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Subject[PATCH v5 5/7] ARM: sun6i: Protect SDRAM gating bit
Date
Prevent the SDRAM controller from being gated by force-enabling it in the
machine code.

Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
---
arch/arm/mach-sunxi/sun6i.c | 5 +++++
1 file changed, 5 insertions(+)

diff --git a/arch/arm/mach-sunxi/sun6i.c b/arch/arm/mach-sunxi/sun6i.c
index 6b3905505fe0..1ccb27524a9e 100644
--- a/arch/arm/mach-sunxi/sun6i.c
+++ b/arch/arm/mach-sunxi/sun6i.c
@@ -34,6 +34,11 @@ static void __init sun6i_dt_init(void)
clk = clk_get(NULL, "cpu");
if (!IS_ERR(clk))
clk_prepare_enable(clk);
+
+ /* DDR gating clock */
+ clk = clk_get(NULL, "ahb1_sdram");
+ if (!IS_ERR(clk))
+ clk_prepare_enable(clk);
}

extern void __init sun6i_reset_init(void);
--
1.9.0


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