Messages in this thread | | | Date | Mon, 24 Jul 2006 12:08:48 +0400 | From | Vasily Averin <> | Subject | Re: [PATCH 1/3] scsi : megaraid_{mm,mbox}: 64-bit DMA capability checker |
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Ju, Seokmann wrote: > Hi, > With patch, the driver access PCIconfiguration space with dedicated > offset to read a signature. If the signature read, it means that the > controller has capability to handle 64-bit DMA. > Without this patch, the driver blindly claimed 64-bit DMA capability > without checking with controller. > The issue has been reported by Vasily Averin.
> + if (((magic64 == HBA_SIGNATURE_64_BIT) && > + (adapter->pdev->subsystem_device != > + PCI_SUBSYS_ID_MEGARAID_SATA_150_6)) ||
I would note that I've reported about issue on SATA_150_4 device. I can also accept that similar patch fixes this issue.
> + (adapter->pdev->vendor == PCI_VENDOR_ID_LSI_LOGIC && > + adapter->pdev->device == PCI_DEVICE_ID_VERDE) || > + (adapter->pdev->vendor == PCI_VENDOR_ID_LSI_LOGIC && > + adapter->pdev->device == PCI_DEVICE_ID_DOBSON) || > + (adapter->pdev->vendor == PCI_VENDOR_ID_LSI_LOGIC && > + adapter->pdev->device == PCI_DEVICE_ID_LINDSAY) || > + (adapter->pdev->vendor == PCI_VENDOR_ID_DELL && > + adapter->pdev->device == PCI_DEVICE_ID_PERC4_DI_EVERGLADES) || > + (adapter->pdev->vendor == PCI_VENDOR_ID_DELL && > + adapter->pdev->device == PCI_DEVICE_ID_PERC4E_DI_KOBUK)) {
Thank you, Vasily Averin
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