linux-wireless.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: "John W. Linville" <linville@tuxdriver.com>
To: Kalle Valo <kalle.valo@iki.fi>
Cc: Luciano Coelho <luciano.coelho@nokia.com>,
	"linux-wireless@vger.kernel.org" <linux-wireless@vger.kernel.org>
Subject: Re: [PATCH] wl1251: fix sparse-generated warnings
Date: Thu, 22 Jul 2010 09:21:51 -0400	[thread overview]
Message-ID: <20100722132150.GB18742@tuxdriver.com> (raw)
In-Reply-To: <4C47F706.4060102@iki.fi>

On Thu, Jul 22, 2010 at 09:45:10AM +0200, Kalle Valo wrote:
> On 07/22/2010 08:34 AM, Luciano Coelho wrote:

> >> @@ -467,7 +467,7 @@ static int wl1251_boot_upload_nvs(struct wl1251 *wl)
> >>  		val = (nvs_ptr[0] | (nvs_ptr[1] << 8)
> >>  		       | (nvs_ptr[2] << 16) | (nvs_ptr[3] << 24));
> >>  
> >> -		val = cpu_to_le32(val);
> >> +		val = (u32 __force) cpu_to_le32(val);
> > 
> > This will work, but such casts always make me a bit suspicious.  I think
> > this is fine for now
> 
> This line was very suspicious already from beginning, I can't remember
> why it was added and I don't see why it's needed here.

It certainly is a bit strange, and rather ugly as well.  I agree that
the write should probably just take the le32 instead, but I was more
interested in silencing sparse than in rewriting a driver for which
I have not hardware. :-)

I could drop that hunk for the time being?

John
-- 
John W. Linville		Someday the world will need a hero, and you
linville@tuxdriver.com			might be all we have.  Be ready.

  parent reply	other threads:[~2010-07-22 13:30 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-07-21 16:31 [PATCH] wl1251: fix sparse-generated warnings John W. Linville
2010-07-22  6:34 ` Luciano Coelho
2010-07-22  7:38   ` Luciano Coelho
2010-07-22  7:45   ` Kalle Valo
2010-07-22  7:57     ` Luciano Coelho
2010-07-22 12:04     ` Bob Copeland
2010-07-22 13:16       ` John W. Linville
2010-07-22 13:21     ` John W. Linville [this message]
2010-07-23  8:14       ` Kalle Valo
2010-07-22  8:45 ` Kalle Valo
2010-07-22  8:52   ` Luciano Coelho
2010-07-22  9:21     ` Kalle Valo

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=20100722132150.GB18742@tuxdriver.com \
    --to=linville@tuxdriver.com \
    --cc=kalle.valo@iki.fi \
    --cc=linux-wireless@vger.kernel.org \
    --cc=luciano.coelho@nokia.com \
    /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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).