[PATCH] clk: imx8mn: Keep uart clocks on for early console
From: <hidden>
Date: 2019-07-24 07:59:47
Also in:
linux-clk, lkml
Subsystem:
common clk framework, nxp i.mx clock drivers, the rest · Maintainers:
Michael Turquette, Stephen Boyd, Abel Vesa, Linus Torvalds
From: Anson Huang <redacted> Call imx_register_uart_clocks() API to keep uart clocks enabled when earlyprintk or earlycon is active. Signed-off-by: Anson Huang <redacted> --- 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 07481a5..ecd1062 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:
--
2.7.4
_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel