From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754623AbaCMPP2 (ORCPT ); Thu, 13 Mar 2014 11:15:28 -0400 Received: from top.free-electrons.com ([176.31.233.9]:42070 "EHLO mail.free-electrons.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1754011AbaCMPPN (ORCPT ); Thu, 13 Mar 2014 11:15:13 -0400 From: Maxime Ripard To: Emilio Lopez , Dan Williams , Vinod Koul Cc: Mike Turquette , linux-arm-kernel@lists.infradead.org, dmaengine@vger.kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, linux-sunxi@googlegroups.com, kevin.z.m.zh@gmail.com, sunny@allwinnertech.com, shuge@allwinnertech.com, zhuzhenhua@allwinnertech.com, andriy.shevchenko@intel.com, Maxime Ripard Subject: [PATCH v5 5/7] ARM: sun6i: Protect SDRAM gating bit Date: Thu, 13 Mar 2014 16:14:17 +0100 Message-Id: <1394723659-4995-6-git-send-email-maxime.ripard@free-electrons.com> X-Mailer: git-send-email 1.9.0 In-Reply-To: <1394723659-4995-1-git-send-email-maxime.ripard@free-electrons.com> References: <1394723659-4995-1-git-send-email-maxime.ripard@free-electrons.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Prevent the SDRAM controller from being gated by force-enabling it in the machine code. Signed-off-by: Maxime Ripard --- 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