linux-kernel - Re: [PATCH] staging: fbtft: Do not use binary constants

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Message-ID: <20150324220741.GA5994@kroah.com>
Date:	Tue, 24 Mar 2015 23:07:41 +0100
From:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:	Geert Uytterhoeven <geert@...ux-m68k.org>
Cc:	driverdevel <devel@...verdev.osuosl.org>,
	Noralf Trønnes <noralf@...nnes.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] staging: fbtft: Do not use binary constants

On Fri, Mar 20, 2015 at 04:19:36PM +0100, Geert Uytterhoeven wrote:
> Hi Greg,
> 
> On Fri, Mar 20, 2015 at 1:54 PM, Greg Kroah-Hartman
> <gregkh@...uxfoundation.org> wrote:
> > On Tue, Mar 10, 2015 at 10:34:43PM +0100, Geert Uytterhoeven wrote:
> >> Gcc < 4.3 doesn't understand binary constants (0b*):
> >>
> >> drivers/staging/fbtft/fbtft-sysfs.c:156:19: error: invalid suffix "b111" on integer constant
> >> drivers/staging/fbtft/fb_hx8340bn.c:159:3: error: invalid suffix "b1111" on integer constant
> >> drivers/staging/fbtft/fb_hx8340bn.c:159:11: error: invalid suffix "b1111" on integer constant
> >> drivers/staging/fbtft/fb_hx8340bn.c:159:19: error: invalid suffix "b11111" on integer constant
> >> drivers/staging/fbtft/fb_hx8340bn.c:159:28: error: invalid suffix "b1111" on integer constant
> >> drivers/staging/fbtft/fb_hx8340bn.c:159:36: error: invalid suffix "b1111" on integer constant
> >> drivers/staging/fbtft/fb_hx8340bn.c:159:44: error: invalid suffix "b1111" on integer constant
> >> drivers/staging/fbtft/fb_hx8340bn.c:159:52: error: invalid suffix "b11111" on integer constant
> >> drivers/staging/fbtft/fb_hx8340bn.c:160:3: error: invalid suffix "b111" on integer constant
> >> ...
> >>
> >> Hence use hexadecimal constants (0x*) instead.
> >>
> >> Signed-off-by: Geert Uytterhoeven <geert@...ux-m68k.org>
> >> ---
> >> This is against v4.0-rc3. In next-20150310 there are two whitespace
> >> differences.
> >
> > Can you make it against -next?  I can't get this to apply as-is, sorry.
> 
> Sure, will do. I was wondering if you wanted to sent this fix to Linus for v4.0,
> as the build is broken for gcc < 4.3, and keep the changes in -next for v4.1.

Nah, it's just staging code, it's ok to be broken on old compilers :)

thanks,

greg k-h
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