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: 35+ 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
2015-07-27 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
2015-07-27 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 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 21:48 ` Rafael J. Wysocki
2015-07-27 21:27 ` 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 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
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