diff options
| author | Lucas Stach <l.stach@pengutronix.de> | 2015-09-21 19:54:01 +0300 |
|---|---|---|
| committer | Shawn Guo <shawnguo@kernel.org> | 2015-09-26 07:58:56 +0300 |
| commit | 57d5a4c3ed001f813f1c8e1609db83c84d0e88cf (patch) | |
| tree | 2b9f48fff56c9b94af12df5bb742ab9e0ada843b | |
| parent | 5c678cdd02f25398b4908638d672b134cff9d59c (diff) | |
| download | linux-57d5a4c3ed001f813f1c8e1609db83c84d0e88cf.tar.xz | |
clk: imx35: 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: Lucas Stach <l.stach@pengutronix.de>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
| -rw-r--r-- | drivers/clk/imx/clk-imx35.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/clk/imx/clk-imx35.c b/drivers/clk/imx/clk-imx35.c index 76c463dcdb1c..a71d24cb4c06 100644 --- a/drivers/clk/imx/clk-imx35.c +++ b/drivers/clk/imx/clk-imx35.c @@ -84,6 +84,14 @@ enum mx35_clks { static struct clk *clk[clk_max]; +static struct clk ** const uart_clks[] __initconst = { + &clk[ipg], + &clk[uart1_gate], + &clk[uart2_gate], + &clk[uart3_gate], + NULL +}; + static void __init _mx35_clocks_init(void) { void __iomem *base; @@ -237,6 +245,8 @@ static void __init _mx35_clocks_init(void) */ clk_prepare_enable(clk[scc_gate]); + imx_register_uart_clocks(uart_clks); + imx_print_silicon_rev("i.MX35", mx35_revision()); } |