linux-kernel - Re: [PATCH 2/3] usb: gadget: at91

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Date:	Wed, 30 Sep 2015 21:54:16 +0530
From:	Sudip Mukherjee <sudipm.mukherjee@...il.com>
To:	Felipe Balbi <balbi@...com>,
	Nicolas Ferre <nicolas.ferre@...el.com>
Cc:	Haavard Skinnemoen <hskinnemoen@...il.com>,
	Hans-Christian Egtvedt <egtvedt@...fundet.no>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	linux-kernel@...r.kernel.org, linux-usb@...r.kernel.org,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: [PATCH 2/3] usb: gadget: at91_udc: mention proper dependency

On Wed, Sep 30, 2015 at 11:04:54AM -0500, Felipe Balbi wrote:
> On Wed, Sep 23, 2015 at 09:22:48PM +0530, Sudip Mukherjee wrote:
> > On Mon, Sep 21, 2015 at 04:40:57PM +0530, Sudip Mukherjee wrote:
> > > On Sun, Sep 20, 2015 at 11:15:28AM -0500, Felipe Balbi wrote:
> > > > On Sat, Sep 19, 2015 at 10:42:58PM +0530, Sudip Mukherjee wrote:
> > > > > While building allmodconfig on avr32 the build failed with the error:
> > > > > "at91_pmc_base" [drivers/usb/gadget/udc/atmel_usba_udc.ko] undefined!
> > > > > 
> > > > > On checking the code it turned out that if CONFIG_OF is defined then it
> > > > > is using at91_pmc_read() which is using at91_pmc_base. And unless
> > > > > COMMON_CLK_AT91 is defined we donot have at91_pmc_base. And
> > > > > COMMON_CLK_AT91 is available with AT91 architecture.
> > > > > Mention the dependency such that this driver builds with avr32 only if
> > > > > OF is not enabled.
> > > > > 
> > > > > Signed-off-by: Sudip Mukherjee <sudip@...torindia.org>
> > > > > ---
> > > > > 
> > > > > Tested build with at91_dt_defconfig and allmodconfig of avr32. Build log
> > > > > at:
> > > > > https://travis-ci.org/sudipm-mukherjee/parport/builds/81168845
> > > > > 
> > > > >  drivers/usb/gadget/udc/Kconfig | 2 +-
> > > > >  1 file changed, 1 insertion(+), 1 deletion(-)
> > > > > 
> > > > > diff --git a/drivers/usb/gadget/udc/Kconfig b/drivers/usb/gadget/udc/Kconfig
> > > > > index 9a3a6b0..cdbff54 100644
> > > > > --- a/drivers/usb/gadget/udc/Kconfig
> > > > > +++ b/drivers/usb/gadget/udc/Kconfig
> > > > > @@ -55,7 +55,7 @@ config USB_LPC32XX
> > > > >  
> > > > >  config USB_ATMEL_USBA
> > > > >  	tristate "Atmel USBA"
> > > > > -	depends on AVR32 || ARCH_AT91
> > > > > +	depends on ((AVR32 && !OF) || ARCH_AT91)
> > > > 
> > > > any chance you can add || COMPILE_TEST here ? I'd like to make
> > > > sure this builds on my end too.
> > > With "depends on ((AVR32 && !OF) || ARCH_AT91 || COMPILE_TEST)"
> > > normal allmodconfig builiding for x86_64 failed with:
> > > 
> > > drivers/usb/gadget/udc/atmel_usba_udc.c: In function ‘usba_start’:
> > > drivers/usb/gadget/udc/atmel_usba_udc.c:1783:25: error: ‘USBA_ENABLE_MASK’ undeclared (first use in this function)
> > >   usba_writel(udc, CTRL, USBA_ENABLE_MASK);
> > >                          ^
> > > drivers/usb/gadget/udc/atmel_usba_udc.c: In function ‘usba_stop’:
> > > drivers/usb/gadget/udc/atmel_usba_udc.c:1800:25: error: ‘USBA_DISABLE_MASK’ undeclared (first use in this function)
> > >   usba_writel(udc, CTRL, USBA_DISABLE_MASK);
> > >                          ^
> > > 
> > > Looks like USBA_DISABLE_MASK and USBA_ENABLE_MASK is defined under
> > > #if defined(CONFIG_AVR32). :(
> > Can i check anything else here? Like I said with COMPILE_TEST
> > allmodconfig on x86_64 is failing.
> 
> then keep it as is, but it would be nice to get that sorted out
> so I can do compile tests on my end too.

Maybe Nicolas can give some idea. Adding Nicolas Ferre to CC.

regards
sudip
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