Minki/linux
1
0
Fork 1
mirror of https://github.com/torvalds/linux.git synced 2024-11-29 15:41:36 +00:00
Code Issues Packages Projects Releases Wiki Activity

clk: imx8mq: Keep uart clocks on during system boot

Browse Source 
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>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
This commit is contained in:
Anson Huang 2019-06-19 15:12:40 +08:00 committed by Shawn Guo
parent e5190586a9
commit 15c64ff762
1 changed files with 10 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
drivers/clk/imx/clk-imx8mq.c
View File

@ -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;
}