From: Anson.Huang@nxp.com
To: mturquette@baylibre.com, sboyd@kernel.org, shawnguo@kernel.org,
s.hauer@pengutronix.de, kernel@pengutronix.de,
festevam@gmail.com, linux-clk@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org
Cc: Linux-imx@nxp.com
Subject: [PATCH] clk: imx8mn: Keep uart clocks on for early console
Date: Wed, 24 Jul 2019 15:50:17 +0800 [thread overview]
Message-ID: <20190724075017.11003-1-Anson.Huang@nxp.com> (raw)
From: Anson Huang <Anson.Huang@nxp.com>
Call imx_register_uart_clocks() API to keep uart clocks enabled
when earlyprintk or earlycon is active.
Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
---
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
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next reply other threads:[~2019-07-24 7:59 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-07-24 7:50 Anson.Huang [this message]
2019-07-26 8:38 ` [PATCH] clk: imx8mn: Keep uart clocks on for early console Abel Vesa
2019-08-03 9:04 ` Shawn Guo
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