4.14-stable review patch. If anyone has any objections, please let me know.
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From: Alexander Syring alex@asyring.de
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 | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/clk/sunxi-ng/ccu-sun4i-a10.c +++ b/drivers/clk/sunxi-ng/ccu-sun4i-a10.c @@ -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), } };