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Commit d8dc71eb authored by Ram Prakash Gupta's avatar Ram Prakash Gupta
Browse files

mmc: sdhci-msm: Add quirk to control debug feature 



Add a quirk to control debug feature in sdcc.
With this change debug feature is disabled.

Change-Id: I548ad5b6e4e616076e893356078622300a840fc1
Signed-off-by: default avatarRam Prakash Gupta <rampraka@codeaurora.org>
parent 1d6a7b7e

drivers/mmc/host/sdhci-msm.c

+4 −0
Original line number Diff line number Diff line
@@ -1349,6 +1349,8 @@ void sdhci_msm_enter_dbg_mode(struct sdhci_host *host) 
				SDCC_IP_CATALOG));

	if (minor < 2 || msm_host->debug_mode_enabled)

		return;

	if (!(host->quirks2 & SDHCI_QUIRK2_USE_DBG_FEATURE))

		return;



	/* Enable debug mode */

	writel_relaxed(ENABLE_DBG,
@@ -1392,6 +1394,8 @@ void sdhci_msm_exit_dbg_mode(struct sdhci_host *host) 
				SDCC_IP_CATALOG));

	if (minor < 2 || !msm_host->debug_mode_enabled)

		return;

	if (!(host->quirks2 & SDHCI_QUIRK2_USE_DBG_FEATURE))

		return;



	/* Exit debug mode */

	writel_relaxed(DISABLE_DBG,

drivers/mmc/host/sdhci.h

+5 −0
Original line number Diff line number Diff line
@@ -548,6 +548,11 @@ struct sdhci_host { 
 */

#define SDHCI_QUIRK2_USE_PIO_FOR_EMMC_TUNING (1 << 29)



/*

 * Use QTI specific SDCC debug feature.

 */

#define SDHCI_QUIRK2_USE_DBG_FEATURE (1 << 30)



	int irq;		/* Device IRQ */

	void __iomem *ioaddr;	/* Mapped address */

	char *bounce_buffer;	/* For packing SDMA reads/writes */