Commit 517c7f93 authored by Lucas Stach's avatar Lucas Stach Committed by Shawn Guo
Browse files

clk: imx25: retain early UART clocks during kernel init 



Make sure to keep UART clocks enabled during kernel init if
earlyprintk or earlycon are active.

Signed-off-by: default avatarLucas Stach <l.stach@pengutronix.de>
Signed-off-by: default avatarShawn Guo <shawnguo@kernel.org>
parent 55adc61c

drivers/clk/imx/clk-imx25.c

+12 −0
Original line number Diff line number Diff line
@@ -86,6 +86,16 @@ enum mx25_clks { 


static struct clk *clk[clk_max];



static struct clk ** const uart_clks[] __initconst = {

	&clk[uart_ipg_per],

	&clk[uart1_ipg],

	&clk[uart2_ipg],

	&clk[uart3_ipg],

	&clk[uart4_ipg],

	&clk[uart5_ipg],

	NULL

};



static int __init __mx25_clocks_init(unsigned long osc_rate,

				     void __iomem *ccm_base)

{
@@ -233,6 +243,8 @@ static int __init __mx25_clocks_init(unsigned long osc_rate, 
	 */

	clk_set_parent(clk[cko_sel], clk[ipg]);



	imx_register_uart_clocks(uart_clks);



	return 0;

}