[Devel] Re: [PATCH 2.6.19-rc2] scsi: megaraid_{mm, mbox}: 64-bit DMA capability fix
James Bottomley
James.Bottomley at SteelEye.com
Mon Oct 16 12:34:44 PDT 2006
On Mon, 2006-10-16 at 12:08 +0400, Vasily Averin wrote:
> 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: Andrey Mirkin <amirkin at sw.ru>
> Ack-by: Vasily Averin <vvs at sw.ru>
>
> --- linux-2.6.19-rc2/drivers/scsi/megaraid/megaraid_mbox.c.mgst6 2006-10-16
> 10:26:50.000000000 +0400
> +++ linux-2.6.19-rc2/drivers/scsi/megaraid/megaraid_mbox.c 2006-10-16
> 11:30:55.000000000 +0400
> @@ -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 &&
Er ... this patch would apply in reverse, but what's in the tree
currently looks to be correct.
James
More information about the Devel
mailing list