linux-kernel - [PATCH] clk: imx6q: Do not reparent unregistered IMX6QDL_CLK

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Message-ID: <1553101958-13457-1-git-send-email-abel.vesa@nxp.com>
Date:   Wed, 20 Mar 2019 17:12:49 +0000
From:   Abel Vesa <abel.vesa@....com>
To:     Mike Turquette <mturquette@...libre.com>,
        Stephen Boyd <sboyd@...nel.org>,
        Shawn Guo <shawnguo@...nel.org>,
        Sascha Hauer <kernel@...gutronix.de>,
        Fabio Estevam <fabio.estevam@....com>
CC:     Aisheng Dong <aisheng.dong@....com>,
        dl-linux-imx <linux-imx@....com>,
        Anson Huang <anson.huang@....com>,
        Rob Herring <robh@...nel.org>,
        "linux-clk@...r.kernel.org" <linux-clk@...r.kernel.org>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Abel Vesa <abel.vesa@....com>
Subject: [PATCH] clk: imx6q: Do not reparent unregistered IMX6QDL_CLK_PERIPH2

The clock is registered later then these two re-parentings

Signed-off-by: Abel Vesa <abel.vesa@....com>
---
 drivers/clk/imx/clk-imx6q.c | 8 --------
 1 file changed, 8 deletions(-)

diff --git a/drivers/clk/imx/clk-imx6q.c b/drivers/clk/imx/clk-imx6q.c
index 708e7c5..c7b671e 100644
--- a/drivers/clk/imx/clk-imx6q.c
+++ b/drivers/clk/imx/clk-imx6q.c
@@ -291,12 +291,6 @@ static void mmdc_ch1_disable(void __iomem *ccm_base)
 	clk_set_parent(clk[IMX6QDL_CLK_PERIPH2_CLK2_SEL],
 		       clk[IMX6QDL_CLK_PLL3_USB_OTG]);
 
-	/*
-	 * Handshake with mmdc_ch1 module must be masked when changing
-	 * periph2_clk_sel.
-	 */
-	clk_set_parent(clk[IMX6QDL_CLK_PERIPH2], clk[IMX6QDL_CLK_PERIPH2_CLK2]);
-
 	/* Disable pll3_sw_clk by selecting the bypass clock source */
 	reg = readl_relaxed(ccm_base + CCM_CCSR);
 	reg |= CCSR_PLL3_SW_CLK_SEL;
@@ -311,8 +305,6 @@ static void mmdc_ch1_reenable(void __iomem *ccm_base)
 	reg = readl_relaxed(ccm_base + CCM_CCSR);
 	reg &= ~CCSR_PLL3_SW_CLK_SEL;
 	writel_relaxed(reg, ccm_base + CCM_CCSR);
-
-	clk_set_parent(clk[IMX6QDL_CLK_PERIPH2], clk[IMX6QDL_CLK_PERIPH2_PRE]);
 }
 
 /*
-- 
2.7.4