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]
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=yq1fqxp47cq.fsf@mail.kernel.org \
--to=mkp@kernel.org \
--cc=James.Bottomley@hansenpartnership.com \
--cc=emilne@redhat.com \
--cc=linux-scsi@vger.kernel.org \
--cc=loberman@redhat.com \
--cc=tedheadster@gmail.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.