From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from gate.crashing.org (gate.crashing.org [63.228.1.57]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client did not present a certificate) by ozlabs.org (Postfix) with ESMTPS id 045642C013B for ; Wed, 30 Oct 2013 10:13:28 +1100 (EST) Message-ID: <1383088392.5117.38.camel@pasglop> Subject: Re: [PATCH] ADB_PMU_LED_IDE selects LEDS_TRIGGER_IDE_DISK which has unmet direct dependencies From: Benjamin Herrenschmidt To: Christian Kujau Date: Wed, 30 Oct 2013 10:13:12 +1100 In-Reply-To: References: Content-Type: text/plain; charset="UTF-8" Mime-Version: 1.0 Cc: Geert Uytterhoeven , linuxppc-dev@lists.ozlabs.org List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , On Mon, 2013-10-28 at 04:26 -0700, Christian Kujau wrote: > Hi, > > for quite some time the following is printed (twice) after doing > "make oldconfig": > > [...] > scripts/kconfig/conf --oldconfig Kconfig > warning: (ADB_PMU_LED_IDE) selects LEDS_TRIGGER_IDE_DISK which has unmet direct dependencies (NEW_LEDS && IDE_GD_ATA && LEDS_TRIGGERS) > warning: (ADB_PMU_LED_IDE) selects LEDS_TRIGGER_IDE_DISK which has unmet direct dependencies (NEW_LEDS && IDE_GD_ATA && LEDS_TRIGGERS) > > I never got around to look into this. But I remember that (when I still > had CONFIG_IDE selected, because CONFIG_PATA_MACIO was not working for my > PowerBook G5), I always had ADB_PMU_LED_IDE selected, so this option was > carried over to my current config. > > When doing "make menuconfig" with this generated config I could see that > all 3 necessary options are selected: > > Support for PMU based PowerMacs CONFIG_ADB_PMU > Support for the Power/iBook front LED CONFIG_ADB_PMU_LED > Use front LED as IDE LED by default CONFIG_ADB_PMU_LED_IDE > > And CONFIG_ADB_PMU_LED_IDE selects CONFIG_LEDS_TRIGGER_IDE_DISK, which in > turn depends on CONFIG_IDE_GD_ATA - but in "make menuconfig" I could still > *unselect* CONFIG_IDE (since I'm using CONFIG_PATA_MACIO) and the 3 > options above were still available. I guess "make oldconfig" noticed that > and hence printed the warning above. > > The following patch causes ADB_PMU_LED to depend on IDE_GD_ATA, so that > the options above are only available when IDE_GD_ATA is actually selected > and thus eliminates the warning. > > Signed-off-by: Christian Kujau > > diff --git a/drivers/macintosh/Kconfig b/drivers/macintosh/Kconfig > index 696238b..f30ac9d 100644 > --- a/drivers/macintosh/Kconfig > +++ b/drivers/macintosh/Kconfig > @@ -90,6 +90,7 @@ config ADB_PMU > config ADB_PMU_LED > bool "Support for the Power/iBook front LED" > depends on ADB_PMU > + depends on IDE_GD_ATA > select NEW_LEDS > select LEDS_CLASS > help You probably want to do that to the ADB_PMU_LED_IDE entry not the ADB_PMU_LED one which doesn't have a dependency and isn't the one selecting LEDS_TRIGGER_IDE_DISK :-) Cheers, Ben. > > Being a kbuild n00b, I don't know if this is the correct approach though. > > After looking through the archives I found that this has been reported by > Geert back in 2012 already: https://lkml.org/lkml/2012/3/13/556 > > Thanks, > Christian.