[PATCH v2 3/5] clk: sun6i: Protect SDRAM gating bit

[Maxime Ripard]

Prevent the SDRAM controller from being gated by force-enabling it in the clock
driver.

Signed-off-by: Maxime Ripard <maxime.ripard at 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