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Thu, 25 Jun 2020 07:01:10 -0700 (PDT) From: Sven Van Asbroeck X-Google-Original-From: Sven Van Asbroeck To: shawnguo@kernel.org, fugang.duan@nxp.com Subject: [PATCH v4 1/2] ARM: imx: mach-imx6q: Search for fsl, imx6q-iomuxc-gpr earlier Date: Thu, 25 Jun 2020 10:01:04 -0400 Message-Id: <20200625140105.14999-1-TheSven73@gmail.com> X-Mailer: git-send-email 2.17.1 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: Sascha Hauer , linux-kernel@vger.kernel.org, NXP Linux Team , Pengutronix Kernel Team , Fabio Estevam , linux-arm-kernel@lists.infradead.org MIME-Version: 1.0 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 From: Fabio Estevam Check the presence of fsl,imx6q-iomuxc-gpr earlier and exit in case of failure. This is done in preparation for adding support for configuring the GPR5 register for i.MX6QP a bit easier. Signed-off-by: Fabio Estevam --- Patch history: see [PATCH v4 2/2] ARM: imx6plus: enable internal routing of clk_enet_ref To: Shawn Guo To: Andy Duan Cc: Sascha Hauer Cc: Pengutronix Kernel Team Cc: Fabio Estevam Cc: NXP Linux Team Cc: linux-arm-kernel@lists.infradead.org Cc: linux-kernel@vger.kernel.org arch/arm/mach-imx/mach-imx6q.c | 15 ++++++++------- 1 file changed, 8 insertions(+), 7 deletions(-) diff --git a/arch/arm/mach-imx/mach-imx6q.c b/arch/arm/mach-imx/mach-imx6q.c index 85c084a716ab..ae89ad93ca83 100644 --- a/arch/arm/mach-imx/mach-imx6q.c +++ b/arch/arm/mach-imx/mach-imx6q.c @@ -169,6 +169,12 @@ static void __init imx6q_1588_init(void) struct regmap *gpr; u32 clksel; + gpr = syscon_regmap_lookup_by_compatible("fsl,imx6q-iomuxc-gpr"); + if (IS_ERR(gpr)) { + pr_err("failed to find fsl,imx6q-iomuxc-gpr regmap\n"); + return; + } + np = of_find_compatible_node(NULL, NULL, "fsl,imx6q-fec"); if (!np) { pr_warn("%s: failed to find fec node\n", __func__); @@ -195,13 +201,8 @@ static void __init imx6q_1588_init(void) clksel = clk_is_match(ptp_clk, enet_ref) ? IMX6Q_GPR1_ENET_CLK_SEL_ANATOP : IMX6Q_GPR1_ENET_CLK_SEL_PAD; - gpr = syscon_regmap_lookup_by_compatible("fsl,imx6q-iomuxc-gpr"); - if (!IS_ERR(gpr)) - regmap_update_bits(gpr, IOMUXC_GPR1, - IMX6Q_GPR1_ENET_CLK_SEL_MASK, - clksel); - else - pr_err("failed to find fsl,imx6q-iomuxc-gpr regmap\n"); + regmap_update_bits(gpr, IOMUXC_GPR1, IMX6Q_GPR1_ENET_CLK_SEL_MASK, + clksel); clk_put(enet_ref); put_ptp_clk: -- 2.17.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel