From: Jeff Garzik <jeff@garzik.org>
To: sonic zhang <sonic.adi@gmail.com>
Cc: Linux IDE <linux-ide@vger.kernel.org>,
Linux Kernel <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] [libata] Set proper ATA UDMA mode for bf548 according to system clock.
Date: Sat, 01 Dec 2007 17:36:45 -0500 [thread overview]
Message-ID: <4751E1FD.60206@garzik.org> (raw)
In-Reply-To: <1196138859.6974.2.camel@eight.analog.com>
sonic zhang wrote:
> UDMA Mode - Frequency compatibility
>
> UDMA5 - 100 MB/s - SCLK = 133 MHz
> UDMA4 - 66 MB/s - SCLK >= 80 MHz
> UDMA3 - 44.4 MB/s - SCLK >= 50 MHz
> UDMA2 - 33 MB/s - SCLK >= 40 MHz
>
>
> Signed-off-by: Sonic Zhang <sonic.zhang@analog.com>
> ---
> drivers/ata/pata_bf54x.c | 7 +++++++
> 1 files changed, 7 insertions(+), 0 deletions(-)
applied #upstream-fixes
prev parent reply other threads:[~2007-12-01 22:36 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-11-27 4:47 [PATCH] [libata] Set proper ATA UDMA mode for bf548 according to system clock sonic zhang
2007-11-29 7:18 ` Sonic Zhang
2007-11-29 9:26 ` Alan Cox
2007-12-01 22:36 ` Jeff Garzik [this message]
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