linux-kernel - Re: [PATCH v2 3/3] drivers: cleanup Kconfig stuff

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Date:	Wed, 20 Oct 2010 18:15:27 +0300
From:	Felipe Balbi <balbi@...com>
To:	Felipe Contreras <felipe.contreras@...il.com>
Cc:	"Balbi, Felipe" <balbi@...com>,
	Roger Quadros <roger.quadros@...ia.com>,
	"linux-usb@...r.kernel.org" <linux-usb@...r.kernel.org>,
	linux-omap <linux-omap@...r.kernel.org>,
	linux-main <linux-kernel@...r.kernel.org>,
	Greg KH <greg@...ah.com>, Tony Lindgren <tony@...mide.com>
Subject: Re: [PATCH v2 3/3] drivers: cleanup Kconfig stuff

hi,

On Wed, Oct 20, 2010 at 09:52:06AM -0500, Felipe Contreras wrote:
>TWL4030_USB is inside drivers/usb/Kconfig and drivers/usb/otg/Kconfig,
>which means in order to achieve the same on the board config you would
>have to do:
>
>default y if USB_SUPPORT && (USB || USB_GADGET) && ARCH_OMAP3
>
>Seems to be more convoluted to me.
>
>Besides, I think TWL4030_USB and the full description of it doesn't
>give any hints to the people reading drivers/usb/otg/Kconfig what is
>it used for. 'default y if ARCH_OMAP3' achieves that.

no it doesn't. No user will 'cat drivers/usb/otg/Kconfig | grep -A 10
TWL4030' and check the 'default y if ARCH_OMAP3

if you think help is not enough, fix help.

>Plus, there is no big change:
>
>config USB_MUSB_HDRC
>-	select TWL4030_USB if MACH_OMAP_3430SDP
>
>config TWL4030_USB
>+	default y if ARCH_OMAP3
>

what's the problem with:

diff --git a/arch/arm/mach-omap2/Kconfig b/arch/arm/mach-omap2/Kconfig
index ab784bf..3af9580 100644
--- a/arch/arm/mach-omap2/Kconfig
+++ b/arch/arm/mach-omap2/Kconfig
@@ -215,6 +215,7 @@ config MACH_NOKIA_RX51
         depends on ARCH_OMAP3
         default y
         select OMAP_PACKAGE_CBB
+       select TWL4030_USB
  
  config MACH_OMAP_ZOOM2
         bool "OMAP3 Zoom2 board"

-- 
balbi
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