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From: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
To: Sagar Dharia <sdharia@codeaurora.org>,
	gregkh@linuxfoundation.org, bp@suse.de, poeschel@lemonage.de,
	treding@nvidia.com, broonie@kernel.org,
	gong.chen@linux.intel.com, andreas.noever@gmail.com,
	alan@linux.intel.com, mathieu.poirier@linaro.org,
	daniel@ffwll.ch, oded.gabbay@amd.com, jkosina@suse.cz,
	sharon.dvir1@mail.huji.ac.il, joe@perches.com,
	davem@davemloft.net, james.hogan@imgtec.com,
	michael.opdenacker@free-electrons.com,
	daniel.thompson@linaro.org, linux-kernel@vger.kernel.org
Cc: nkaje@codeaurora.org, kheitke@audience.com,
	mlocke@codeaurora.org, agross@codeaurora.org,
	linux-arm-msm@vger.kernel.org
Subject: Re: [PATCH V2 1/6] SLIMbus: Device management on SLIMbus
Date: Thu, 18 Jun 2015 22:39:16 +0100
Message-ID: <55833A84.3030303@linaro.org> (raw)
In-Reply-To: <1434505564-14333-2-git-send-email-sdharia@codeaurora.org>



On 17/06/15 02:45, Sagar Dharia wrote:
> SLIMbus (Serial Low Power Interchip Media Bus) is a specification
> developed by MIPI (Mobile Industry Processor Interface) alliance.
> SLIMbus is a 2-wire implementation, which is used to communicate with
> peripheral components like audio-codec.
> SLIMbus uses Time-Division-Multiplexing to accommodate multiple data
> channels, and control channel. Control channel has messages to do
> device-enumeration, messages to send/receive control-data to/from
> slimbus devices, messages for port/channel management, and messages to
> do bandwidth allocation.
> The framework supports multiple instances of the bus (1 controller per
> bus), and multiple slave devices per controller.
>
> This patch does device enumeration, logical address assignment,
> informing device when the device reports present/absent etc.
> Reporting present may need the driver to do the needful (e.g. turning
> on voltage regulators powering the device). So probe is called
> if the device is added to board-info list for a controller.
> Additionally device is probed when it reports present if that device
> doesn't need any such steps mentioned above.
>
> Signed-off-by: Sagar Dharia <sdharia@codeaurora.org>

I think I was not as fast as you sent the v2 :-)
However my comments on v1 patcset mostly still applies to v2 as well.

--srini

  parent reply index

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-06-17  1:45 [PATCH V2 0/6] Introduce framework for SLIMbus device drivers Sagar Dharia
2015-06-17  1:45 ` [PATCH V2 1/6] SLIMbus: Device management on SLIMbus Sagar Dharia
2015-06-17  3:38   ` Joe Perches
2015-06-17 13:16   ` Mark Brown
2015-06-17 17:36     ` Sagar Dharia
2015-06-18 21:39   ` Srinivas Kandagatla [this message]
2015-06-19  8:22   ` Daniel Thompson
2015-06-17  1:46 ` [PATCH V2 2/6] of/slimbus: OF helper for SLIMbus Sagar Dharia
2015-06-17 13:09   ` Mark Brown
2015-06-17 17:01     ` Sagar Dharia
2015-06-17  1:46 ` [PATCH V2 3/6] slimbus: Add messaging APIs to slimbus framework Sagar Dharia
2015-06-17  1:46 ` [PATCH V2 4/6] slim: qcom: Add Qualcomm Slimbus controller driver Sagar Dharia
2015-06-17 13:53   ` Mark Brown
2015-06-28 19:13     ` Sagar Dharia
2015-06-17  1:46 ` [PATCH V2 5/6] slimbus: Add support for 'clock-pause' feature Sagar Dharia
2015-06-17  1:46 ` [PATCH V2 6/6] slim: qcom: Add runtime-pm support using clock-pause feature Sagar Dharia

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