From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 139731FB4 for ; Fri, 3 Feb 2023 10:25:44 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 795D5C433AE; Fri, 3 Feb 2023 10:25:43 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1675419943; bh=JJxOZ7bUBlyeM1DhtHhyLPVzDSmOjFPCdLBcrSiANaw=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=tv5FDqd5vkkdAIrzkkXET+mJPpW/1XQGyw5Yjln7CPXfHQCstAyjSlQoW61aT7Ivf SNDthZS5Nn+UK8LSPKW41NFV3eV8cx8KPm/rKZsOrFzmJIS7gl2OI6/njOMJm6C78p 1+gVm84LdXNX5GWRqthjzJIBjdFPIjql1HfwBCoU= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Fabio Estevam , Arnd Bergmann , Shawn Guo , Sasha Levin Subject: [PATCH 5.4 008/134] ARM: imx35: Retrieve the IIM base address from devicetree Date: Fri, 3 Feb 2023 11:11:53 +0100 Message-Id: <20230203101024.223472888@linuxfoundation.org> X-Mailer: git-send-email 2.39.1 In-Reply-To: <20230203101023.832083974@linuxfoundation.org> References: <20230203101023.832083974@linuxfoundation.org> User-Agent: quilt/0.67 Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit From: Fabio Estevam [ Upstream commit f68ea682d1da77e0133a7726640c22836a900a67 ] Now that imx35 has been converted to a devicetree-only platform, retrieve the IIM base address from devicetree. Signed-off-by: Fabio Estevam Acked-by: Arnd Bergmann Signed-off-by: Shawn Guo Stable-dep-of: 87b30c4b0efb ("ARM: imx: add missing of_node_put()") Signed-off-by: Sasha Levin --- arch/arm/mach-imx/cpu-imx35.c | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) diff --git a/arch/arm/mach-imx/cpu-imx35.c b/arch/arm/mach-imx/cpu-imx35.c index ebb3cdabd506..80e7d8ab9f1b 100644 --- a/arch/arm/mach-imx/cpu-imx35.c +++ b/arch/arm/mach-imx/cpu-imx35.c @@ -5,6 +5,7 @@ * Copyright (c) 2009 Daniel Mack */ #include +#include #include #include "hardware.h" @@ -14,9 +15,15 @@ static int mx35_cpu_rev = -1; static int mx35_read_cpu_rev(void) { + void __iomem *iim_base; + struct device_node *np; u32 rev; - rev = imx_readl(MX35_IO_ADDRESS(MX35_IIM_BASE_ADDR + MXC_IIMSREV)); + np = of_find_compatible_node(NULL, NULL, "fsl,imx35-iim"); + iim_base = of_iomap(np, 0); + BUG_ON(!iim_base); + + rev = imx_readl(iim_base + MXC_IIMSREV); switch (rev) { case 0x00: return IMX_CHIP_REVISION_1_0; -- 2.39.0