From: Wolfram Sang <wsa@the-dreams.de>
To: Bastian Hecht <hechtb@gmail.com>
Cc: linux-i2c@vger.kernel.org, Linux-SH <linux-sh@vger.kernel.org>,
Tomoya MORINAGA <tomoya.rohm@gmail.com>,
linux-arm-kernel@lists.infradead.org,
open list <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH v2 1/5] i2c: Don't start transfers when suspended
Date: Fri, 19 Sep 2014 19:18:18 +0200 [thread overview]
Message-ID: <20140919171818.GA2874@katana> (raw)
In-Reply-To: <1405608520-5644-1-git-send-email-hechtb@gmail.com>
On Thu, Jul 17, 2014 at 04:48:36PM +0200, Bastian Hecht wrote:
> i2c transfer requests come in very uncontrolled, like from interrupt routines.
> We might be suspended when this happens. To avoid i2c timeouts caused by
> powered down busses we check for suspension.
>
> Several bus drivers handle this problem on their own. We can clean things up
> by moving the protection mechanism into the core.
>
> Signed-off-by: Bastian Hecht <hechtb@gmail.com>
Dropping this series due to the comments. I am not sure if it is worth
to add information about the clients being "normally" suspendable or
not. Thanks Bastian for the effort, though.
WARNING: multiple messages have this Message-ID (diff)
From: Wolfram Sang <wsa@the-dreams.de>
To: linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH v2 1/5] i2c: Don't start transfers when suspended
Date: Fri, 19 Sep 2014 17:18:18 +0000 [thread overview]
Message-ID: <20140919171818.GA2874@katana> (raw)
In-Reply-To: <1405608520-5644-1-git-send-email-hechtb@gmail.com>
On Thu, Jul 17, 2014 at 04:48:36PM +0200, Bastian Hecht wrote:
> i2c transfer requests come in very uncontrolled, like from interrupt routines.
> We might be suspended when this happens. To avoid i2c timeouts caused by
> powered down busses we check for suspension.
>
> Several bus drivers handle this problem on their own. We can clean things up
> by moving the protection mechanism into the core.
>
> Signed-off-by: Bastian Hecht <hechtb@gmail.com>
Dropping this series due to the comments. I am not sure if it is worth
to add information about the clients being "normally" suspendable or
not. Thanks Bastian for the effort, though.
WARNING: multiple messages have this Message-ID (diff)
From: wsa@the-dreams.de (Wolfram Sang)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v2 1/5] i2c: Don't start transfers when suspended
Date: Fri, 19 Sep 2014 19:18:18 +0200 [thread overview]
Message-ID: <20140919171818.GA2874@katana> (raw)
In-Reply-To: <1405608520-5644-1-git-send-email-hechtb@gmail.com>
On Thu, Jul 17, 2014 at 04:48:36PM +0200, Bastian Hecht wrote:
> i2c transfer requests come in very uncontrolled, like from interrupt routines.
> We might be suspended when this happens. To avoid i2c timeouts caused by
> powered down busses we check for suspension.
>
> Several bus drivers handle this problem on their own. We can clean things up
> by moving the protection mechanism into the core.
>
> Signed-off-by: Bastian Hecht <hechtb@gmail.com>
Dropping this series due to the comments. I am not sure if it is worth
to add information about the clients being "normally" suspendable or
not. Thanks Bastian for the effort, though.
next prev parent reply other threads:[~2014-09-19 17:18 UTC|newest]
Thread overview: 49+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-07-17 14:48 [PATCH v2 1/5] i2c: Don't start transfers when suspended Bastian Hecht
2014-07-17 14:48 ` Bastian Hecht
2014-07-17 14:48 ` Bastian Hecht
2014-07-17 14:48 ` Bastian Hecht
2014-07-17 14:48 ` [PATCH v2 2/5] i2c: eg20t: Remove suspension check Bastian Hecht
2014-07-17 14:48 ` Bastian Hecht
2014-07-17 14:48 ` Bastian Hecht
2014-07-17 14:48 ` Bastian Hecht
2014-07-17 14:48 ` [PATCH v3 3/5] i2c: exynos5: " Bastian Hecht
2014-07-17 14:48 ` Bastian Hecht
2014-07-17 14:48 ` Bastian Hecht
2014-07-17 14:48 ` Bastian Hecht
2014-07-17 16:54 ` Bastian Hecht
2014-07-17 16:54 ` Bastian Hecht
2014-07-17 16:54 ` Bastian Hecht
2014-07-17 16:54 ` Bastian Hecht
2014-07-17 14:48 ` [PATCH v2 4/5] i2c: sc3c2410: " Bastian Hecht
2014-07-17 14:48 ` Bastian Hecht
2014-07-17 14:48 ` Bastian Hecht
2014-07-17 14:48 ` Bastian Hecht
2014-07-17 14:48 ` [PATCH v2 5/5] i2c: tegra: " Bastian Hecht
2014-07-17 14:48 ` Bastian Hecht
2014-07-17 14:48 ` Bastian Hecht
2014-07-17 14:48 ` Bastian Hecht
[not found] ` <1405608520-5644-5-git-send-email-hechtb-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2014-07-17 14:59 ` Thierry Reding
2014-07-17 14:59 ` Thierry Reding
2014-07-17 14:59 ` Thierry Reding
2014-07-17 14:59 ` Thierry Reding
2014-07-17 16:52 ` Bastian Hecht
2014-07-17 16:52 ` Bastian Hecht
2014-07-17 16:52 ` Bastian Hecht
2014-07-17 16:52 ` Bastian Hecht
2014-07-17 14:58 ` [PATCH v2 1/5] i2c: Don't start transfers when suspended Bastian Hecht
2014-07-17 14:58 ` Bastian Hecht
2014-07-17 14:58 ` Bastian Hecht
2014-07-17 15:09 ` Wolfram Sang
2014-07-17 15:09 ` Wolfram Sang
2014-07-17 15:09 ` Wolfram Sang
2014-07-22 18:01 ` Grygorii Strashko
2014-07-22 18:46 ` Grygorii Strashko
2014-07-22 18:46 ` Grygorii Strashko
2014-07-22 18:46 ` Grygorii Strashko
[not found] ` <53CEB196.9060903-l0cyMroinI0@public.gmane.org>
2014-07-22 21:20 ` Russell King - ARM Linux
2014-07-22 21:20 ` Russell King - ARM Linux
2014-07-22 21:20 ` Russell King - ARM Linux
2014-07-22 21:20 ` Russell King - ARM Linux
2014-09-19 17:18 ` Wolfram Sang [this message]
2014-09-19 17:18 ` Wolfram Sang
2014-09-19 17:18 ` Wolfram Sang
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