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scsi: ufs: qcom: Hold the mutex lock when configuring ESI

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Lock the MSI descriptor storage of a device when configuring ESI.
Otherwise we would see warnings during boot.

Signed-off-by: Ziqi Chen <quic_ziqichen@quicinc.com>
Link: https://lore.kernel.org/r/1689065327-45039-1-git-send-email-quic_ziqichen@quicinc.com
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Ziqi Chen 2023-07-11 16:48:46 +08:00 committed by Martin K. Petersen
parent 8f2b78652d
commit f52a805e19
1 changed files with 4 additions and 0 deletions
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4
drivers/ufs/host/ufs-qcom.c
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@ -1680,6 +1680,7 @@ static int ufs_qcom_config_esi(struct ufs_hba *hba)
goto out;
}
msi_lock_descs(hba->dev);
msi_for_each_desc(desc, hba->dev, MSI_DESC_ALL) {
ret = devm_request_irq(hba->dev, desc->irq,
ufs_qcom_mcq_esi_handler,
@ -1691,14 +1692,17 @@ static int ufs_qcom_config_esi(struct ufs_hba *hba)
break;
}
}
msi_unlock_descs(hba->dev);
if (ret) {
/* Rewind */
msi_lock_descs(hba->dev);
msi_for_each_desc(desc, hba->dev, MSI_DESC_ALL) {
if (desc == failed_desc)
break;
devm_free_irq(hba->dev, desc->irq, hba);
}
msi_unlock_descs(hba->dev);
platform_msi_domain_free_irqs(hba->dev);
} else {
if (host->hw_ver.major == 6 && host->hw_ver.minor == 0 &&