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mmc: sdhci-msm: Restore CMDQ_VENDOR_SPECIFIC_CFG register correctly

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Restoring CMDQ_SEND_STATUS_TRIGGER field after XO or hardware reset can
lead to CMD13 being send as soon as CQE is turned on which can lead to
below unnecessary warnings followed by register dumps.

[   82.554113] mmc: sdhci_cmd_irq: Got command interrupt 0x00000001 even
though no command operation was in progress.

Unset that bit before restoring CMDQ_VENDOR_SPECIFIC_CFG register.

Change-Id: Id5961ecdd68b0d7cbc1c48c116f9e862a1dfc573
Signed-off-by: Sarthak Garg <sartgarg@codeaurora.org>
This commit is contained in:
Sarthak Garg 2021-08-11 10:29:43 +05:30 • committed by Gerrit - the friendly Code Review server
commit 1faebd2859
1 changed files with 2 additions and 2 deletions
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4
drivers/mmc/host/sdhci-msm.c
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@ -2721,8 +2721,8 @@ static void sdhci_msm_registers_restore(struct sdhci_host *host)
host->ioaddr + msm_offset->core_pwrctl_mask);
if (cq_host)
cqhci_writel(cq_host, msm_host->cqe_regs.cqe_vendor_cfg1,
CQHCI_VENDOR_CFG1);
cqhci_writel(cq_host, msm_host->cqe_regs.cqe_vendor_cfg1 &
~CMDQ_SEND_STATUS_TRIGGER, CQHCI_VENDOR_CFG1);
if (((ios.timing == MMC_TIMING_MMC_HS400) ||
(ios.timing == MMC_TIMING_MMC_HS200) ||