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From:   "Peng Fan (OSS)" <peng.fan@oss.nxp.com>
Date:   Tue, 12 Sep 2023 17:19:00 +0800
Subject: [PATCH 2/7] clk: imx: imx8qxp: Fix elcdif_pll clock
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Message-Id: <20230912-imx8-clk-v1-v1-2-69a34bcfcae1@nxp.com>
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To:     Abel Vesa <abelvesa@kernel.org>, Peng Fan <peng.fan@nxp.com>,
        Michael Turquette <mturquette@baylibre.com>,
        Stephen Boyd <sboyd@kernel.org>,
        Shawn Guo <shawnguo@kernel.org>,
        Sascha Hauer <s.hauer@pengutronix.de>,
        Pengutronix Kernel Team <kernel@pengutronix.de>,
        Fabio Estevam <festevam@gmail.com>,
        NXP Linux Team <linux-imx@nxp.com>,
        Jacky Bai <ping.bai@nxp.com>,
        Dong Aisheng <aisheng.dong@nxp.com>
Cc:     linux-clk@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
        linux-kernel@vger.kernel.org,
        Robert Chiras <robert.chiras@nxp.com>,
        Ranjani Vaidyanathan <ranjani.vaidyanathan@nxp.com>,
        Laurentiu Palcu <laurentiu.palcu@nxp.com>
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From: Robert Chiras <robert.chiras@nxp.com>

Move the elcdif_pll clock initialization before the lcd_clk, since the
elcdif_clk needs to be initialized ahead of lcd_clk, being its parent.
This change fixes issues with the LCD clocks during suspend/resume.

Fixes: babfaa9556d7 ("clk: imx: scu: add more scu clocks")
Suggested-by: Ranjani Vaidyanathan <ranjani.vaidyanathan@nxp.com>
Acked-by: Laurentiu Palcu <laurentiu.palcu@nxp.com>
Signed-off-by: Robert Chiras <robert.chiras@nxp.com>
Signed-off-by: Peng Fan <peng.fan@nxp.com>
---
 drivers/clk/imx/clk-imx8qxp.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/clk/imx/clk-imx8qxp.c b/drivers/clk/imx/clk-imx8qxp.c
index cadcbb318f5c..4020aa4b79bf 100644
--- a/drivers/clk/imx/clk-imx8qxp.c
+++ b/drivers/clk/imx/clk-imx8qxp.c
@@ -147,10 +147,10 @@ static int imx8qxp_clk_probe(struct platform_device *pdev)
 	imx_clk_scu("adc0_clk",  IMX_SC_R_ADC_0, IMX_SC_PM_CLK_PER);
 	imx_clk_scu("adc1_clk",  IMX_SC_R_ADC_1, IMX_SC_PM_CLK_PER);
 	imx_clk_scu("pwm_clk",   IMX_SC_R_LCD_0_PWM_0, IMX_SC_PM_CLK_PER);
+	imx_clk_scu("elcdif_pll", IMX_SC_R_ELCDIF_PLL, IMX_SC_PM_CLK_PLL);
 	imx_clk_scu2("lcd_clk", lcd_sels, ARRAY_SIZE(lcd_sels), IMX_SC_R_LCD_0, IMX_SC_PM_CLK_PER);
 	imx_clk_scu2("lcd_pxl_clk", lcd_pxl_sels, ARRAY_SIZE(lcd_pxl_sels), IMX_SC_R_LCD_0, IMX_SC_PM_CLK_MISC0);
 	imx_clk_scu("lcd_pxl_bypass_div_clk", IMX_SC_R_LCD_0, IMX_SC_PM_CLK_BYPASS);
-	imx_clk_scu("elcdif_pll", IMX_SC_R_ELCDIF_PLL, IMX_SC_PM_CLK_PLL);
 
 	/* Audio SS */
 	imx_clk_scu("audio_pll0_clk", IMX_SC_R_AUDIO_PLL_0, IMX_SC_PM_CLK_PLL);

-- 
2.37.1