From: Sahitya Tummala <stumm...@codeaurora.org>

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 <stumm...@codeaurora.org>
Signed-off-by: Ritesh Harjani <rite...@codeaurora.org>
---
 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.

Reply via email to