* [PATCH] clk: imx8mn: Keep uart clocks on for early console
@ 2019-07-24 7:50 Anson.Huang
2019-07-26 8:38 ` Abel Vesa
2019-08-03 9:04 ` Shawn Guo
0 siblings, 2 replies; 3+ messages in thread
From: Anson.Huang @ 2019-07-24 7:50 UTC (permalink / raw)
To: mturquette, sboyd, shawnguo, s.hauer, kernel, festevam,
linux-clk, linux-arm-kernel, linux-kernel
Cc: Linux-imx
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
^ permalink raw reply related [flat|nested] 3+ messages in thread
* Re: [PATCH] clk: imx8mn: Keep uart clocks on for early console
2019-07-24 7:50 [PATCH] clk: imx8mn: Keep uart clocks on for early console Anson.Huang
@ 2019-07-26 8:38 ` Abel Vesa
2019-08-03 9:04 ` Shawn Guo
1 sibling, 0 replies; 3+ messages in thread
From: Abel Vesa @ 2019-07-26 8:38 UTC (permalink / raw)
To: Anson.Huang
Cc: mturquette, sboyd, shawnguo, s.hauer, kernel, festevam,
linux-clk, linux-arm-kernel, linux-kernel, Linux-imx
On 19-07-24 15:50:17, Anson.Huang@nxp.com wrote:
> 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>
Reviewed-by: Abel Vesa <abel.vesa@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
>
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [PATCH] clk: imx8mn: Keep uart clocks on for early console
2019-07-24 7:50 [PATCH] clk: imx8mn: Keep uart clocks on for early console Anson.Huang
2019-07-26 8:38 ` Abel Vesa
@ 2019-08-03 9:04 ` Shawn Guo
1 sibling, 0 replies; 3+ messages in thread
From: Shawn Guo @ 2019-08-03 9:04 UTC (permalink / raw)
To: Anson.Huang
Cc: mturquette, sboyd, s.hauer, kernel, festevam, linux-clk,
linux-arm-kernel, linux-kernel, Linux-imx
On Wed, Jul 24, 2019 at 03:50:17PM +0800, Anson.Huang@nxp.com wrote:
> 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>
Applied, thanks.
^ permalink raw reply [flat|nested] 3+ messages in thread
end of thread, other threads:[~2019-08-03 9:04 UTC | newest]
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2019-07-24 7:50 [PATCH] clk: imx8mn: Keep uart clocks on for early console Anson.Huang
2019-07-26 8:38 ` Abel Vesa
2019-08-03 9:04 ` Shawn Guo
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