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From: Dan Carpenter <dan.carpenter@oracle.com>
To: Martyn Welch <martyn.welch@ge.com>
Cc: nick <nickkrause@sympatico.ca>,
	manohar.vanga@gmail.com, gregkh@linuxfoundation.org,
	devel@driverdev.osuosl.org, linux-kernel@vger.kernel.org
Subject: Re: PATCH[[vme/bridges/vme_ca91cx42.c:1382: Bad if test Bug Fix]‏‏
Date: Mon, 16 Jun 2014 12:56:31 +0300	[thread overview]
Message-ID: <20140616095631.GN5015@mwanda> (raw)
In-Reply-To: <539EBD2D.9030504@ge.com>

On Mon, Jun 16, 2014 at 10:47:25AM +0100, Martyn Welch wrote:
> Nick,
> 
> Sorry for the delay in responding.
> 
> I'm staring at the manual for the ca91c142 and the relevant bits in
> the VSIx_CTL registers definitely need to be set to 0 for A16,
> likewise with the LM_CTL register. The pattern (3<<16) would enable
> one of the "reserved" address spaces.
> 

Nick emailed me privately that this was a static checker warning.  These
warnings are often false positives...  But I'm worried about the test:

	if ((ctl & CA91CX42_VSI_CTL_VAS_M) == CA91CX42_VSI_CTL_VAS_A16)
		*aspace = VME_A16;

That could be true when we didn't intend it.

regards,
dan carpenter


  reply	other threads:[~2014-06-16  9:56 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-06-12 14:33 PATCH[[vme/bridges/vme_ca91cx42.c:1382: Bad if test Bug Fix]‏‏ nick
2014-06-12 15:10 ` Dan Carpenter
2014-06-12 20:52   ` Dan Carpenter
2014-06-16  9:47 ` Martyn Welch
2014-06-16  9:56   ` Dan Carpenter [this message]
2014-06-16 10:08     ` Martyn Welch
     [not found] <SNT145-W1D429653B80A40C499048A52A0@phx.gbl>
2014-06-12  5:19 ` PATCH[[vme/bridges/vme_ca91cx42.c:1382: Bad if test Bug Fix]‏ gregkh
  -- strict thread matches above, loose matches on Subject: below --
2014-06-12  3:44 PATCH[vme/bridges/vme_ca91cx42.c:1382: Bad if test Bug Fix] Nick Krause
2014-06-12  3:53 ` gregkh

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