linux-kernel - Re: [PATCH 1/5] staging:iio:hmc5843: Added regmap support

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Date:	Mon, 7 Jul 2014 20:50:15 +0200
From:	Josef Gajdusek <atx@....name>
To:	Jonathan Cameron <jic23@...nel.org>
Cc:	linux-iio@...r.kernel.org, devel@...verdev.osuosl.org,
	gregkh@...uxfoundation.org, linux-kernel@...r.kernel.org,
	pmeerw@...erw.net
Subject: Re: [PATCH 1/5] staging:iio:hmc5843: Added regmap support

On Mon, Jul 07, 2014 at 06:00:29PM +0100, Jonathan Cameron wrote:
> On 02/07/14 14:50, Josef Gajdusek wrote:
> > This patch changes hmc5843.c to use regmap. This provides transparent caching
> > to the code as well as abstraction necessary to add support for SPI-based
> > hmc5983.
> >
> > Signed-off-by: Josef Gajdusek <atx@....name>
> Hi Josef,
> 
> A few little bits and pieces inline.
> Peter, could you also take a look at this series?
> 
> Thanks,
> 
> Jonathan

Hello,

> Whilst minor, we do have a slight change in how this works in the
> event
> of an error.  I don't particularly mind it, but perhaps should have
> been broken out for separate discussion.

It could be changed to use _check version of the regmap function (all
other update_bits calls then probably should be changed as well). Though
that would double the amount of data sent and be of any use only on
defective chip.

> Why move these?  You now have the device going to sleep whilst
> the userspace interface is still available...

strange, I remember this causing issues. Now I am unable to
reproduce them so it was probably something else. Do you want me to
resend or can you apply without these lines swapped?
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/