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SubjectRe: [PATCHv2 2/3] usb: ehci-platform: Use devm_of_phy_get_by_index

On 15-04-14 07:21 AM, Kishon Vijay Abraham I wrote:
> Hi,
> On Tuesday 14 April 2015 06:57 PM, Greg Kroah-Hartman wrote:
>> On Tue, Apr 14, 2015 at 03:17:30PM +0200, Arnd Bergmann wrote:
>>> On Tuesday 14 April 2015 14:37:37 Greg Kroah-Hartman wrote:
>>>> On Tue, Apr 14, 2015 at 01:33:08PM +0200, Arnd Bergmann wrote:
>>>>> This is true, but all other drivers do the same for GENERIC_PHY at the
>>>>> moment. If this one gets changed, we should probably apply the same
>>>>> solution to all current users and fix them consistently.
>>>>> We can do one of these two:
>>>>> a) make sure that the framework has 'static inline' stubs that let you
>>>>> build all drivers using it when the framework itself is disabled.
>>>> Yes, please do that.
>>>>> b) change the drivers using it to 'depends on', and make GENERIC_PHY
>>>>> itself a hidden option without a Kconfig prompt.
>>>> Then how could GENERIC_PHY ever get set?
>>> Right now, every driver that provides a phy uses 'select GENERIC_PHY',
>>> and they would have to keep doing that. This is not unlike what we
>>> do for other silent symbols like MFD_CORE, REGMAP_I2C, or PINCTRL,
>>> and it's not as problematic as 'select' on a user-visible option,
>>> or (worst) mixing 'select' and 'depends on'.
>> Ok, that would make more sense, but it would be good for the PHY
>> maintainer to agree to it as well :)
> looking at [1], we should use select only for non-visible symbols and
> for symbols with no dependencies. As such GENERIC_PHY is not dependent
> on other symbols but for now it is "visible".
> phy-core has all the stubs already implemented in
> include/linux/phy/phy.h. So removing select GENERIC_PHY shouldn't be a
> problem. But then it might break a few platforms where GENERIC_PHY is
> indirectly enabled by selecting the config of the driver (using default
> defconfigs in arch/arm/configs).
> The simplest thing would be to make GENERIC_PHY an invisible option?
> [1] ->
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
> Thanks
> Kishon

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