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Date: Mon, 30 Nov 2015 12:55:05 -0800 From: Brian Norris <computersforpeace@...il.com> To: Arnd Bergmann <arnd@...db.de> Cc: linux-arm-kernel@...ts.infradead.org, David Woodhouse <dwmw2@...radead.org>, linux-mtd@...ts.infradead.org, linux-kernel@...r.kernel.org Subject: Re: [PATCH] mtd: cfi: don't warn about broken geometry for !CONFIG_MTD On Tue, Nov 24, 2015 at 11:09:02PM +0100, Arnd Bergmann wrote: > The linux/mtd/map.h header file is included by a couple of > platform specific files that are built even when CONFIG_MTD > is disabled, and we always get > > warning "No CONFIG_MTD_MAP_BANK_WIDTH_xx selected. No NOR chip support can work" > > in that case. This adds an #ifdef around the pointless warning, > as everything is really fine when we don't build the drivers > anyway. > > Signed-off-by: Arnd Bergmann <arnd@...db.de> > --- > > I'm actually still getting the warnings for any file that includes <linux/mtd/map.h> > > while CONFIG_MTD is disabled. I have a fix now that I'm testing overnight > > and plan to post tomorrow, then we can decide whether it should be part of > > the same patch, or we should have two separate patches. > > The patch fixes the remaining warnings I see on ARM randconfigs in this file, > and I think it makes sense to keep it as a separate patch, as these are really > distinct problems even thought the symptom is the same. > > Please apply both. > > diff --git a/include/linux/mtd/map.h b/include/linux/mtd/map.h > index 366cf77953b5..58f3ba709ade 100644 > --- a/include/linux/mtd/map.h > +++ b/include/linux/mtd/map.h > @@ -142,7 +142,9 @@ > #endif > > #ifndef map_bankwidth > +#ifdef CONFIG_MTD > #warning "No CONFIG_MTD_MAP_BANK_WIDTH_xx selected. No NOR chip support can work" > +#endif > static inline int map_bankwidth(void *map) > { > BUG(); > I guess no one includes mtd/cfi.h with CONFIG_MTD=n? Otherwise, we might have the same problems there. Pushed to l2-mtd.git, thanks! Brian -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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