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Date: Sun, 13 Feb 2011 08:01:14 -0800 From: Randy Dunlap <randy.dunlap@...cle.com> To: Kurt Van Dijck <kurt.van.dijck@....be> CC: akpm@...ux-foundation.org, netdev <netdev@...r.kernel.org>, linux-kernel@...r.kernel.org, davem@...emloft.net Subject: Re: [PATCH -next/mmotm] net/can: fix softing build errors On 02/13/11 05:37, Kurt Van Dijck wrote: > On Sat, Feb 12, 2011 at 08:02:42AM -0800, Randy Dunlap wrote: >> On 02/12/11 03:15, Kurt Van Dijck wrote: >>> On Fri, Feb 11, 2011 at 10:33:12PM -0800, Randy Dunlap wrote: >>>> >>>> warning: (CAN_SOFTING_CS) selects CAN_SOFTING which has unmet direct dependencies (NET && CAN && CAN_DEV && HAS_IOMEM) >>>> >>>> with this partial config: >>>> >>>> CONFIG_CAN=m >>>> # CONFIG_CAN_RAW is not set >>>> # CONFIG_CAN_BCM is not set >>>> # CAN Device Drivers >>>> # CONFIG_CAN_VCAN is not set >>>> CONFIG_CAN_SLCAN=m >>>> # CONFIG_CAN_DEV is not set >>>> CONFIG_CAN_SOFTING=m >>>> CONFIG_CAN_SOFTING_CS=m >>>> # CONFIG_CAN_DEBUG_DEVICES is not set >>> I understand the output, but I don't understand the cause well enough. >>> CAN_SOFTING=m has a 'depends on CAN_DEV' >>> Is it then possible to have CAN_SOFTING=m _and not_ CAN_DEV ? >> >> Yes. From Documentation/kbuild/kconfig-language.txt: >> > I see. > The 'select CAN_SOFTING' was introduced because it makes no sense to > have CAN_SOFTING_CS alone 'for a normal user', although there is no > real dependency. > Is a 'select' then still a good option, since it feels like repeating > all dependencies from CAN_SOFTING in CAN_SOFTING_CS? > What about this? > > diff --git a/drivers/net/can/softing/Kconfig b/drivers/net/can/softing/Kconfig > index 92bd6bd..55dd3e4 100644 > --- a/drivers/net/can/softing/Kconfig > +++ b/drivers/net/can/softing/Kconfig > @@ -18,7 +18,7 @@ config CAN_SOFTING > config CAN_SOFTING_CS > tristate "Softing Gmbh CAN pcmcia cards" > depends on PCMCIA > - select CAN_SOFTING > + depends on CAN_SOFTING > ---help--- > Support for PCMCIA cards from Softing Gmbh & some cards > from Vector Gmbh. > --- > It will present the Softing stuff in Kconfig as if CAN_SOFTING_CS really > depends on CAN_SOFTING, which is acceptible from a users perspective. That's fine. Acked-by: Randy Dunlap <randy.dunlap@...cle.com> thanks. -- ~Randy *** Remember to use Documentation/SubmitChecklist when testing your code *** -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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