hclk_cpubus needs to keep running because it is needed for devices like
the rom, i2s0 or spdif to be accessible via cpu. Without that all
accesses to devices (readl/writel) return wrong data. So add it
to the list of critical clocks.

Fixes: 78eaf6095cc763c ("clk: rockchip: disable unused clocks")

Signed-off-by: Alexander Kochetkov <[email protected]>

CC: [email protected]
CC: [email protected]
CC: [email protected]
CC: [email protected]
CC: [email protected] # 4.1.x-
---
 drivers/clk/rockchip/clk-rk3188.c |    1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/clk/rockchip/clk-rk3188.c 
b/drivers/clk/rockchip/clk-rk3188.c
index abb4760..fe728f8 100644
--- a/drivers/clk/rockchip/clk-rk3188.c
+++ b/drivers/clk/rockchip/clk-rk3188.c
@@ -718,6 +718,7 @@ static const char *const rk3188_critical_clocks[] 
__initconst = {
        "hclk_peri",
        "pclk_cpu",
        "pclk_peri",
+       "hclk_cpubus"
 };
 
 static void __init rk3188_common_clk_init(struct device_node *np)
-- 
1.7.9.5

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