All of lore.kernel.org
 help / color / mirror / Atom feed
From: Chris Ball <cjb@laptop.org>
To: "werner" <w.landgraf@ru.ru>
Cc: linux-kernel@vger.kernel.org, NeilBrown <neilb@suse.de>
Subject: Re: 3.6-rc1:     twl4030  don't compile   :(
Date: Fri, 03 Aug 2012 01:12:10 -0400	[thread overview]
Message-ID: <87hask8sph.fsf@octavius.laptop.org> (raw)
In-Reply-To: <web-777065796@zbackend1.aha.ru> (werner's message of "Fri, 03 Aug 2012 00:17:01 -0400")

Hi,

On Fri, Aug 03 2012, werner wrote:
>   CC      drivers/power/twl4030_charger.o
> drivers/power/twl4030_charger.c:248:12: error: invalid suffix "b1100"
> on integer constant

drivers/power/twl4030_charger.c:
#define TWL4030_BBSEL_3V0       0b0100
#define TWL4030_BBSEL_3V1       0b1000
#define TWL4030_BBSEL_3V2       0b1100

Werner, your gcc version is too old to support the 0b-prefixed binary
constant syntax.  It was introduced in gcc-4.3.  The kernel compiles
fine here, on gcc-4.7.

Neil Brown added this use of the 0b prefix in 210d4bc8a3128e3e61ac3b
("twl4030_charger: Add backup-battery charging").  Neil, I don't think
we can use this syntax yet -- Documentation/Changes says that we still
support from gcc-3.2 onwards.

Thanks,

- Chris.
-- 
Chris Ball   <cjb@laptop.org>   <http://printf.net/>
One Laptop Per Child

  reply	other threads:[~2012-08-03  5:12 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-08-03  4:17 3.6-rc1: twl4030 don't compile :( werner
2012-08-03  5:12 ` Chris Ball [this message]
2012-08-03  5:55   ` NeilBrown

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=87hask8sph.fsf@octavius.laptop.org \
    --to=cjb@laptop.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=neilb@suse.de \
    --cc=w.landgraf@ru.ru \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body. 
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.