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Commit 8741ca71 authored by Andrey Mirkin's avatar Andrey Mirkin Committed by Linus Torvalds
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[PATCH] scsi: megaraid_{mm,mbox}: 64-bit DMA capability fix 



It is known that 2 LSI Logic MegaRAID SATA RAID Controllers (150-4 and
150-6) don't support 64-bit DMA.  Unfortunately currently this check is
wrong and driver sets 64-bit DMA mode for these devices.

Signed-off-by: default avatarAndrey Mirkin <amirkin@sw.ru>
Acked-by: default avatarVasily Averin <vvs@sw.ru>
Signed-off-by: default avatarLinus Torvalds <torvalds@osdl.org>
parent 3a42bb22

drivers/scsi/megaraid/megaraid_mbox.c

+1 −1
Original line number Diff line number Diff line
@@ -884,7 +884,7 @@ megaraid_init_mbox(adapter_t *adapter) 


	if (((magic64 == HBA_SIGNATURE_64_BIT) &&

		((adapter->pdev->subsystem_device !=

		PCI_SUBSYS_ID_MEGARAID_SATA_150_6) ||

		PCI_SUBSYS_ID_MEGARAID_SATA_150_6) &&

		(adapter->pdev->subsystem_device !=

		PCI_SUBSYS_ID_MEGARAID_SATA_150_4))) ||

		(adapter->pdev->vendor == PCI_VENDOR_ID_LSI_LOGIC &&