linux-kernel - Re: [PATCH 1/8] sta2x11-mfd : add apb-soc regs driver and factor out common code

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

Date:	Thu, 27 Sep 2012 14:49:19 +0100
From:	Mark Brown <broonie@...nsource.wolfsonmicro.com>
To:	Davide Ciminaghi <ciminaghi@...dd.com>
Cc:	sameo@...ux.intel.com, rubini@...dd.com, giancarlo.asnaghi@...com,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/8] sta2x11-mfd : add apb-soc regs driver and factor out
 common code

On Thu, Sep 27, 2012 at 03:41:10PM +0200, Davide Ciminaghi wrote:

> Maybe there's another solution: what about adding a couple of function
> pointers (lock, unlock) to struct regmap_config ? If they're set to NULL,
> everything works as usual. If they're not NULL, regmap uses such functions
> to do locking and unlocking instead of the usual ones (and regmap_bus.fast_io
> is ignored). I think this wouldn't hurt existing regmap users and allow
> sta2x11-mfd to have just one spinlock for everything, no need for nested
> locking this way.

That might work, yes, and would be generally useful I think.  Or we
could add regmap based versions of the clock utilities (which would also
be useful anyway).  Or both.
--
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/