Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752947AbaB1QkP (ORCPT ); Fri, 28 Feb 2014 11:40:15 -0500 Received: from top.free-electrons.com ([176.31.233.9]:52976 "EHLO mail.free-electrons.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1752558AbaB1QkI (ORCPT ); Fri, 28 Feb 2014 11:40:08 -0500 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, Maxime Ripard Subject: [PATCH v2 3/5] clk: sun6i: Protect SDRAM gating bit Date: Fri, 28 Feb 2014 17:37:18 +0100 Message-Id: <1393605440-14643-4-git-send-email-maxime.ripard@free-electrons.com> X-Mailer: git-send-email 1.9.0 In-Reply-To: <1393605440-14643-1-git-send-email-maxime.ripard@free-electrons.com> References: <1393605440-14643-1-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 clock driver. Signed-off-by: Maxime Ripard --- 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 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/