linux-kernel - 2.6.28: Is there a way to disable sata probing for certain ports?

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Message-ID: <alpine.DEB.1.10.0812300605250.11356@p34.internal.lan>
Date:	Tue, 30 Dec 2008 07:24:47 -0500 (EST)
From:	Justin Piszcz <jpiszcz@...idpixels.com>
To:	linux-kernel@...r.kernel.org, linux-ide@...r.kernel.org
Subject: 2.6.28: Is there a way to disable sata probing for certain ports?

When I boot from an Intel X25-E SSD, it takes roughly a few seconds; 
however, items such as:

$ dmesg|grep link\ down
[    2.447030] ata4: SATA link down (SStatus 0 SControl 300)
[    4.481288] ata5: SATA link down (SStatus 0 SControl 0)
[    6.501288] ata6: SATA link down (SStatus 0 SControl 0)
[    8.522038] ata7: SATA link down (SStatus 0 SControl 0)
[   10.552288] ata8: SATA link down (SStatus 0 SControl 0)

Scanning for devices on channels that have nothing connected adds to the 
boot time, is there anyway to turn off/disable scanning for certain ports 
to help speed the boot process?

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