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Subject[PATCH v2 3/5] clk: sun6i: Protect SDRAM gating bit
Date
Prevent the SDRAM controller from being gated by force-enabling it in the clock
driver.

Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
---
drivers/clk/sunxi/clk-sunxi.c | 5 +++++
1 file changed, 5 insertions(+)

diff --git a/drivers/clk/sunxi/clk-sunxi.c b/drivers/clk/sunxi/clk-sunxi.c
index a5c5882..bbbc5c0 100644
--- a/drivers/clk/sunxi/clk-sunxi.c
+++ b/drivers/clk/sunxi/clk-sunxi.c
@@ -1302,6 +1302,11 @@ static void __init sunxi_clock_protect(void)
clk_put(clk);
}

+ /* DDR Gating clock - sun6i */
+ clk = clk_get(NULL, "ahb1_sdram");
+ if (!IS_ERR(clk))
+ clk_prepare_enable(clk);
+
/* CPU clocks - sun6i */
clk = clk_get(NULL, "cpu");
if (!IS_ERR(clk))
--
1.9.0


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