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Message-ID: <1426024241.18060.53.camel@perches.com>
Subject: Re: [PATCH] staging: fbtft: Do not use binary constants
From: Joe Perches <joe@perches.com>
To: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>,
        Noralf =?ISO-8859-1?Q?Tr=F8nnes?= <noralf@tronnes.org>,
        Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        devel@driverdev.osuosl.org, linux-kernel@vger.kernel.org
Date: Tue, 10 Mar 2015 14:50:41 -0700
In-Reply-To: <1426023283-27561-1-git-send-email-geert@linux-m68k.org>
References: <1426023283-27561-1-git-send-email-geert@linux-m68k.org>
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On Tue, 2015-03-10 at 22:34 +0100, Geert Uytterhoeven wrote:
> Gcc < 4.3 doesn't understand binary constants (0b*):

trivia:

> diff --git a/drivers/staging/fbtft/fb_hx8340bn.c b/drivers/staging/fbtft/fb_hx8340bn.c
[]
> @@ -156,10 +156,10 @@ static int set_var(struct fbtft_par *par)
>  static int set_gamma(struct fbtft_par *par, unsigned long *curves)
>  {
>  	unsigned long mask[] = {

static const

> -		0b1111, 0b1111, 0b11111, 0b1111, 0b1111, 0b1111, 0b11111,
> -		0b111, 0b111, 0b111, 0b111, 0b111, 0b111, 0b11, 0b11,
> -		0b1111, 0b1111, 0b11111, 0b1111, 0b1111, 0b1111, 0b11111,
> -		0b111, 0b111, 0b111, 0b111, 0b111, 0b111, 0b0, 0b0 };
> +		0x0f, 0x0f, 0x1f, 0x0f, 0x0f, 0x0f, 0x1f, 0x07, 0x07, 0x07,
> +		0x07, 0x07, 0x07, 0x03, 0x03, 0x0f, 0x0f, 0x1f, 0x0f, 0x0f,
> +		0x0f, 0x1f, 0x07, 0x07, 0x07, 0x07, 0x07, 0x07, 0x00, 0x00,
> +	};

[]

> diff --git a/drivers/staging/fbtft/fb_hx8347d.c b/drivers/staging/fbtft/fb_hx8347d.c
[]
> @@ -115,10 +115,9 @@ static void set_addr_win(struct fbtft_par *par, int xs, int ys, int xe, int ye)
>  static int set_gamma(struct fbtft_par *par, unsigned long *curves)
>  {
>  	unsigned long mask[] = {

etc...