From: Wolfram Sang <wsa@the-dreams.de>
To: Sanchayan Maity <maitysanchayan@gmail.com>
Cc: linux-input@vger.kernel.org, linux-i2c@vger.kernel.org,
dmitry.torokhov@gmail.com, linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
maxime.ripard@free-electrons.com, stefan@agner.ch
Subject: Re: touchscreen: edt-ft5x06: Prevent DMA driver from mapping an area on stack
Date: Sat, 12 Dec 2015 18:13:55 +0100 [thread overview]
Message-ID: <20151212171355.GA7362@katana> (raw)
In-Reply-To: <e0311a5e79a315814e8678c9ef4a32563c01d1e0.1449913392.git.maitysanchayan@gmail.com>
[-- Attachment #1: Type: text/plain, Size: 526 bytes --]
> Frankly speaking I do not know where the fix should actually be. I2C IMX
> driver somehow taking care of this or the users of I2C, touchscreen drivers
> in this case. In my opinion, the fix should be with the touchscreen driver
> however I did like to have feedback or hear opinions on what is the accepted
> solution to this.
There is no accepted solution to this yet :( DMA is/was still too rare for
a serious discussion about this. There is also [1] and probably more...
[1] http://patchwork.ozlabs.org/patch/220137/
[-- Attachment #2: Digital signature --]
[-- Type: application/pgp-signature, Size: 819 bytes --]
next prev parent reply other threads:[~2015-12-12 17:13 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-12-12 10:09 [PATCH] touchscreen: edt-ft5x06: Prevent DMA driver from mapping an area on stack Sanchayan Maity
2015-12-12 17:13 ` Wolfram Sang [this message]
2015-12-13 4:42 ` Dmitry Torokhov
2015-12-14 7:53 ` maitysanchayan
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=20151212171355.GA7362@katana \
--to=wsa@the-dreams.de \
--cc=dmitry.torokhov@gmail.com \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=linux-i2c@vger.kernel.org \
--cc=linux-input@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=maitysanchayan@gmail.com \
--cc=maxime.ripard@free-electrons.com \
--cc=stefan@agner.ch \
/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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).