From: Mark Brown <broonie@kernel.org>
To: Xiubo Li <lixiubo@cmss.chinamobile.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: [PATCH] regmap: speed up the regcache_init()
Date: Wed, 9 Dec 2015 15:05:52 +0000 [thread overview]
Message-ID: <20151209150552.GC5727@sirena.org.uk> (raw)
In-Reply-To: <56679D42.3030708@cmss.chinamobile.com>
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On Wed, Dec 09, 2015 at 11:17:22AM +0800, Xiubo Li wrote:
> Yes, usually when the register cache is not used, the number of the
> defaults should be zero, but for some drivers like drv2267.c/led_lp8860.c
> will add the defaults register values though the cache type is
> REGCACHE_NONE for some reasons.
I can't find either of those in the kernel tree...
> This patch may be not the best, but will be a bit meaningful for some
> drivers like drv2267.c/led_lp8860.c for now.
TBH if we're going to do something here it might be as well to print a
warning if something is providing register defaults but no cache.
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next prev parent reply other threads:[~2015-12-09 15:06 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-12-03 2:19 Xiubo Li
2015-12-08 17:05 ` Mark Brown
2015-12-09 3:17 ` Xiubo Li
2015-12-09 15:05 ` Mark Brown [this message]
2015-12-10 1:37 ` Xiubo Li
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