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

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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





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