linux-kernel - Re: [PATCH 2/2] mfd: si476x: Do not use binary constants

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Date:	Mon, 13 May 2013 07:41:05 -0700
From:	Joe Perches <joe@...ches.com>
To:	Andrey Smirnov <andrew.smirnov@...il.com>
Cc:	Geert Uytterhoeven <geert@...ux-m68k.org>,
	linux-kernel@...r.kernel.org, Samuel Ortiz <sameo@...ux.intel.com>
Subject: Re: [PATCH 2/2] mfd: si476x: Do not use binary constants

On Mon, 2013-05-13 at 07:29 -0700, Andrey Smirnov wrote:
> On Wed, May 8, 2013 at 1:23 PM, Geert Uytterhoeven <geert@...ux-m68k.org> wrote:
> > Gcc < 4.3 doesn't understand binary constanrs (0b*):
[]
> > Hence use hexadecimal constants (0x*) instead.
[]
> I really begin to regret my decision to use those constants in place
> instead of defining a corresponding symbol in a header file. Because
> now that those binary constants are replaced the code looks a little
> bit more cryptic. Currently I am doing some additional work on the
> driver(adding the support of a different chip) and I'll try to make
> patches to address the issue.
[]
> > diff --git a/drivers/mfd/si476x-cmd.c b/drivers/mfd/si476x-cmd.c
[]
> > @@ -772,16 +772,16 @@ int si476x_core_cmd_am_rsq_status(struct si476x_core *core,
[]
> > +       report->snrhint         = 0x08 & resp[1];
> > +       report->snrlint         = 0x04 & resp[1];
> > +       report->rssihint        = 0x02 & resp[1];
> > +       report->rssilint        = 0x01 & resp[1];

You might also want to change all the
u8 report variables to bool.


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