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From: Mark Brown <broonie-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
To: Chew Chiau Ee <chiau.ee.chew-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
Cc: Eric Miao <eric.y.miao-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>,
	Russell King <linux-lFZ/pmaqli7XmaaqVzeoHQ@public.gmane.org>,
	Haojian Zhuang
	<haojian.zhuang-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>,
	Mika Westerberg
	<mika.westerberg-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>,
	linux-spi-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Subject: Re: [PATCH 2/2] spi/pxa2xx-pci: Pass host clock rate info from PCI glue layer
Date: Fri, 18 Apr 2014 17:30:54 +0100	[thread overview]
Message-ID: <20140418163054.GH12304@sirena.org.uk> (raw)
In-Reply-To: <1397751967-20250-3-git-send-email-chiau.ee.chew-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>

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On Fri, Apr 18, 2014 at 12:26:07AM +0800, Chew Chiau Ee wrote:
> From: Chew, Chiau Ee <chiau.ee.chew-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
> 
> Intel BayTrail PCI mode LPSS devices inclusive of SPI do not rely
> on common clock framework. Thus, this patch allows the PCI mode
> SPI host to pass the supported clock rate info to the core layer
> which eventually used for speed calculation.

As you mention we already have a clock API for passing around
information about clocks, it would be much better to fix the fact that
this isn't enabled on x86 than to add custom code to deal with clocks
(even simple things like this) - this is far from the only place where
it causes issues.

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  parent reply	other threads:[~2014-04-18 16:30 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-04-17 16:26 [PATCH 0/2] Add PCI mode support for BayTrail LPSS SPI Chew Chiau Ee
2014-04-17 16:26 ` [PATCH 1/2] spi/pxa2xx-pci: " Chew Chiau Ee
2014-04-18 17:06   ` Mark Brown
2014-04-17 16:26 ` [PATCH 2/2] spi/pxa2xx-pci: Pass host clock rate info from PCI glue layer Chew Chiau Ee
     [not found]   ` <1397751967-20250-3-git-send-email-chiau.ee.chew-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
2014-04-18 16:30     ` Mark Brown [this message]
     [not found]       ` <20140418163054.GH12304-GFdadSzt00ze9xe1eoZjHA@public.gmane.org>
2014-04-22 11:57         ` Mika Westerberg
2014-04-22 12:09           ` Mark Brown
     [not found]             ` <20140422120948.GT12304-GFdadSzt00ze9xe1eoZjHA@public.gmane.org>
2014-04-22 12:37               ` Mika Westerberg
2014-04-22 14:27               ` One Thousand Gnomes
     [not found]                 ` <20140422152723.7542a3bc-mUKnrFFms3BCCTY1wZZT65JpZx93mCW/@public.gmane.org>
2014-04-22 18:21                   ` Mark Brown

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