Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753905AbcL3Lcr (ORCPT ); Fri, 30 Dec 2016 06:32:47 -0500 Received: from smtp.codeaurora.org ([198.145.29.96]:47250 "EHLO smtp.codeaurora.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753793AbcL3Lco (ORCPT ); Fri, 30 Dec 2016 06:32:44 -0500 DMARC-Filter: OpenDMARC Filter v1.3.1 smtp.codeaurora.org C9F1361481 Authentication-Results: pdx-caf-mail.web.codeaurora.org; dmarc=none header.from=codeaurora.org Authentication-Results: pdx-caf-mail.web.codeaurora.org; spf=pass smtp.mailfrom=riteshh@codeaurora.org From: Ritesh Harjani To: ulf.hansson@linaro.org, adrian.hunter@intel.com Cc: linux-mmc@vger.kernel.org, linux-kernel@vger.kernel.org, shawn.lin@rock-chips.com, stummala@codeaurora.org, georgi.djakov@linaro.org, linux-arm-msm@vger.kernel.org, pramod.gurav@linaro.org, jeremymc@redhat.com, venkatg@codeaurora.org, asutoshd@codeaurora.org, subhashj@codeaurora.org, Ritesh Harjani Subject: [RFC PATCH 1/3] mmc: sdhci: Add platform_dumpregs callback support to sdhci_ops. Date: Fri, 30 Dec 2016 17:02:09 +0530 Message-Id: <1483097531-9991-2-git-send-email-riteshh@codeaurora.org> X-Mailer: git-send-email 1.8.2.1 In-Reply-To: <1483097531-9991-1-git-send-email-riteshh@codeaurora.org> References: <1483097531-9991-1-git-send-email-riteshh@codeaurora.org> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1418 Lines: 43 From: Sahitya Tummala Add new host operation ->platform_dumpregs to provide a mechanism through which host drivers can dump platform specific registers in addition to SDHC registers during error conditions. Signed-off-by: Sahitya Tummala Signed-off-by: Ritesh Harjani --- drivers/mmc/host/sdhci.c | 3 +++ drivers/mmc/host/sdhci.h | 1 + 2 files changed, 4 insertions(+) diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c index 2390980..73a8918 100644 --- a/drivers/mmc/host/sdhci.c +++ b/drivers/mmc/host/sdhci.c @@ -101,6 +101,9 @@ static void sdhci_dumpregs(struct sdhci_host *host) readl(host->ioaddr + SDHCI_ADMA_ADDRESS)); } + if (host->ops->platform_dumpregs) + host->ops->platform_dumpregs(host); + pr_err(DRIVER_NAME ": ===========================================\n"); } diff --git a/drivers/mmc/host/sdhci.h b/drivers/mmc/host/sdhci.h index 0b66f21..400f3a1 100644 --- a/drivers/mmc/host/sdhci.h +++ b/drivers/mmc/host/sdhci.h @@ -564,6 +564,7 @@ struct sdhci_ops { struct mmc_card *card, unsigned int max_dtr, int host_drv, int card_drv, int *drv_type); + void (*platform_dumpregs)(struct sdhci_host *host); }; #ifdef CONFIG_MMC_SDHCI_IO_ACCESSORS -- The Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum, a Linux Foundation Collaborative Project.