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Date: Thu, 13 Mar 2014 16:14:17 +0100 From: Maxime Ripard <maxime.ripard@...e-electrons.com> To: Emilio Lopez <emilio@...pez.com.ar>, Dan Williams <dan.j.williams@...el.com>, Vinod Koul <vinod.koul@...el.com> Cc: Mike Turquette <mturquette@...aro.org>, linux-arm-kernel@...ts.infradead.org, dmaengine@...r.kernel.org, linux-kernel@...r.kernel.org, devicetree@...r.kernel.org, linux-sunxi@...glegroups.com, kevin.z.m.zh@...il.com, sunny@...winnertech.com, shuge@...winnertech.com, zhuzhenhua@...winnertech.com, andriy.shevchenko@...el.com, Maxime Ripard <maxime.ripard@...e-electrons.com> Subject: [PATCH v5 5/7] ARM: sun6i: Protect SDRAM gating bit Prevent the SDRAM controller from being gated by force-enabling it in the machine code. Signed-off-by: Maxime Ripard <maxime.ripard@...e-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 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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