From: Mark Brown <broonie@opensource.wolfsonmicro.com>
To: "Rafael J. Wysocki" <rjw@sisk.pl>
Cc: Mika Westerberg <mika.westerberg@linux.intel.com>,
linux-kernel@vger.kernel.org, grant.likely@secretlab.ca,
linus.walleij@linaro.org, eric.y.miao@gmail.com,
linux@arm.linux.org.uk, haojian.zhuang@gmail.com,
chao.bi@intel.com, "H. Peter Anvin" <hpa@linux.intel.com>
Subject: Re: [PATCH 05/11] spi/pxa2xx: make clock rate configurable from platform data
Date: Fri, 11 Jan 2013 10:59:38 +0000 [thread overview]
Message-ID: <20130111105938.GU20956@opensource.wolfsonmicro.com> (raw)
In-Reply-To: <2426125.yN3kXlp07z@vostro.rjw.lan>
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On Thu, Jan 10, 2013 at 10:56:36PM +0100, Rafael J. Wysocki wrote:
> On Thursday, January 10, 2013 03:58:52 PM Mika Westerberg wrote:
> > Well, they can use the same LPSS block with a different CPU but then we
> > expect the ACPI IDs to change as well (so we can then make another set of
> > clocks for those).
> Also, as I said in another message, even if the LPSS block is used, the SPI
> may not be exposed to us by the BIOS, so SoC enumeration is not sufficient
> in general.
The clock is going to be there in the SoC - given that you're just
exposing a fixed rate clock it's not going to do anything except use a
little memory if its' there.
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next prev parent reply other threads:[~2013-01-11 10:59 UTC|newest]
Thread overview: 43+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-01-07 10:44 [PATCH 00/11] spi/pxa2xx: add Intel Lynxpoint SPI controller support Mika Westerberg
2013-01-07 10:44 ` [PATCH 01/11] spi/pxa2xx: allow building on a 64-bit kernel Mika Westerberg
2013-01-08 3:27 ` Eric Miao
2013-01-08 10:29 ` Mika Westerberg
2013-01-07 10:44 ` [PATCH 02/11] spi/pxa2xx: convert to the pump message infrastructure Mika Westerberg
2013-01-17 9:26 ` Linus Walleij
2013-01-07 10:44 ` [PATCH 03/11] spi/pxa2xx-pci: switch to use pcim_* interfaces Mika Westerberg
2013-01-08 10:59 ` Mark Brown
2013-01-07 10:44 ` [PATCH 04/11] spi/pxa2xx: embed the ssp_device to platform data Mika Westerberg
2013-01-07 10:44 ` [PATCH 05/11] spi/pxa2xx: make clock rate configurable from " Mika Westerberg
2013-01-08 11:02 ` Mark Brown
2013-01-08 12:41 ` Mika Westerberg
2013-01-08 13:10 ` Mark Brown
2013-01-08 21:33 ` Rafael J. Wysocki
2013-01-09 10:51 ` Mika Westerberg
2013-01-09 21:52 ` Rafael J. Wysocki
2013-01-10 10:00 ` Mika Westerberg
2013-01-09 12:25 ` Mark Brown
2013-01-09 22:07 ` Rafael J. Wysocki
2013-01-10 9:58 ` Mika Westerberg
2013-01-10 12:38 ` Mika Westerberg
2013-01-10 12:54 ` Rafael J. Wysocki
2013-01-10 12:51 ` Mark Brown
2013-01-10 13:07 ` Mika Westerberg
2013-01-10 13:23 ` Rafael J. Wysocki
2013-01-10 13:33 ` Mika Westerberg
2013-01-10 13:18 ` Rafael J. Wysocki
2013-01-10 13:33 ` Mark Brown
2013-01-10 13:58 ` Mika Westerberg
2013-01-10 21:56 ` Rafael J. Wysocki
2013-01-11 10:59 ` Mark Brown [this message]
2013-01-10 13:08 ` Mika Westerberg
2013-01-08 21:37 ` Rafael J. Wysocki
2013-01-07 10:44 ` [PATCH 06/11] spi/pxa2xx: use the private DMA API only when CONFIG_ARCH_PXA is set Mika Westerberg
2013-01-17 9:36 ` Linus Walleij
2013-01-17 10:00 ` Mika Westerberg
2013-01-07 10:44 ` [PATCH 07/11] spi/pxa2xx: add support for DMA engine Mika Westerberg
2013-01-17 9:48 ` Linus Walleij
2013-01-17 10:39 ` Mika Westerberg
2013-01-07 10:44 ` [PATCH 08/11] spi/pxa2xx: add support for runtime PM Mika Westerberg
2013-01-07 10:44 ` [PATCH 09/11] spi/pxa2xx: add support for SPI_LOOP Mika Westerberg
2013-01-07 10:44 ` [PATCH 10/11] spi/pxa2xx: add support for Intel Low Power Subsystem SPI Mika Westerberg
2013-01-07 10:44 ` [PATCH 11/11] spi/pxa2xx: add support for Lynxpoint SPI controllers Mika Westerberg
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