linux-kernel - [PATCH V2 7/8] mmc: sdhci-msm: Introduce new ops to dump vendor specific registers

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Message-Id: <1590139950-7288-8-git-send-email-sartgarg@codeaurora.org>
Date:   Fri, 22 May 2020 15:02:29 +0530
From:   Sarthak Garg <sartgarg@...eaurora.org>
To:     adrian.hunter@...el.com, ulf.hansson@...aro.org
Cc:     vbadigan@...eaurora.org, stummala@...eaurora.org,
        linux-mmc@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-msm@...r.kernel.org,
        Sarthak Garg <sartgarg@...eaurora.org>
Subject: [PATCH V2 7/8] mmc: sdhci-msm: Introduce new ops to dump vendor specific registers

Introduce new sdhci ops to dump vendor specific registers in the
sdhci_dumpregs during error.

Signed-off-by: Sahitya Tummala <stummala@...eaurora.org>
Signed-off-by: Sarthak Garg <sartgarg@...eaurora.org>
Acked-by: Adrian Hunter <adrian.hunter@...el.com>
---
 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 90cdefc..37b1158c 100644
--- a/drivers/mmc/host/sdhci.c
+++ b/drivers/mmc/host/sdhci.c
@@ -111,6 +111,9 @@ void sdhci_dumpregs(struct sdhci_host *host)
 		}
 	}
 
+	if (host->ops->dump_vendor_regs)
+		host->ops->dump_vendor_regs(host);
+
 	SDHCI_DUMP("============================================\n");
 }
 EXPORT_SYMBOL_GPL(sdhci_dumpregs);
diff --git a/drivers/mmc/host/sdhci.h b/drivers/mmc/host/sdhci.h
index d628ab6..0008bbd 100644
--- a/drivers/mmc/host/sdhci.h
+++ b/drivers/mmc/host/sdhci.h
@@ -650,6 +650,7 @@ struct sdhci_ops {
 					 unsigned int length);
 	void	(*request_done)(struct sdhci_host *host,
 				struct mmc_request *mrq);
+	void    (*dump_vendor_regs)(struct sdhci_host *host);
 };
 
 #ifdef CONFIG_MMC_SDHCI_IO_ACCESSORS
-- 
2.7.4