linux-kernel - Re: [PATCH v6 01/19] usb: phy: msm: Make driver selectable on ARCH

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Message-ID: <20140423150259.GE9593@saruman.home>
Date:	Wed, 23 Apr 2014 10:02:59 -0500
From:	Felipe Balbi <balbi@...com>
To:	"Ivan T. Ivanov" <iivanov@...sol.com>
CC:	<balbi@...com>, Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	<linux-usb@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
	<linux-arm-msm@...r.kernel.org>
Subject: Re: [PATCH v6 01/19] usb: phy: msm: Make driver selectable on
 ARCH_QCOM

On Wed, Apr 23, 2014 at 11:48:29AM +0300, Ivan T. Ivanov wrote:
> On Tue, 2014-04-22 at 10:24 -0500, Felipe Balbi wrote:
> > On Tue, Apr 22, 2014 at 06:16:35PM +0300, Ivan T. Ivanov wrote:
> > > 
> > > Hi, 
> > > 
> > > On Tue, 2014-04-22 at 09:57 -0500, Felipe Balbi wrote:
> > > > On Tue, Apr 22, 2014 at 12:20:20PM +0300, Ivan T. Ivanov wrote:
> > > > > From: "Ivan T. Ivanov" <iivanov@...sol.com>
> > > > > 
> > > > > Controller could be found on APQ and MSM platforms,
> > > > > make configuration description more generic.
> > > > > 
> > > > > Signed-off-by: Ivan T. Ivanov <iivanov@...sol.com>
> > > > > ---
> > > > >  drivers/usb/phy/Kconfig | 6 +++---
> > > > >  1 file changed, 3 insertions(+), 3 deletions(-)
> > > > > 
> > > > > diff --git a/drivers/usb/phy/Kconfig b/drivers/usb/phy/Kconfig
> > > > > index 416e0c8..0c668a3 100644
> > > > > --- a/drivers/usb/phy/Kconfig
> > > > > +++ b/drivers/usb/phy/Kconfig
> > > > > @@ -171,11 +171,11 @@ config USB_ISP1301
> > > > >  	  module will be called phy-isp1301.
> > > > > 
> > > > >  config USB_MSM_OTG
> > > > > -	tristate "OTG support for Qualcomm on-chip USB controller"
> > > > > -	depends on (USB || USB_GADGET) && ARCH_MSM
> > > > > +	tristate "Qualcomm on-chip USB OTG controller support"
> > > > > +	depends on (USB || USB_GADGET) && (ARCH_MSM || ARCH_QCOM)
> > > > 
> > > > I would actually drop USB || USB_GADGET dependency here just make it
> > > > easier to enable the driver on Kconfig, other you have to enable
> > > > USB_SUPPORT, then enable USB, go back one menu level, go down to PHY
> > > > menu, and choose this driver.
> > > > 
> > > 
> > > Because phy directory already depends on USB_SUPPORT?
> > 
> > right
> 
> Build fails if USB and USB_GADGET are not selected. 
> of_usb_get_dr_mode is part of USB_COMMON. 
> 
> ...
> 
> if USB_SUPPORT
> 
> config USB_COMMON
> 	tristate
> 	default y
> 	depends on USB || USB_GADGET
> 
> ...
> 
> of_usb_get_dr_mode() is no part of this patch, but should I remove
> dependency here and add it several patches later?

I guess we can keep it as is and I'll sort that out globaly later, I can
see a few other PHYs have some "weirdness" in their dependencies

-- 
balbi

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