diff mbox series

[V6,5/5] mmc: cqhci: Capture eMMC and SD card errors

Message ID 1652857340-6040-6-git-send-email-quic_c_sbhanu@quicinc.com
State Superseded
Headers show
Series mmc: add error statistics for eMMC and SD card | expand

Commit Message

Shaik Sajida Bhanu May 18, 2022, 7:02 a.m. UTC
Add changes to capture eMMC and SD card errors.
This is useful for debug and testing.

Signed-off-by: Liangliang Lu <quic_luliang@quicinc.com>
Signed-off-by: Sayali Lokhande <quic_sayalil@quicinc.com>
Signed-off-by: Bao D. Nguyen <quic_nguyenb@quicinc.com>
Signed-off-by: Ram Prakash Gupta <quic_rampraka@quicinc.com>
Signed-off-by: Shaik Sajida Bhanu <quic_c_sbhanu@quicinc.com>
---
 drivers/mmc/host/cqhci-core.c | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

Comments

Adrian Hunter May 23, 2022, 7:15 a.m. UTC | #1
On 18/05/22 10:02, Shaik Sajida Bhanu wrote:
> Add changes to capture eMMC and SD card errors.
> This is useful for debug and testing.
> 
> Signed-off-by: Liangliang Lu <quic_luliang@quicinc.com>
> Signed-off-by: Sayali Lokhande <quic_sayalil@quicinc.com>
> Signed-off-by: Bao D. Nguyen <quic_nguyenb@quicinc.com>
> Signed-off-by: Ram Prakash Gupta <quic_rampraka@quicinc.com>
> Signed-off-by: Shaik Sajida Bhanu <quic_c_sbhanu@quicinc.com>

Acked-by: Adrian Hunter <adrian.hunter@intel.com>

> ---
>  drivers/mmc/host/cqhci-core.c | 9 ++++++++-
>  1 file changed, 8 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/mmc/host/cqhci-core.c b/drivers/mmc/host/cqhci-core.c
> index 31f8412..7f25cca 100644
> --- a/drivers/mmc/host/cqhci-core.c
> +++ b/drivers/mmc/host/cqhci-core.c
> @@ -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 */
diff mbox series

Patch

diff --git a/drivers/mmc/host/cqhci-core.c b/drivers/mmc/host/cqhci-core.c
index 31f8412..7f25cca 100644
--- a/drivers/mmc/host/cqhci-core.c
+++ b/drivers/mmc/host/cqhci-core.c
@@ -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 */