clk: sunxi-ng: Fix missing CLK_SET_RATE_PARENT in ccu-sun4i-a10.c
authorAlexander Syring <alex@asyring.de>
Thu, 14 Sep 2017 12:05:19 +0000 (14:05 +0200)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Fri, 17 Aug 2018 19:01:11 +0000 (21:01 +0200)
commit a894990ac994a53bc5a0cc694eb12f3c064c18c5 upstream.

When using cpufreq-dt with default govenor other than "performance"
system freezes while booting.
Adding CLK_SET_RATE_PARENT | CLK_IS_CRITICAL to clk_cpu fixes the
problem.

Tested on Cubietruck (A20).

Fixes: c84f5683f6E ("clk: sunxi-ng: Add sun4i/sun7i CCU driver")
Acked-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Alexander Syring <alex@asyring.de>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Signed-off-by: Sudip Mukherjee <sudipm.mukherjee@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/clk/sunxi-ng/ccu-sun4i-a10.c

index 286b004..a48fde1 100644 (file)
@@ -223,7 +223,7 @@ static struct ccu_mux cpu_clk = {
                .hw.init        = CLK_HW_INIT_PARENTS("cpu",
                                                      cpu_parents,
                                                      &ccu_mux_ops,
-                                                     CLK_IS_CRITICAL),
+                                                     CLK_SET_RATE_PARENT | CLK_IS_CRITICAL),
        }
 };