From: Vinod Koul <vinod.koul@intel.com>
To: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Cc: linux-acpi@vger.kernel.org, linux-pm@vger.kernel.org,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Lee Jones <lee.jones@linaro.org>,
Mika Westerberg <mika.westerberg@linux.intel.com>,
linux-kernel@vger.kernel.org, dmaengine@vger.kernel.org,
Heikki Krogerus <heikki.krogerus@linux.intel.com>,
Jarkko Nikula <jarkko.nikula@linux.intel.com>,
"Wysocki, Rafael J" <rafael.j.wysocki@intel.com>,
mturquette@baylibre.com, sboyd@codeaurora.org
Subject: Re: [PATCH v6 7/8] dmaengine: add a driver for Intel integrated DMA 64-bit
Date: Tue, 28 Jul 2015 14:13:47 +0530 [thread overview]
Message-ID: <20150728084347.GB29916@localhost> (raw)
In-Reply-To: <1438009443-55317-8-git-send-email-andriy.shevchenko@linux.intel.com>
On Mon, Jul 27, 2015 at 06:04:02PM +0300, Andy Shevchenko wrote:
> Intel integrated DMA (iDMA) 64-bit is a specific IP that is used as a part of
> LPSS devices such as HSUART or SPI. The iDMA IP is attached for private
> usage on each host controller independently.
>
> While it has similarities with Synopsys DesignWare DMA, the following
> distinctions doesn't allow to use the existing driver:
> - 64-bit mode with corresponding changes in Hardware Linked List data structure
> - many slight differences in the channel registers
>
> Moreover this driver is based on the DMA virtual channels framework that helps
> to make the driver cleaner and easy to understand.
Acked-by: Vinod Koul <vinod.koul@intel.com>
--
~Vinod
next prev parent reply other threads:[~2015-07-28 8:43 UTC|newest]
Thread overview: 41+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-07-27 15:03 [PATCH v6 0/8] mfd: introduce a driver for LPSS devices on SPT Andy Shevchenko
2015-07-27 15:03 ` [PATCH v6 1/8] PM / QoS: Make it possible to expose device latency tolerance to userspace Andy Shevchenko
2015-07-28 7:47 ` Lee Jones
2015-07-27 15:03 ` [PATCH v6 2/8] ACPI / PM: Attach ACPI power domain only once Andy Shevchenko
2015-07-28 7:47 ` Lee Jones
2015-07-28 7:47 ` Lee Jones
2015-07-27 15:03 ` [PATCH v6 3/8] Driver core: wakeup the parent device before trying probe Andy Shevchenko
2015-07-28 7:47 ` Lee Jones
2015-07-27 15:03 ` [PATCH v6 4/8] klist: implement klist_prev() Andy Shevchenko
2015-07-28 7:47 ` Lee Jones
2015-07-27 15:04 ` [PATCH v6 5/8] driver core: implement device_for_each_child_reverse() Andy Shevchenko
2015-07-28 7:48 ` Lee Jones
2015-07-27 15:04 ` [PATCH v6 6/8] mfd: make mfd_remove_devices() iterate in reverse order Andy Shevchenko
2015-07-28 7:48 ` Lee Jones
2015-07-28 7:48 ` Lee Jones
2015-07-27 15:04 ` [PATCH v6 7/8] dmaengine: add a driver for Intel integrated DMA 64-bit Andy Shevchenko
2015-07-28 7:48 ` Lee Jones
2015-07-28 7:53 ` Lee Jones
2015-07-28 8:14 ` Andy Shevchenko
2015-07-28 8:43 ` Vinod Koul [this message]
2015-07-27 15:04 ` [PATCH v6 8/8] mfd: Add support for Intel Sunrisepoint LPSS devices Andy Shevchenko
2015-07-28 7:48 ` Lee Jones
2015-07-29 22:44 ` Michael Turquette
2015-07-29 22:44 ` Michael Turquette
2015-07-29 23:30 ` Rafael J. Wysocki
2015-07-30 10:19 ` Andy Shevchenko
2015-07-27 15:27 ` [PATCH v6 0/8] mfd: introduce a driver for LPSS devices on SPT Lee Jones
2015-07-27 16:04 ` Mika Westerberg
2015-07-27 16:24 ` Lee Jones
2015-07-27 16:24 ` Lee Jones
2015-07-27 21:48 ` Rafael J. Wysocki
2015-07-27 21:27 ` Lee Jones
2015-07-27 21:29 ` Lee Jones
2015-07-27 21:29 ` Lee Jones
2015-07-27 22:03 ` Rafael J. Wysocki
2015-07-28 7:46 ` Lee Jones
2015-07-28 8:59 ` Lee Jones
2015-07-28 8:59 ` Lee Jones
2015-07-28 9:00 ` [GIT PULL] mfd: Immutable branch between MFD, Base, ACPI and DMA Lee Jones
2015-07-28 9:02 ` [PATCH v6 0/8] mfd: introduce a driver for LPSS devices on SPT Mika Westerberg
2015-07-29 0:30 ` Rafael J. Wysocki
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=20150728084347.GB29916@localhost \
--to=vinod.koul@intel.com \
--cc=andriy.shevchenko@linux.intel.com \
--cc=dmaengine@vger.kernel.org \
--cc=gregkh@linuxfoundation.org \
--cc=heikki.krogerus@linux.intel.com \
--cc=jarkko.nikula@linux.intel.com \
--cc=lee.jones@linaro.org \
--cc=linux-acpi@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-pm@vger.kernel.org \
--cc=mika.westerberg@linux.intel.com \
--cc=mturquette@baylibre.com \
--cc=rafael.j.wysocki@intel.com \
--cc=sboyd@codeaurora.org \
/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.