From: Frederic Danis <frederic.danis@linux.intel.com>
To: Greg KH <gregkh@linuxfoundation.org>, andriy.shevchenko@linux.intel.com
Cc: linux-serial@vger.kernel.org, peter@hurleysoftware.com,
linux-bluetooth@vger.kernel.org, heikki.krogerus@linux.intel.com,
marcel@holtmann.org
Subject: Re: [PATCH v2] Revert "serial: 8250_dma: don't bother DMA with small transfers"
Date: Tue, 6 Oct 2015 16:23:36 +0200 [thread overview]
Message-ID: <5613D968.7000505@linux.intel.com> (raw)
In-Reply-To: <20151006135503.GA13250@kroah.com>
Hello Greg,
On 06/10/2015 15:55, Greg KH wrote:
> On Tue, Oct 06, 2015 at 03:08:40PM +0200, Frederic Danis wrote:
>> This reverts commit 9119fba0cfeda6d415c9f068df66838a104b87cb.
>>
>> This commit prevents from sending "big" file using Bluetooth.
>> When sending a lot of data quickly through the Bluetooth interface, and
>> after a variable amount of data sent, transfer fails with error:
>> kernel: [ 415.247453] Bluetooth: hci0 hardware error 0x00
>>
>> Found on T100TA.
>>
>> After reverting this commit, send works fine for any file size.
>>
>> Signed-off-by: Frederic Danis <frederic.danis@linux.intel.com>
>> ---
>> v2: Re-send to correct people
>>
>> drivers/tty/serial/8250/8250_dma.c | 4 ----
>> 1 file changed, 4 deletions(-)
>
> Andy, any objections?
>
> Frederic, don't you want to see this backported to 4.0 and newer?
Yes, you're right, unless Andy has any objection this should be good
Regards
Fred
WARNING: multiple messages have this Message-ID (diff)
From: Frederic Danis <frederic.danis-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>
To: Greg KH
<gregkh-hQyY1W1yCW8ekmWlsbkhG0B+6BGkLq7r@public.gmane.org>,
andriy.shevchenko-VuQAYsv1563Yd54FQh9/CA@public.gmane.org
Cc: linux-serial-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
peter-WaGBZJeGNqdsbIuE7sb01tBPR1lH4CV8@public.gmane.org,
linux-bluetooth-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
heikki.krogerus-VuQAYsv1563Yd54FQh9/CA@public.gmane.org,
marcel-kz+m5ild9QBg9hUCZPvPmw@public.gmane.org
Subject: Re: [PATCH v2] Revert "serial: 8250_dma: don't bother DMA with small transfers"
Date: Tue, 6 Oct 2015 16:23:36 +0200 [thread overview]
Message-ID: <5613D968.7000505@linux.intel.com> (raw)
In-Reply-To: <20151006135503.GA13250-U8xfFu+wG4EAvxtiuMwx3w@public.gmane.org>
Hello Greg,
On 06/10/2015 15:55, Greg KH wrote:
> On Tue, Oct 06, 2015 at 03:08:40PM +0200, Frederic Danis wrote:
>> This reverts commit 9119fba0cfeda6d415c9f068df66838a104b87cb.
>>
>> This commit prevents from sending "big" file using Bluetooth.
>> When sending a lot of data quickly through the Bluetooth interface, and
>> after a variable amount of data sent, transfer fails with error:
>> kernel: [ 415.247453] Bluetooth: hci0 hardware error 0x00
>>
>> Found on T100TA.
>>
>> After reverting this commit, send works fine for any file size.
>>
>> Signed-off-by: Frederic Danis <frederic.danis-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>
>> ---
>> v2: Re-send to correct people
>>
>> drivers/tty/serial/8250/8250_dma.c | 4 ----
>> 1 file changed, 4 deletions(-)
>
> Andy, any objections?
>
> Frederic, don't you want to see this backported to 4.0 and newer?
Yes, you're right, unless Andy has any objection this should be good
Regards
Fred
next prev parent reply other threads:[~2015-10-06 14:23 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-10-06 13:08 [PATCH v2] Revert "serial: 8250_dma: don't bother DMA with small transfers" Frederic Danis
2015-10-06 13:08 ` Frederic Danis
2015-10-06 13:55 ` Greg KH
2015-10-06 13:55 ` Greg KH
2015-10-06 14:23 ` Frederic Danis [this message]
2015-10-06 14:23 ` Frederic Danis
2015-10-09 14:45 ` Frederic Danis
2015-10-09 14:45 ` Frederic Danis
2015-10-09 14:48 ` Andy Shevchenko
2015-10-09 14:48 ` Andy Shevchenko
2015-10-09 15:09 ` Fabio Estevam
2015-10-09 15:09 ` Fabio Estevam
2015-10-06 14:39 ` Andy Shevchenko
2015-10-06 14:39 ` Andy Shevchenko
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=5613D968.7000505@linux.intel.com \
--to=frederic.danis@linux.intel.com \
--cc=andriy.shevchenko@linux.intel.com \
--cc=gregkh@linuxfoundation.org \
--cc=heikki.krogerus@linux.intel.com \
--cc=linux-bluetooth@vger.kernel.org \
--cc=linux-serial@vger.kernel.org \
--cc=marcel@holtmann.org \
--cc=peter@hurleysoftware.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.