From: James Bottomley <James.Bottomley@SteelEye.com>
To: "Miroslav Zajíc" <Zajsoft@Zajsoft.NET>
Cc: bugme-daemon@bugzilla.kernel.org, Zajsoft2@Zajsoft.NET,
linux-scsi@vger.kernel.org
Subject: Re: [Bug 5808] aic7xxx - half speed/frequency
Date: Fri, 06 Jan 2006 15:46:40 -0600 [thread overview]
Message-ID: <1136584000.3528.56.camel@mulgrave> (raw)
In-Reply-To: <43BEC8F6.5000003@Zajsoft.NET>
On Fri, 2006-01-06 at 20:45 +0100, Miroslav Zajíc wrote:
> I try u suggestion, but not success.
> echo 50 > /sys/class/spi_transport/target0:0:0/period
> This dont change content and is still on 100.
It's not supposed to. The content reflects the current rate. Unless
you send an I/O to the device to force a negotiation to occur, it won't
change.
So you need to do
echo 50 > /sys/class/spi_transport/target0:0:0/period
fdisk /dev/sda
cat /sys/class/spi_transport/target0:0:0/period
the fdisk will force a partition table read down to the device.
James
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next prev parent reply other threads:[~2006-01-06 21:47 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <200601041758.k04Hw8Sf015281@fire-2.osdl.org>
2006-01-05 14:36 ` [Bug 5808] aic7xxx - half speed/frequency Miroslav Zajíc
2006-01-06 16:43 ` James Bottomley
2006-01-06 19:45 ` Miroslav Zajíc
2006-01-06 21:46 ` James Bottomley [this message]
[not found] <200601020041.k020fes2021946@fire-2.osdl.org>
2006-01-02 16:28 ` James Bottomley
[not found] ` <43B9C5A8.5090800@Zajsoft.NET>
2006-01-04 17:57 ` James Bottomley
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