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[v6,5/8] ARM: sun6i: Protect SDRAM gating bit

Message ID 1397724379-15398-6-git-send-email-maxime.ripard@free-electrons.com (mailing list archive)
State Superseded
Delegated to: Vinod Koul
Headers show

Commit Message

Maxime Ripard April 17, 2014, 8:46 a.m. UTC
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(+)
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Patch

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);