From f7988ba3b2ed3ec8e6c3623e281c278fea845bd8 Mon Sep 17 00:00:00 2001 From: Anson Huang Date: Wed, 24 Jul 2019 15:50:17 +0800 Subject: [PATCH] clk: imx8mn: Keep uart clocks on for early console Call imx_register_uart_clocks() API to keep uart clocks enabled when earlyprintk or earlycon is active. Signed-off-by: Anson Huang Reviewed-by: Abel Vesa Signed-off-by: Shawn Guo --- drivers/clk/imx/clk-imx8mn.c | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/drivers/clk/imx/clk-imx8mn.c b/drivers/clk/imx/clk-imx8mn.c index 07481a53e336..ecd1062f6847 100644 --- a/drivers/clk/imx/clk-imx8mn.c +++ b/drivers/clk/imx/clk-imx8mn.c @@ -355,6 +355,14 @@ static const char * const imx8mn_clko2_sels[] = {"osc_24m", "sys_pll2_200m", "sy static struct clk *clks[IMX8MN_CLK_END]; static struct clk_onecell_data clk_data; +static struct clk ** const uart_clks[] = { + &clks[IMX8MN_CLK_UART1_ROOT], + &clks[IMX8MN_CLK_UART2_ROOT], + &clks[IMX8MN_CLK_UART3_ROOT], + &clks[IMX8MN_CLK_UART4_ROOT], + NULL +}; + static int imx8mn_clocks_probe(struct platform_device *pdev) { struct device *dev = &pdev->dev; @@ -612,6 +620,8 @@ static int imx8mn_clocks_probe(struct platform_device *pdev) goto unregister_clks; } + imx_register_uart_clocks(uart_clks); + return 0; unregister_clks: -- 2.30.2