From patchwork Fri Oct 4 11:59:06 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?C=C3=A9dric_Le_Goater?= X-Patchwork-Id: 11174303 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 4F06D13B1 for ; Fri, 4 Oct 2019 12:01:40 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 2C1D920862 for ; Fri, 4 Oct 2019 12:01:40 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="VSRfBF0L" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 2C1D920862 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=kaod.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=8hnmrdGv5IiNccv/uyuAYdFODUQ1kh3aipIgLuYpJtU=; b=VSRfBF0LD7Esry dJMqH+gCgHy6oVmZjCCIXzANL1f8ZnrWXa65uDVeuhcKs3MBXeIL9KVIyxbLXw42GHzhCdV3EWyMa XrBjfkhjEuz1SlseoV1FNYY68Ymxvyjp9nGZnJXbHid3U3hdd4J7sDhiDD2XHs9JF97lmd1W8A74H MxZ17laF0A3wOI07+BWfpXGfESDvSvmrz7aMEjhC+pkMG8Gyyu5F4/hGoRjXAmskvZ1AnwAB9VVks AHY7QkhRU8Ep7q96Bb3wv1S6+JVXRO4oZ26ybldYtp3qIdu+QUULG+7Ks7Mi1J6fveqjPDmDSyga2 2gx/1bAgxoqxvyIEYscg==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.2 #3 (Red Hat Linux)) id 1iGMHB-0007OF-TE; Fri, 04 Oct 2019 12:01:37 +0000 Received: from 9.mo5.mail-out.ovh.net ([178.32.96.204]) by bombadil.infradead.org with esmtps (Exim 4.92.2 #3 (Red Hat Linux)) id 1iGMGF-0006UF-0I for linux-arm-kernel@lists.infradead.org; Fri, 04 Oct 2019 12:00:40 +0000 Received: from player792.ha.ovh.net (unknown [10.108.54.156]) by mo5.mail-out.ovh.net (Postfix) with ESMTP id 6E2612519FF for ; Fri, 4 Oct 2019 14:00:36 +0200 (CEST) Received: from kaod.org (lfbn-1-2229-223.w90-76.abo.wanadoo.fr [90.76.50.223]) (Authenticated sender: clg@kaod.org) by player792.ha.ovh.net (Postfix) with ESMTPSA id DC61FAA65A3C; Fri, 4 Oct 2019 12:00:19 +0000 (UTC) From: =?utf-8?q?C=C3=A9dric_Le_Goater?= To: linux-mtd@lists.infradead.org, Tudor Ambarus Subject: [PATCH 03/16] mtd: spi-nor: aspeed: Link controller with the ahb clock Date: Fri, 4 Oct 2019 13:59:06 +0200 Message-Id: <20191004115919.20788-4-clg@kaod.org> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20191004115919.20788-1-clg@kaod.org> References: <20191004115919.20788-1-clg@kaod.org> MIME-Version: 1.0 X-Ovh-Tracer-Id: 3775142389410204595 X-VR-SPAMSTATE: OK X-VR-SPAMSCORE: -100 X-VR-SPAMCAUSE: gggruggvucftvghtrhhoucdtuddrgedufedrhedugdegudcutefuodetggdotefrodftvfcurfhrohhfihhlvgemucfqggfjpdevjffgvefmvefgnecuuegrihhlohhuthemucehtddtnecusecvtfgvtghiphhivghnthhsucdlqddutddtmd X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20191004_050039_199717_06C9E1AA X-CRM114-Status: GOOD ( 14.95 ) X-Spam-Score: 0.0 (/) X-Spam-Report: SpamAssassin version 3.4.2 on bombadil.infradead.org summary: Content analysis details: (0.0 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 RCVD_IN_DNSWL_NONE RBL: Sender listed at https://www.dnswl.org/, no trust [178.32.96.204 listed in list.dnswl.org] -0.0 SPF_PASS SPF: sender matches SPF record 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record 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 , Vignesh Raghavendra , linux-aspeed@lists.ozlabs.org, Andrew Jeffery , Richard Weinberger , Marek Vasut , Joel Stanley , Miquel Raynal , Brian Norris , David Woodhouse , linux-arm-kernel@lists.infradead.org, =?utf-8?q?C=C3=A9dric_Le_Goater?= Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org We will need the AHB frequency to set the HCLK settings in the SMC controller to perform the read training. Signed-off-by: Cédric Le Goater --- drivers/mtd/spi-nor/aspeed-smc.c | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/drivers/mtd/spi-nor/aspeed-smc.c b/drivers/mtd/spi-nor/aspeed-smc.c index c775e0612613..facd8fc16ca3 100644 --- a/drivers/mtd/spi-nor/aspeed-smc.c +++ b/drivers/mtd/spi-nor/aspeed-smc.c @@ -6,6 +6,7 @@ */ #include +#include #include #include #include @@ -109,6 +110,8 @@ struct aspeed_smc_controller { void __iomem *ahb_base; /* per-chip windows resource */ u32 ahb_window_size; /* full mapping window size */ + unsigned long clk_frequency; + struct aspeed_smc_chip *chips[0]; /* pointers to attached chips */ }; @@ -909,6 +912,7 @@ static int aspeed_smc_probe(struct platform_device *pdev) struct aspeed_smc_controller *controller; const struct of_device_id *match; const struct aspeed_smc_info *info; + struct clk *clk; struct resource *res; int ret; @@ -940,6 +944,12 @@ static int aspeed_smc_probe(struct platform_device *pdev) controller->ahb_window_size = resource_size(res); + clk = devm_clk_get(&pdev->dev, NULL); + if (IS_ERR(clk)) + return PTR_ERR(clk); + controller->clk_frequency = clk_get_rate(clk); + devm_clk_put(&pdev->dev, clk); + ret = aspeed_smc_setup_flash(controller, np, res); if (ret) dev_err(dev, "Aspeed SMC probe failed %d\n", ret);