linux-kernel - RE: Staging: add pata

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Date:	Tue, 23 Jun 2009 10:44:03 +0800
From:	Kevin Huang (黃凱文) <Kevin.Huang@....com.tw>
To:	"Alan Cox" <alan@...rguk.ukuu.org.uk>,
	"Linux Kernel Mailing List" <linux-kernel@...r.kernel.org>
Cc:	<greg@...ah.com>, <torvalds@...ux-foundation.org>
Subject: RE: Staging: add pata_rdc driver

I just know all pata follow the ATA ATAPI Host Adapters Standard.pdf.
This standard describes all hardware interfaces for pata. (like sata and AHCI standard spec.)

The original draft does not have any Configuration Registers for Host Adapters. Then Intel proposes ATA Controller PCI Configuration Registers for this lack of the original draft, and T13 accept this proposal.

But this spec. releases at 2003. So before its release, all vendor had own Configuration Registers.

[Kevin Huang] -> According to this spec. OS can provide a standard driver for different vendor's pata controller.

Our new controller have crypto function and crypto configuration registers.
So it don’t like Intel controller.
Some Intel controller have RAID function, but we have not.

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