Topic: [PATCH v2] ARM: dts: imx7-colibri: Fix frequency for sd/mmc Thread-Index: AQHV5yYW1MJ7wsEAJkO5IbqDZXMXGg== Date: Wed, 19 Feb 2020 13:11:24 +0000 Message-ID: <20200219131121.3565738-1-oleksandr.suvorov@toradex.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-clientproxiedby: PR0P264CA0152.FRAP264.PROD.OUTLOOK.COM (2603:10a6:100:1b::20) To VI1PR05MB3279.eurprd05.prod.outlook.com (2603:10a6:802:1c::24) authentication-results: spf=none (sender IP is ) smtp.mailfrom=oleksandr.suvorov@toradex.com; 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x-microsoft-antispam-message-info: bgUF27a0ElrK/IwiHJv0kndq0KBKg0mVI8ntY1Mj0JZ7874i5niwJ75ln2O+fb9mUmRceEX6eehgFHct6JCHF1N1oKn5BO6ynEVby2eAPQxGwots3qRN4rRrScAXr2ATw9ddJ31sN7vFYZjGAbYz+O8BCi9FvHzLXE9m7i4SNT8uvRcap+bmooS8ajVgNJcAYrv9UiXWac36oLsd2FrmjTr0LbsInfruahbYw67aHXXofh+9s6ojR9eHDZceTxlDNFm9KL2i2D/KXLXjCHchrUyQYV9HwpTbSm8ZQjv5h1rF3U5HpxEsFp6VzTfcLzdZ9Li5LlG4n/nx0x7l8AdhpfF4kiishAbChCM2xwntl0Q4y2bLAjzQ8HtYeTZzUeJHKUwWk844q3gyor/JcXmOcDIlYgzmKkhIaNARpYPQ8SZHVDDxr+KtCT8YY0mOPsHq x-ms-exchange-antispam-messagedata: /9lJU4AdTQlE3orF51R+ir7v8/4zebnr7aKOtJzMkw9Tc+gC6GFwBuHCypyFwfv1uwNdJ066n+ZH8dBP5bwqevp8gwwH3/pMrACZcyqnYH6a+L9xtJQbodwWeYgfXxXVmjSap4hBf7xX8rzJFETM5g== MIME-Version: 1.0 X-OriginatorOrg: toradex.com X-MS-Exchange-CrossTenant-Network-Message-Id: 264d84c1-21c1-452a-6cdb-08d7b53d38b7 X-MS-Exchange-CrossTenant-originalarrivaltime: 19 Feb 2020 13:11:24.7091 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: d9995866-0d9b-4251-8315-093f062abab4 X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: Egxs/DAC2qdsBAKy8+qDHrsDdabNZb5S1lCO1hnOIRaTpwHqGA+As+3qMeca2JvsRV2c3DR6iR81c0CDTQyb+RBlwOoI0wmryxTirjicUkg= X-MS-Exchange-Transport-CrossTenantHeadersStamped: VI1PR05MB6112 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200219_051129_011420_827FFC48 X-CRM114-Status: GOOD ( 10.48 ) X-Spam-Score: -0.2 (/) X-Spam-Report: SpamAssassin version 3.4.3 on bombadil.infradead.org summary: Content analysis details: (-0.2 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 RCVD_IN_DNSWL_NONE RBL: Sender listed at https://www.dnswl.org/, no trust [2a01:111:f400:fe05:0:0:0:700 listed in] [list.dnswl.org] -0.0 SPF_PASS SPF: sender matches SPF record -0.0 SPF_HELO_PASS SPF: HELO matches SPF record 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from envelope-from domain -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Mark Rutland , Marcel Ziswiler , Shawn Guo , Sascha Hauer , "linux-kernel@vger.kernel.org" , Stefan Agner , Oleksandr Suvorov , Philippe Schenker , Igor Opanyuk , Rob Herring , NXP Linux Team , Pengutronix Kernel Team , Fabio Estevam , "linux-arm-kernel@lists.infradead.org" Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org SD/MMC on Colibri iMX7S/D modules successfully support 200Mhz frequency in HS200 mode. Removing the unnecessary max-frequency limit significantly increases the performance: == before fix ==== root@colibri-imx7-emmc:~# hdparm -t /dev/mmcblk0 /dev/mmcblk0: Timing buffered disk reads: 252 MB in 3.02 seconds = 83.54 MB/sec ================== === after fix ==== root@colibri-imx7-emmc:~# hdparm -t /dev/mmcblk0 /dev/mmcblk0: Timing buffered disk reads: 408 MB in 3.00 seconds = 135.94 MB/sec ================== Fixes: f928a4a377e4 ("ARM: dts: imx7: add Toradex Colibri iMX7D 1GB (eMMC) support") Signed-off-by: Oleksandr Suvorov Reviewed-by: Fabio Estevam --- Changes in v2: - keep the Fixes tag in the single line arch/arm/boot/dts/imx7-colibri.dtsi | 1 - 1 file changed, 1 deletion(-) diff --git a/arch/arm/boot/dts/imx7-colibri.dtsi b/arch/arm/boot/dts/imx7-colibri.dtsi index d05be3f0e2a7..04717cf69db0 100644 --- a/arch/arm/boot/dts/imx7-colibri.dtsi +++ b/arch/arm/boot/dts/imx7-colibri.dtsi @@ -336,7 +336,6 @@ &usdhc3 { assigned-clock-rates = <400000000>; bus-width = <8>; fsl,tuning-step = <2>; - max-frequency = <100000000>; vmmc-supply = <®_module_3v3>; vqmmc-supply = <®_DCDC3>; non-removable;