From: David Brownell <david-b@pacbell.net>
To: spi-devel-general@lists.sourceforge.net
Cc: linuxppc-dev@ozlabs.org
Subject: Re: [spi-devel-general] [PATCH v2 3/4] [POWERPC][SPI] use brg-frequency for SPI in QE
Date: Thu, 20 Dec 2007 15:04:54 -0800 [thread overview]
Message-ID: <200712201504.54836.david-b@pacbell.net> (raw)
In-Reply-To: <20071220203322.GC19553@localhost.localdomain>
On Thursday 20 December 2007, Anton Vorontsov wrote:
> In case of QE we can use brg-frequency (which is qeclk/2).
> Thus no need to divide sysclk in the spi_mpc83xx.
>
> This patch also adds code to use get_brgfreq() on QE chips.
>
> Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com>
> ---
> arch/powerpc/sysdev/fsl_soc.c | 37 ++++++++++++++++++++++++-------------
> drivers/spi/spi_mpc83xx.c | 6 +-----
> 2 files changed, 25 insertions(+), 18 deletions(-)
For the SPI parts:
Acked-by: David Brownell <dbrownell@users.sourceforge.net>
Though it all looks a bit confusing to me, and I wonder
if the OF docs would make it less so.
next prev parent reply other threads:[~2007-12-20 23:04 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-12-20 20:27 [PATCH v2 0/4] device_type/compatible cleanups Anton Vorontsov
2007-12-20 20:32 ` [PATCH v2 1/4] [POWERPC] qe_lib and users: get rid of device_type and model Anton Vorontsov
2007-12-20 20:33 ` [PATCH v2 2/4] [POWERPC][NET] ucc_geth_mii and users: get rid of device_type Anton Vorontsov
2007-12-20 20:33 ` [PATCH v2 3/4] [POWERPC][SPI] use brg-frequency for SPI in QE Anton Vorontsov
2007-12-20 23:04 ` David Brownell [this message]
2007-12-20 23:40 ` Anton Vorontsov
2007-12-20 20:33 ` [PATCH v2 4/4] [POWERPC] fsl_spi_init and users: stop using device_type = "spi" Anton Vorontsov
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