From: Karan Tilak Kumar Date: Fri, 13 May 2022 20:56:05 +0000 (-0700) Subject: scsi: fnic: Replace DMA mask of 64 bits with 47 bits X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=b559b99a5c08194c14dc271e69ca786771b353dc;p=linux.git scsi: fnic: Replace DMA mask of 64 bits with 47 bits Cisco VIC supports only 47 bits. If the host sends DMA addresses that are greater than 47 bits, it causes work queue (WQ) errors in the VIC. Link: https://lore.kernel.org/r/20220513205605.81788-1-kartilak@cisco.com Tested-by: Karan Tilak Kumar Co-developed-by: Dhanraj Jhawar Signed-off-by: Dhanraj Jhawar Co-developed-by: Sesidhar Baddela Signed-off-by: Sesidhar Baddela Signed-off-by: Arulprabhu Ponnusamy Signed-off-by: Karan Tilak Kumar Signed-off-by: Martin K. Petersen --- diff --git a/drivers/scsi/fnic/fnic.h b/drivers/scsi/fnic/fnic.h index aa07189fb5fb0..85ec6163ddab6 100644 --- a/drivers/scsi/fnic/fnic.h +++ b/drivers/scsi/fnic/fnic.h @@ -39,7 +39,7 @@ #define DRV_NAME "fnic" #define DRV_DESCRIPTION "Cisco FCoE HBA Driver" -#define DRV_VERSION "1.6.0.53" +#define DRV_VERSION "1.6.0.54" #define PFX DRV_NAME ": " #define DFX DRV_NAME "%d: " diff --git a/drivers/scsi/fnic/fnic_main.c b/drivers/scsi/fnic/fnic_main.c index 460e03a55096b..51e7c344ddc3e 100644 --- a/drivers/scsi/fnic/fnic_main.c +++ b/drivers/scsi/fnic/fnic_main.c @@ -612,10 +612,10 @@ static int fnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent) pci_set_master(pdev); /* Query PCI controller on system for DMA addressing - * limitation for the device. Try 64-bit first, and - * fail to 32-bit. + * limitation for the device. Try 47-bit first, and + * fail to 32-bit. Cisco VIC supports 47 bits only. */ - err = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(64)); + err = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(47)); if (err) { err = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(32)); if (err) {