Commit f52a805e authored by Ziqi Chen's avatar Ziqi Chen Committed by Martin K. Petersen
Browse files

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



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

Signed-off-by: default avatarZiqi Chen <quic_ziqichen@quicinc.com>
Link: https://lore.kernel.org/r/1689065327-45039-1-git-send-email-quic_ziqichen@quicinc.com


Signed-off-by: default avatarMartin K. Petersen <martin.petersen@oracle.com>
parent 8f2b7865

drivers/ufs/host/ufs-qcom.c

+4 −0
Original line number Diff line number Diff line
@@ -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 &&