From: "Martin K. Petersen" <mkp@kernel.org>
To: Matthew Whitehead <tedheadster@gmail.com>
Cc: linux-scsi@vger.kernel.org, mkp@kernel.org,
James.Bottomley@hansenpartnership.com, loberman@redhat.com,
emilne@redhat.com
Subject: Re: [PATCH] scsi: aha1542: Remove unneeded scsi_dma_unmap() call
Date: Wed, 28 Oct 2026 21:35:11 -0400 [thread overview]
Message-ID: <yq1fqxp47cq.fsf@mail.kernel.org> (raw)
In-Reply-To: <20260929144528.7061-1-tedheadster@gmail.com>
Matthew,
> aha1542 never DMA maps the command's scatterlist. Data is bounced
> through a per-command buffer allocated with dma_alloc_coherent() in
> aha1542_init_cmd_priv(), the adapter is programmed with
> acmd->data_buffer_handle, and the payload is copied to and from the
> request segments in aha1542_queuecommand() and aha1542_free_cmd().
Applied to 7.4/scsi-staging, thanks!
--
Martin K. Petersen
prev parent reply other threads:[~2026-10-29 1:35 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-09-29 14:45 [PATCH] scsi: aha1542: Remove unneeded scsi_dma_unmap() call Matthew Whitehead
2026-10-07 17:08 ` Laurence Oberman
2026-10-29 1:35 ` Martin K. Petersen [this message]
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