From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757001AbdAJGmg (ORCPT ); Tue, 10 Jan 2017 01:42:36 -0500 Received: from smtp.codeaurora.org ([198.145.29.96]:41624 "EHLO smtp.codeaurora.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751620AbdAJGmc (ORCPT ); Tue, 10 Jan 2017 01:42:32 -0500 DMARC-Filter: OpenDMARC Filter v1.3.1 smtp.codeaurora.org 3AB1E6141B 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: adrian.hunter@intel.com, ulf.hansson@linaro.org Cc: linux-mmc@vger.kernel.org, linux-kernel@vger.kernel.org, shawn.lin@rock-chips.com, linux-arm-msm@vger.kernel.org, georgi.djakov@linaro.org, asutoshd@codeaurora.org, stummala@codeaurora.org, venkatg@codeaurora.org, pramod.gurav@linaro.org, jeremymc@redhat.com, Ritesh Harjani Subject: [RESEND RFC 1/3] mmc: sdhci: Add platform_dumpregs callback support to sdhci_ops. Date: Tue, 10 Jan 2017 12:11:53 +0530 Message-Id: <1484030515-16722-2-git-send-email-riteshh@codeaurora.org> X-Mailer: git-send-email 1.8.2.1 In-Reply-To: <1484030515-16722-1-git-send-email-riteshh@codeaurora.org> References: <1484030515-16722-1-git-send-email-riteshh@codeaurora.org> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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.