MLK-19966 clk: imx: Skip disabling uart clocks if m4 is active

No way of knowing when any of the uart clocks is currently
in use by m4 so just skip the gating for all of them.

Signed-off-by: Abel Vesa <abel.vesa@nxp.com>
Reviewed-by: Leonard Crestez <leonard.crestez@nxp.com>
Signed-off-by: Arulpandiyan Vadivel <arulpandiyan_vadivel@mentor.com>

diff --git a/drivers/clk/imx/clk.c b/drivers/clk/imx/clk.c
index 7a3fc53..74814fb 100644 (file)
--- a/drivers/clk/imx/clk.c
+++ b/drivers/clk/imx/clk.c
@@ -104,6 +104,9 @@ void __init imx_register_uart_clocks(struct clk ** const clks[])
 
 static int __init imx_clk_disable_uart(void)
 {
+       if (imx_src_is_m4_enabled())
+               return 0;
+
        if (imx_keep_uart_clocks && imx_uart_clocks) {
                int i;