From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933316Ab1LFKtc (ORCPT ); Tue, 6 Dec 2011 05:49:32 -0500 Received: from mail-iy0-f174.google.com ([209.85.210.174]:61550 "EHLO mail-iy0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933092Ab1LFKta (ORCPT ); Tue, 6 Dec 2011 05:49:30 -0500 From: Tushar Behera To: linux-samsung-soc@vger.kernel.org, linux-kernel@vger.kernel.org Cc: kgene.kim@samsung.com, vinod.koul@intel.com, linaro-dev@lists.linaro.org, patches@linaro.org Subject: [PATCH 2/2] ARM: EXYNOS: Add apb_pclk clkdev entry for mdma1 Date: Tue, 6 Dec 2011 16:15:55 +0530 Message-Id: <1323168355-2764-3-git-send-email-tushar.behera@linaro.org> X-Mailer: git-send-email 1.7.4.1 In-Reply-To: <1323168355-2764-1-git-send-email-tushar.behera@linaro.org> References: <1323168355-2764-1-git-send-email-tushar.behera@linaro.org> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Amba core assumes the pclk to be named as apb_pclk. During device probe, it tries to get that clock and enable that. When PM_RUNTIME is enabled, dma clock is not explicitly enabled in pl330_probe, which causes device probe to fail. Adding a clkdev entry for apb_pclk for mdma1 fixes the problem. This patch fixes following runtime error. dma-pl330 dma-pl330.2: PERIPH_ID 0x0, PCELL_ID 0x0 ! dma-pl330: probe of dma-pl330.2 failed with error -22 Signed-off-by: Tushar Behera --- arch/arm/mach-exynos/clock.c | 1 + 1 files changed, 1 insertions(+), 0 deletions(-) diff --git a/arch/arm/mach-exynos/clock.c b/arch/arm/mach-exynos/clock.c index 28e2842..eb33a7a 100644 --- a/arch/arm/mach-exynos/clock.c +++ b/arch/arm/mach-exynos/clock.c @@ -1326,6 +1326,7 @@ static struct clk_lookup exynos4_clk_lookup[] = { CLKDEV_INIT("s3c-sdhci.3", "mmc_busclk.2", &clk_sclk_mmc3.clk), CLKDEV_INIT("dma-pl330.0", "apb_pclk", &clk_pdma0), CLKDEV_INIT("dma-pl330.1", "apb_pclk", &clk_pdma1), + CLKDEV_INIT("dma-pl330.2", "apb_pclk", &clk_mdma1), }; static int xtal_rate; -- 1.7.4.1