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SubjectRe: [PATCH] Create IP100A Driver
Jesse Huang wrote:
> Hi John:
>
> I will try mutt or mail when i want to send next patch. Most different of
> ip100a.c
> and sundance.c are almost same only fix some bugs. The different of ip100a
> and ip100 is in phy. We can use one driver to support those two device, I
> want
> to know what is better for kernel:
>
> 1. Only updata sundance.c to support IP100A
> 2. Release ip100a.c which support ip100(sundance) to kernel 2.6.x and ask to
> remove sundance.c.
> 3. Release ip100a.c with sundance.c both to kernel 2.6.x
>
> We hope to use IP100a.c as our product driver, so 2. and 3. will better for
> IC Plus. But we will still follow your suggestion, if you feel 1. was better
> for kernel.

Although it is occasionally OK to duplicate a driver, I do not see a
compelling case with ip100a.

The stronger case for a single codebase is won on the strengths of lower
long-term maintenance costs, increased strength of review, doesn't break
existing sundance driver uses, and re-use of existing testing benefits.

If you feel strongly about not showing "sundance" to your users, you can
always submit a one-line MODULE_ALIAS() change which permits users to
load "ip100a" (really sundance.c). Using MODULE_ALIAS() seems quite
reasonable, given that IC Plus appears to be taking the lead in future
Sundance-like chip development.

So, please resubmit as changes to the existing sundance.c. This is
better for the standard Linux kernel engineering process.

Thanks,

Jeff


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