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FROMGIT: mmc: cqhci: Capture eMMC and SD card errors

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

(cherry picked from commit 38def9680980e9d1eeeb4ca37937101201b6c5d7
 https://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc.git devel)
Bug: 233007144
Link: https://lore.kernel.org/lkml/1652857340-6040-6-git-send-email-quic_c_sbhanu@quicinc.com/
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>
Change-Id: Ie2bfa597623523dbce17623f7ced13b8bd699e76
This commit is contained in:
Shaik Sajida Bhanu
2022-05-18 12:32:20 +05:30
committed by Carlos Llamas
parent 232df716fb
commit 377ef18ed6
1 changed files with 8 additions and 1 deletions
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9
drivers/mmc/host/cqhci-core.c
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@@ -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); pr_debug("%s: cqhci: IRQ status: 0x%08x\n", mmc_hostname(mmc), status);
if ((status & (CQHCI_IS_RED | CQHCI_IS_GCE | CQHCI_IS_ICCE)) || 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); cqhci_error_irq(mmc, status, cmd_error, data_error);
}
if (status & CQHCI_IS_TCC) { if (status & CQHCI_IS_TCC) {
/* read TCN and complete the request */ /* read TCN and complete the request */