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Sun, 8 Nov 2020 21:21:40 +0000 Received: from AM6PR04MB5685.eurprd04.prod.outlook.com ([fe80::c62:742e:bcca:e226]) by AM6PR04MB5685.eurprd04.prod.outlook.com ([fe80::c62:742e:bcca:e226%4]) with mapi id 15.20.3499.032; Sun, 8 Nov 2020 21:21:40 +0000 From: Vladimir Oltean To: Michael Walle Subject: Re: [RFC PATCH v3 9/9] arm64: dts: lx2160a: fix FlexSPI clock Thread-Topic: [RFC PATCH v3 9/9] arm64: dts: lx2160a: fix FlexSPI clock Thread-Index: AQHWtgAtKyW9G4asMEKhHnQyvrTE46m+vkqA Date: Sun, 8 Nov 2020 21:21:40 +0000 Message-ID: <20201108212139.ht22zdk27pyxv6wc@skbuf> References: <20201108185113.31377-1-michael@walle.cc> <20201108185113.31377-10-michael@walle.cc> In-Reply-To: <20201108185113.31377-10-michael@walle.cc> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: authentication-results: walle.cc; dkim=none (message not signed) header.d=none;walle.cc; dmarc=none action=none header.from=nxp.com; x-originating-ip: [188.25.2.177] x-ms-publictraffictype: Email x-ms-office365-filtering-ht: Tenant x-ms-office365-filtering-correlation-id: 7d417aa5-7061-4d27-d5b2-08d8842c48b9 x-ms-traffictypediagnostic: AM6PR0402MB3944: x-ms-exchange-transport-forked: True x-microsoft-antispam-prvs: x-ms-oob-tlc-oobclassifiers: OLM:10000; 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Lu" , Shawn Guo , "linux-clk@vger.kernel.org" , "linux-arm-kernel@lists.infradead.org" Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Sun, Nov 08, 2020 at 07:51:13PM +0100, Michael Walle wrote: > Now that we have a proper driver for the FlexSPI interface use it. This > will fix SCK frequency switching on Layerscape SoCs. > > Signed-off-by: Michael Walle > --- > Thanks to Vladimir Oltean, this was partially tested on a LX2160A RDB. But > this patch is marked as RFC nonetheless, because there is too much > difference in the clock tree between LS1028A and LX2160A. It would be nice > if someone could test it and add a Tested-by. You want someone to probe the SCK frequency? I expect that if frequency switching works on LS1028A, and the lx2160a_flexspi_divs table is correct (which, based on the documentation for FlexSPICR1[FlexSPI_CLK_DIV], it is), then it would work on LX2160A too? Is there a simple test that can be made in order to trivially determine whether the frequencies are correct? _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel