Re: build #337 failed for 2.6.24-rc1-gb1d08ac In function`usbnet_set_settings':

[Adrian Bunk]

On Fri, Nov 02, 2007 at 11:45:15AM -0700, David Brownell wrote:
> On Thursday 01 November 2007, Adrian Bunk wrote:
> > The following combination of options is simply an unusual one:
> > 
> > CONFIG_MII=m
> > CONFIG_USB_USBNET=y
> > CONFIG_USB_USBNET_MII=n
> 
> I though that had been fixed for ages ...
> 
> This should do a better job of it.
> 
> - Dave
> 
> ==========	CUT HERE
> Simplify handling of the MII-dependent usbnet based adapters:  stick
> to forward dependencies, and explicitly handle the core dependency.
> 
> Signed-off-by: David Brownell <dbrownell@xxxxxxxxxxxxxxxxxxxxx>
> ---
>  drivers/net/usb/Kconfig  |   23 ++++++++++++-----------
>  drivers/net/usb/usbnet.c |    9 ++++++++-
>  2 files changed, 20 insertions(+), 12 deletions(-)
> 
> --- a.orig/drivers/net/usb/Kconfig	2007-10-21 10:35:16.000000000 -0700
> +++ a/drivers/net/usb/Kconfig	2007-11-02 11:32:15.000000000 -0700
> @@ -93,13 +93,8 @@ config USB_RTL8150
>  	  To compile this driver as a module, choose M here: the
>  	  module will be called rtl8150.
>  
> -config USB_USBNET_MII
> -	tristate
> -	default n
> -
>  config USB_USBNET
>  	tristate "Multi-purpose USB Networking Framework"
> -	select MII if USB_USBNET_MII != n
>  	---help---
>  	  This driver supports several kinds of network links over USB,
>  	  with "minidrivers" built around a common network driver core
> @@ -131,11 +126,19 @@ config USB_USBNET
>  	  To compile this driver as a module, choose M here: the
>  	  module will be called usbnet.
>  
> +# usbnet core will support MII when MII is static, or both are modules
> +config USB_NET_MII
> +	tristate
> +	depends on USB_USBNET && NET_ETHERNET && (MII = y || MII = USB_USBNET)
> +	default MII
> +
> +comment "MII support is needed for most Ethernet adapters"
> +	depends on USB_USBNET && USB_NET_MII=n
>...

This approach has two disadvantages:
- it's complicated
- the MII stuff is an implementation detail, and we shouldn't bother
  the user with it (especially since we can do better)

If you want to keep the #ifdef's, what's the problem with the second 
patch I proposed to fix this bug?

cu
Adrian

-- 

       "Is there not promise of rain?" Ling Tan asked suddenly out
        of the darkness. There had been need of rain for many days.
       "Only a promise," Lao Er said.
                                       Pearl S. Buck - Dragon Seed

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