linux-kernel - Re: [PATCHv2 2/3] usb: ehci-platform: Use devm_of_phy_get_by

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Date:	Tue, 21 Apr 2015 11:02:57 +0530
From:	Kishon Vijay Abraham I <kishon@...com>
To:	Arnd Bergmann <arnd@...db.de>,
	Arun Ramamurthy <arun.ramamurthy@...adcom.com>
CC:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	<linux-arm-kernel@...ts.infradead.org>,
	Srinivas Kandagatla <srinivas.kandagatla@...aro.org>,
	Laurent Pinchart <laurent.pinchart@...asonboard.com>,
	<bcm-kernel-feedback-list@...adcom.com>,
	Thomas Pugliese <thomas.pugliese@...il.com>,
	Peter Griffin <peter.griffin@...aro.org>,
	Jonathan Richardson <jonathar@...adcom.com>,
	Anatol Pomazau <anatol@...gle.com>,
	Ray Jui <rjui@...adcom.com>,
	Alan Stern <stern@...land.harvard.edu>,
	Dmitry Torokhov <dtor@...gle.com>,
	David Mosberger <davidm@...uge.net>,
	Gregory CLEMENT <gregory.clement@...e-electrons.com>,
	Kevin Hao <haokexin@...il.com>,
	Paul Bolle <pebolle@...cali.nl>,
	Mathias Nyman <mathias.nyman@...ux.intel.com>,
	Scott Branden <sbranden@...adcom.com>,
	<linux-usb@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
	Felipe Balbi <balbi@...com>, Tony Prisk <linux@...sktech.co.nz>
Subject: Re: [PATCHv2 2/3] usb: ehci-platform: Use devm_of_phy_get_by_index

Arnd,

On Wednesday 15 April 2015 03:17 AM, Arnd Bergmann wrote:
> On Tuesday 14 April 2015 11:05:35 Arun Ramamurthy wrote:
>>>
>>> [1] ->
>>> https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/tree/Documentation/kbuild/kconfig-language.txt#n111
>>>
>> Kishon,removing select GENERIC_PHY also breaks the builds for certain
>> architectures (i386 and x84_64). Is the consensus to leave the select
>> but make GENERIC_PHY a invisible option? Thanks
>
> I think the best solution is
>
> - make GENERIC_PHY a silent option
> - change PHY_RCAR_GEN2 to use 'select' instead of 'depends on', so
>    it will still work when all other phy drivers are disabled
> - change the non-phy drivers that select GENERIC_PHY to either
>    use 'depends on' or no explicit dependency in case they are
>    still functional without the API. Note that
>    drivers/pinctrl/pinctrl-tegra-xusb.c is a phy provider as well,
>    not a consumer, despite being outside of drivers/phy.

makes sense to me.

Thanks
Kishon
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