From: Vinod Koul <vinod.koul@intel.com>
To: Chew Chiau Ee <chiau.ee.chew@intel.com>
Cc: Viresh Kumar <viresh.linux@gmail.com>,
Andy Shevchenko <andriy.shevchenko@linux.jf.intel.com>,
Dan Williams <dan.j.williams@intel.com>,
dmaengine@vger.kernel.org, linux-kernel@vger.kernel.org,
Lim Lee Booi <lee.booi.lim@intel.com>
Subject: Re: [PATCH v2] dma: dw: Add suspend and resume handling for PCI mode DW_DMAC.
Date: Wed, 26 Mar 2014 11:53:06 +0530 [thread overview]
Message-ID: <20140326062306.GM1976@intel.com> (raw)
In-Reply-To: <1394820159-562-1-git-send-email-chiau.ee.chew@intel.com>
On Sat, Mar 15, 2014 at 02:02:39AM +0800, Chew Chiau Ee wrote:
> From: Chew, Chiau Ee <chiau.ee.chew@intel.com>
>
> This is to disable/enable DW_DMAC hw during late suspend/early resume.
> Since DMA is providing service to other clients (eg: SPI, HSUART),
> we need to ensure DMA suspends after the clients and resume
> before the clients are active.
>
> Signed-off-by: Chew, Chiau Ee <chiau.ee.chew@intel.com>
Rather than bunch of ifdef, would make sense to provde a mcros in dmaengine core
to do so as we expect all dmaengine drivers to be late probe
Applied thanks
--
~Vinod
prev parent reply other threads:[~2014-03-26 6:29 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-03-14 18:02 [PATCH v2] dma: dw: Add suspend and resume handling for PCI mode DW_DMAC Chew Chiau Ee
2014-03-14 11:28 ` Andy Shevchenko
2014-03-14 17:21 ` Viresh Kumar
2014-03-26 6:23 ` Vinod Koul [this message]
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