Commit e5f7a3c6 authored by Shaik Sajida Bhanu's avatar Shaik Sajida Bhanu Committed by Ulf Hansson
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mmc: cqhci: Capture eMMC and SD card errors 



Add changes to capture eMMC and SD card errors.
This is useful for debug and testing.

Signed-off-by: default avatarLiangliang Lu <quic_luliang@quicinc.com>
Signed-off-by: default avatarSayali Lokhande <quic_sayalil@quicinc.com>
Signed-off-by: default avatarBao D. Nguyen <quic_nguyenb@quicinc.com>
Signed-off-by: default avatarRam Prakash Gupta <quic_rampraka@quicinc.com>
Signed-off-by: default avatarShaik Sajida Bhanu <quic_c_sbhanu@quicinc.com>
Acked-by: default avatarAdrian Hunter <adrian.hunter@intel.com>
Link: https://lore.kernel.org/r/1653674036-21829-6-git-send-email-quic_c_sbhanu@quicinc.com


Signed-off-by: default avatarUlf Hansson <ulf.hansson@linaro.org>
parent fadf344e

drivers/mmc/host/cqhci-core.c

+8 −1
Original line number Diff line number Diff line
@@ -822,8 +822,15 @@ irqreturn_t cqhci_irq(struct mmc_host *mmc, u32 intmask, int cmd_error, 
	pr_debug("%s: cqhci: IRQ status: 0x%08x\n", mmc_hostname(mmc), status);



	if ((status & (CQHCI_IS_RED | CQHCI_IS_GCE | CQHCI_IS_ICCE)) ||

	    cmd_error || data_error)

	    cmd_error || data_error) {

		if (status & CQHCI_IS_RED)

			mmc_debugfs_err_stats_inc(mmc, MMC_ERR_CMDQ_RED);

		if (status & CQHCI_IS_GCE)

			mmc_debugfs_err_stats_inc(mmc, MMC_ERR_CMDQ_GCE);

		if (status & CQHCI_IS_ICCE)

			mmc_debugfs_err_stats_inc(mmc, MMC_ERR_CMDQ_ICCE);

		cqhci_error_irq(mmc, status, cmd_error, data_error);

	}



	if (status & CQHCI_IS_TCC) {

		/* read TCN and complete the request */