PLL6 is used by some important but undocumented module, most likely
memory related, such as mbus or the actual memory controller. As we
do not have a driver for that, add pll6 to the list of protected
clocks, so that it won't be disabled and leave us with a non-responsive
system.
Signed-off-by: Chen-Yu Tsai <wens@xxxxxxxx>
---
drivers/clk/sunxi/clk-sunxi.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/clk/sunxi/clk-sunxi.c b/drivers/clk/sunxi/clk-sunxi.c
index e0e24d5..3e33bc1 100644
--- a/drivers/clk/sunxi/clk-sunxi.c
+++ b/drivers/clk/sunxi/clk-sunxi.c
@@ -1229,6 +1229,7 @@ CLK_OF_DECLARE(sun7i_a20_clk_init, "allwinner,sun7i-a20", sun5i_init_clocks);
static const char *sun6i_critical_clocks[] __initdata = {
"cpu",
+ "pll6", /* something we don't know about uses pll6 */
"ahb1_sdram",
};
--
2.0.0.rc2
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