linux-kernel - Re: Fw: [PATCH] ahci: add ACard 8620 support (rough draft)

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Date:	Tue, 14 Apr 2009 10:28:00 +0800
From:	Jim Yeh <jimyeh98@...rd.com>
To:	Jeff Garzik <jeff@...zik.org>
CC:	jason wu <jason_wu@...rd.com>,
	"莊文舉(Jason Chuang)" 
	<jason@...rd.com>,
	"陳力誠(Richard Chen)" 
	<rchern@...rd.com>,
	"翁茂賀(Daniel Weng)" 
	<dweng@...rd.com>,
	"吳佳璋(Laurence Wu)" 
	<laurence@...rd.com>,
	"陳德威(Derwei Chen)" 
	<derwei@...rd.com>,
	"陳金清(GeingChing Chen)" 
	<geingching@...rd.com>, linux-kernel@...r.kernel.org,
	linux-ide@...r.kernel.org, akpm@...ux-foundation.org,
	Tejun Heo <htejun@...il.com>
Subject: Re: Fw: [PATCH] ahci: add ACard 8620 support (rough draft)

Dear Jeff,

Thanks for your explanation. We agree with you.

 I'll prepare the hardware for your testing. The form factor of PCB will 
be a 32bit PCI-base add-on card. Please advise the address for both of 
yours. It is expected to be sent by next week.

Regards,
 
Jim Yeh
Product Manager
Marketing Dept.
ACARD Technology Corp.
TEL:886-2-85122290#3244



Jeff Garzik 提到:
> Jim Yeh wrote:
>> Dear Jeff,
>>
>> This is Jim,an IC PM from ACARD Technology. Thanks for your effort on 
>> building Linux driver for ACARD ATP8620. Since ACARD already have a 
>> verified AHCI driver for ATP8620, we'd like to submit this one for 
>> the kernel built-in driver (please see attachment). This driver 
>> support Linux Kernel 2.6.29 AHCI mode for ATP8620 (2ch SATA IC) and 
>> ATP8624 (4ch SATA IC). It already passed our own stability and 
>> compatibility test with SATA devices like HDD, ODD, or 
>> PortMultiplier. If you have any question or need the hardware for 
>> testing, please don't hesitate to contact me. Thanks again for your 
>> help.
>
> Thank you for your email.
>
> We understand you have verified your driver, but it is standard Linux 
> driver policy to avoid code duplication.  Multiple implementations of 
> AHCI drivers implies several negative factors:
>
> * each bug fix must be reviewed across multiple AHCI drivers, to 
> determine if the bug fix must be copied
>
> * non-uniform user experience, depending on AHCI platform
>
> * Shared AHCI code gets much more testing and verification.
>
> * When a hardware vendor's AHCI chip reaches End Of Life, or the 
> company goes out of business, users are not abandoned.
>
> So, for the official Linux kernel drivers that are shipped by Red Hat, 
> Novell/SuSE, Canonical and other vendors, we will need to modify the 
> existing Linux AHCI driver to support ATP8620 and ATP8624.
>
>
> And yes -- test hardware would be greatly appreciated!  If you could 
> send these, that would be appreciated:
>
>     To Tejun Heo
>     ------------
>     1 x ATP8620
>     1 x ATP8624
>
>     To Jeff Garzik
>     --------------
>     1 x ATP8620
>     1 x ATP8624
>
> I assume this is PCI, PCI-X or PCI-Express form factor?
>
> Regards and thanks,
>
>     Jeff
>
>
>
>
>
> __________ Information from ESET NOD32 Antivirus, version of virus 
> signature database 4005 (20090413) __________
>
> The message was checked by ESET NOD32 Antivirus.
>
> http://www.eset.com
>
>
>
>
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