Re: [PATCH v7 0/9] Generic PHY Framework

From: Sylwester Nawrocki
Date: Mon Jun 17 2013 - 06:16:46 EST


On 06/13/2013 10:43 AM, Kishon Vijay Abraham I wrote:
> Added a generic PHY framework that provides a set of APIs for the PHY drivers
> to create/destroy a PHY and APIs for the PHY users to obtain a reference to
> the PHY with or without using phandle.
> This framework will be of use only to devices that uses external PHY (PHY
> functionality is not embedded within the controller).
> The intention of creating this framework is to bring the phy drivers spread
> all over the Linux kernel to drivers/phy to increase code re-use and to
> increase code maintainability.
> Comments to make PHY as bus wasn't done because PHY devices can be part of
> other bus and making a same device attached to multiple bus leads to bad
> design.
> If the PHY driver has to send notification on connect/disconnect, the PHY
> driver should make use of the extcon framework. Using this susbsystem
> to use extcon framwork will have to be analysed.
> Making omap-usb2 and twl4030 to use this framework is provided as a sample.
> This patch series is developed on linux mainline tree.
> Changes from v6
> * corrected few typos in Documentation
> * Changed PHY Subsystem to *bool* in Kconfig (to avoid compilation errors when
> PHY Subsystem is kept as module and the dependent modules are built-in)
> * Added if pm_runtime_enabled check before runtime pm calls.

Looks good, feel free to add:

Reviewed-by: Sylwester Nawrocki <s.nawrocki@xxxxxxxxxxx> for patches
1...3/9, 5...7/9

and Tested-by: Sylwester Nawrocki <s.nawrocki@xxxxxxxxxxx> for patch 1/9

Hopefully we can gather more Acks and merge it for 3.11.

I have already used this API for our MIPI CSI-2/DSIM DPHYs driver,
the RFC patch series can be found at [1].


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