From: "Martin K. Petersen" <martin.petersen@oracle.com>
To: Suganath Prabu <suganath-prabu.subramani@broadcom.com>
Cc: linux-scsi@vger.kernel.org, stable@vger.kernel.org,
Sathya.Prakash@broadcom.com, kashyap.desai@broadcom.com,
sreekanth.reddy@broadcom.com
Subject: Re: [PATCH v2] mpt3sas: Use 63-bit DMA addressing on SAS35 HBA
Date: Tue, 30 Jul 2019 12:47:33 -0400 [thread overview]
Message-ID: <yq1mugvmpui.fsf@oracle.com> (raw)
In-Reply-To: <1564472637-8062-1-git-send-email-suganath-prabu.subramani@broadcom.com> (Suganath Prabu's message of "Tue, 30 Jul 2019 03:43:57 -0400")
Suganath,
> Although SAS3 & SAS3.5 IT HBA controllers support 64-bit DMA
> addressing, as per hardware design, if DMA able range contains all
> 64-bits set (0xFFFFFFFF-FFFFFFFF) then it results in a firmware fault.
Applied to 5.3/scsi-fixes. Thanks!
--
Martin K. Petersen Oracle Linux Engineering
prev parent reply other threads:[~2019-07-30 16:47 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-07-30 7:43 [PATCH v2] mpt3sas: Use 63-bit DMA addressing on SAS35 HBA Suganath Prabu
2019-07-30 16:47 ` Martin K. Petersen [this message]
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