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

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
...@@ -86,6 +86,16 @@ enum mx25_clks { ...@@ -86,6 +86,16 @@ enum mx25_clks {
static struct clk *clk[clk_max]; 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, static int __init __mx25_clocks_init(unsigned long osc_rate,
void __iomem *ccm_base) void __iomem *ccm_base)
{ {
...@@ -233,6 +243,8 @@ static int __init __mx25_clocks_init(unsigned long osc_rate, ...@@ -233,6 +243,8 @@ static int __init __mx25_clocks_init(unsigned long osc_rate,
*/ */
clk_set_parent(clk[cko_sel], clk[ipg]); clk_set_parent(clk[cko_sel], clk[ipg]);
imx_register_uart_clocks(uart_clks);
return 0; return 0;
} }
......
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