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authorShaik Sajida Bhanu <quic_c_sbhanu@quicinc.com>2022-05-27 23:23:56 +0530
committerUlf Hansson <ulf.hansson@linaro.org>2022-07-12 12:25:35 +0200
commite5f7a3c64c0151da7080bebbe2940f00c3a4162e (patch)
treea71b1370307732680720bbc15625f8db951e4ee1 /drivers/mmc
parentmmc: debugfs: Add debug fs error state entry for mmc driver (diff)
downloadlinux-dev-e5f7a3c64c0151da7080bebbe2940f00c3a4162e.tar.xz
linux-dev-e5f7a3c64c0151da7080bebbe2940f00c3a4162e.zip
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: 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> Link: https://lore.kernel.org/r/1653674036-21829-6-git-send-email-quic_c_sbhanu@quicinc.com Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Diffstat (limited to 'drivers/mmc')
-rw-r--r--drivers/mmc/host/cqhci-core.c9
1 files changed, 8 insertions, 1 deletions
diff --git a/drivers/mmc/host/cqhci-core.c b/drivers/mmc/host/cqhci-core.c
index b0d30c35c390..b3d7d6d8d654 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 */