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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, abel.vesa@nxp.com, ccaione@baylibre.com,
	leonard.crestez@nxp.com, aisheng.dong@nxp.com,
	linux-clk@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
	linux-kernel@vger.kernel.org
Cc: Linux-imx@nxp.com
Subject: [PATCH 2/2] clk: imx8mq: Keep uart clocks on during system boot
Date: Wed, 19 Jun 2019 15:12:40 +0800	[thread overview]
Message-ID: <20190619071240.38503-2-Anson.Huang@nxp.com> (raw)
In-Reply-To: <20190619071240.38503-1-Anson.Huang@nxp.com>

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-imx8mq.c | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/drivers/clk/imx/clk-imx8mq.c b/drivers/clk/imx/clk-imx8mq.c
index 5fbc2a7..d407a07 100644
--- a/drivers/clk/imx/clk-imx8mq.c
+++ b/drivers/clk/imx/clk-imx8mq.c
@@ -272,6 +272,14 @@ static const char * const imx8mq_clko2_sels[] = {"osc_25m", "sys2_pll_200m", "sy
 
 static struct clk_onecell_data clk_data;
 
+static struct clk ** const uart_clks[] = {
+	&clks[IMX8MQ_CLK_UART1_ROOT],
+	&clks[IMX8MQ_CLK_UART2_ROOT],
+	&clks[IMX8MQ_CLK_UART3_ROOT],
+	&clks[IMX8MQ_CLK_UART4_ROOT],
+	NULL
+};
+
 static int imx8mq_clocks_probe(struct platform_device *pdev)
 {
 	struct device *dev = &pdev->dev;
@@ -555,6 +563,8 @@ static int imx8mq_clocks_probe(struct platform_device *pdev)
 	err = of_clk_add_provider(np, of_clk_src_onecell_get, &clk_data);
 	WARN_ON(err);
 
+	imx_register_uart_clocks(uart_clks);
+
 	return err;
 }
 
-- 
2.7.4


WARNING: multiple messages have this Message-ID (diff)
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, abel.vesa@nxp.com, ccaione@baylibre.com,
	leonard.crestez@nxp.com, aisheng.dong@nxp.com,
	linux-clk@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
	linux-kernel@vger.kernel.org
Cc: Linux-imx@nxp.com
Subject: [PATCH 2/2] clk: imx8mq: Keep uart clocks on during system boot
Date: Wed, 19 Jun 2019 15:12:40 +0800	[thread overview]
Message-ID: <20190619071240.38503-2-Anson.Huang@nxp.com> (raw)
In-Reply-To: <20190619071240.38503-1-Anson.Huang@nxp.com>

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-imx8mq.c | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/drivers/clk/imx/clk-imx8mq.c b/drivers/clk/imx/clk-imx8mq.c
index 5fbc2a7..d407a07 100644
--- a/drivers/clk/imx/clk-imx8mq.c
+++ b/drivers/clk/imx/clk-imx8mq.c
@@ -272,6 +272,14 @@ static const char * const imx8mq_clko2_sels[] = {"osc_25m", "sys2_pll_200m", "sy
 
 static struct clk_onecell_data clk_data;
 
+static struct clk ** const uart_clks[] = {
+	&clks[IMX8MQ_CLK_UART1_ROOT],
+	&clks[IMX8MQ_CLK_UART2_ROOT],
+	&clks[IMX8MQ_CLK_UART3_ROOT],
+	&clks[IMX8MQ_CLK_UART4_ROOT],
+	NULL
+};
+
 static int imx8mq_clocks_probe(struct platform_device *pdev)
 {
 	struct device *dev = &pdev->dev;
@@ -555,6 +563,8 @@ static int imx8mq_clocks_probe(struct platform_device *pdev)
 	err = of_clk_add_provider(np, of_clk_src_onecell_get, &clk_data);
 	WARN_ON(err);
 
+	imx_register_uart_clocks(uart_clks);
+
 	return err;
 }
 
-- 
2.7.4


_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel

  reply	other threads:[~2019-06-19  7:11 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-06-19  7:12 [PATCH 1/2] clk: imx: Remove __init for imx_register_uart_clocks() API Anson.Huang
2019-06-19  7:12 ` Anson.Huang
2019-06-19  7:12 ` Anson.Huang [this message]
2019-06-19  7:12   ` [PATCH 2/2] clk: imx8mq: Keep uart clocks on during system boot Anson.Huang
2019-06-24  1:44 ` [PATCH 1/2] clk: imx: Remove __init for imx_register_uart_clocks() API Shawn Guo
2019-06-24  1:44   ` Shawn Guo

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