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Commit d4a94d66 authored by Shaik Sajida Bhanu's avatar Shaik Sajida Bhanu
Browse files

mmc: sdhci-msm: Add err_stat's in CQE path 



Add err_stat's in CQE path for eMMC.

Change-Id: Ie1b304ab853a5956ae3e2cd9d89ceac5fcbb473b
Signed-off-by: default avatarShaik Sajida Bhanu <sbhanu@codeaurora.org>
parent 6f6827e5

drivers/mmc/core/queue.c

+3 −0
Original line number Diff line number Diff line
@@ -103,6 +103,9 @@ static enum blk_eh_timer_return mmc_cqe_timed_out(struct request *req) 
	enum mmc_issue_type issue_type = mmc_issue_type(mq, req);

	bool recovery_needed = false;



#if defined(CONFIG_SDC_QTI)

	host->err_stats[MMC_ERR_CMDQ_REQ_TIMEOUT]++;

#endif

	mmc_log_string(host,

		"Request timed out! Active reqs: %d Req: %p Tag: %d\n",

		mmc_cqe_qcnt(mq), req, req->tag);

drivers/mmc/host/cqhci.c

+6 −0
Original line number Diff line number Diff line
@@ -887,6 +887,12 @@ irqreturn_t cqhci_irq(struct mmc_host *mmc, u32 intmask, int cmd_error, 
	if ((status & CQHCI_IS_RED) || cmd_error || data_error || ice_err) {

#if defined(CONFIG_SDC_QTI)

		mmc->need_hw_reset = true;

		if (status & CQHCI_IS_RED)

			mmc->err_stats[MMC_ERR_CMDQ_RED]++;

		if (status & CQHCI_IS_GCE)

			mmc->err_stats[MMC_ERR_CMDQ_GCE]++;

		if (status & CQHCI_IS_ICCE)

			mmc->err_stats[MMC_ERR_CMDQ_ICCE]++;

#endif

		cqhci_error_irq(mmc, status, cmd_error, data_error);

	}

drivers/mmc/host/sdhci-msm.c

+16 −0
Original line number Diff line number Diff line
@@ -4064,6 +4064,22 @@ static ssize_t err_stats_show(struct device *dev, 
		host->mmc->err_stats[MMC_ERR_TUNING]);

	strlcat(buf, tmp, PAGE_SIZE);



	scnprintf(tmp, sizeof(tmp), "# CMDQ RED Errors: %d\n",

		host->mmc->err_stats[MMC_ERR_CMDQ_RED]);

	strlcat(buf, tmp, PAGE_SIZE);



	scnprintf(tmp, sizeof(tmp), "# CMDQ GCE Errors: %d\n",

		host->mmc->err_stats[MMC_ERR_CMDQ_GCE]);

	strlcat(buf, tmp, PAGE_SIZE);



	scnprintf(tmp, sizeof(tmp), "# CMDQ ICCE Errors: %d\n",

		host->mmc->err_stats[MMC_ERR_CMDQ_ICCE]);

	strlcat(buf, tmp, PAGE_SIZE);



	scnprintf(tmp, sizeof(tmp), "# CMDQ Request Timedout: %d\n",

		host->mmc->err_stats[MMC_ERR_CMDQ_REQ_TIMEOUT]);

	strlcat(buf, tmp, PAGE_SIZE);



	scnprintf(tmp, sizeof(tmp), "# Request Timedout Error: %d\n",

		host->mmc->err_stats[MMC_ERR_REQ_TIMEOUT]);

	strlcat(buf, tmp, PAGE_SIZE);

drivers/mmc/host/sdhci.c

+24 −7
Original line number Diff line number Diff line
@@ -3726,20 +3726,37 @@ bool sdhci_cqe_irq(struct sdhci_host *host, u32 intmask, int *cmd_error, 
	if (!host->cqe_on)

		return false;



	if (intmask & (SDHCI_INT_INDEX | SDHCI_INT_END_BIT | SDHCI_INT_CRC))

	if (intmask & (SDHCI_INT_INDEX | SDHCI_INT_END_BIT | SDHCI_INT_CRC)) {

		*cmd_error = -EILSEQ;

	else if (intmask & SDHCI_INT_TIMEOUT)

#if defined(CONFIG_SDC_QTI)

		if (intmask & SDHCI_INT_CRC)

			host->mmc->err_stats[MMC_ERR_CMD_CRC]++;

#endif

	} else if (intmask & SDHCI_INT_TIMEOUT) {

		*cmd_error = -ETIMEDOUT;

	else

#if defined(CONFIG_SDC_QTI)

		host->mmc->err_stats[MMC_ERR_CMD_TIMEOUT]++;

#endif

	} else

		*cmd_error = 0;



	if (intmask & (SDHCI_INT_DATA_END_BIT | SDHCI_INT_DATA_CRC))

	if (intmask & (SDHCI_INT_DATA_END_BIT | SDHCI_INT_DATA_CRC)) {

		*data_error = -EILSEQ;

	else if (intmask & SDHCI_INT_DATA_TIMEOUT)

#if defined(CONFIG_SDC_QTI)

		if (intmask & SDHCI_INT_DATA_CRC)

			host->mmc->err_stats[MMC_ERR_DAT_CRC]++;

#endif

	} else if (intmask & SDHCI_INT_DATA_TIMEOUT) {

		*data_error = -ETIMEDOUT;

	else if (intmask & SDHCI_INT_ADMA_ERROR)

#if defined(CONFIG_SDC_QTI)

		host->mmc->err_stats[MMC_ERR_DAT_TIMEOUT]++;

#endif

	} else if (intmask & SDHCI_INT_ADMA_ERROR) {

		*data_error = -EIO;

	else

#if defined(CONFIG_SDC_QTI)

		host->mmc->err_stats[MMC_ERR_ADMA]++;

#endif

	} else

		*data_error = 0;



	/* Clear selected interrupts. */