linux-kernel - Re: [PATCH] spi/pxa2xx-pci: Enable DMA binding through device name

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Message-ID: <20140725224514.10f13885@alan.etchedpixels.co.uk>
Date:	Fri, 25 Jul 2014 22:45:14 +0100
From:	One Thousand Gnomes <gnomes@...rguk.ukuu.org.uk>
To:	Arnd Bergmann <arnd@...db.de>
Cc:	Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
	Mika Westerberg <mika.westerberg@...ux.intel.com>,
	linux-arm-kernel@...ts.infradead.org,
	Kweh Hock Leong <hock.leong.kweh@...el.com>,
	Eric Miao <eric.y.miao@...il.com>,
	Russell King <linux@....linux.org.uk>,
	Haojian Zhuang <haojian.zhuang@...il.com>,
	Mark Brown <broonie@...nel.org>,
	Chew Chiau Ee <chiau.ee.chew@...el.com>,
	Darren Hart <dvhart@...ux.intel.com>, chiauee85@...il.com,
	linux-kernel@...r.kernel.org, linux-spi@...r.kernel.org
Subject: Re: [PATCH] spi/pxa2xx-pci: Enable DMA binding through device name

> The current plan I think is to convert all platforms to use DT
> or ACPI so they get the right data from tables passed by the
> platform. I'm a bit puzzled about why Intel wants to support the
> non-ACPI non-DT case again. If we have to support this case anyway,
> what good will ACPI do us on those platforms?

Because some industries move very very slowly so still don't believe in
requiring ACPI or ACPI capable operating systems.

Alan
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