xiaomi-sm8450/android_kernel_xiaomi_sm8450
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clk: imx6: retain early UART clocks during kernel init

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

Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
This commit is contained in:
Lucas Stach
2015-09-21 18:54:03 +02:00
committad av Shawn Guo
förälder 89981a6f7b
incheckning 0822f93373
3 ändrade filer med 24 tillägg och 0 borttagningar
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8
drivers/clk/imx/clk-imx6sx.c
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@@ -135,6 +135,12 @@ static u32 share_count_ssi1;
static u32 share_count_ssi2;
static u32 share_count_ssi3;
static struct clk ** const uart_clks[] __initconst = {
&clks[IMX6SX_CLK_UART_IPG],
&clks[IMX6SX_CLK_UART_SERIAL],
NULL
};
static void __init imx6sx_clocks_init(struct device_node *ccm_node)
{
struct device_node *np;
@@ -557,5 +563,7 @@ static void __init imx6sx_clocks_init(struct device_node *ccm_node)
clk_set_parent(clks[IMX6SX_CLK_QSPI1_SEL], clks[IMX6SX_CLK_PLL2_BUS]);
clk_set_parent(clks[IMX6SX_CLK_QSPI2_SEL], clks[IMX6SX_CLK_PLL2_BUS]);
imx_register_uart_clocks(uart_clks);
}
CLK_OF_DECLARE(imx6sx, "fsl,imx6sx-ccm", imx6sx_clocks_init);