Re: [PATCH 03/03] [INPUT][KEYBOARD] Add new keypad driver for s3c series SoCs

[Joonyoung Shim <jy0922.shim@samsung.com>]

On 9/7/2009 3:33 PM, Harald Welte wrote:
> On Mon, Sep 07, 2009 at 02:38:27PM +0900, Joonyoung Shim wrote:
>> We already implemented and tested the keypad driver for s5pc100 &
>> s5pc110 and maybe it will operate on s3c64xx. We use the samsung prefix
>> to support three cpu. Because there is no the arch for s5pc100 and
>> s5pc110, this driver doesn't compile yet on upstream kernel.
> 
> The schedule of System LSI (the department that makes the SoC and provides the
> BSP) is to first complete the 6410 support in the mainline kernel, and then
> incrementally submit the core architecture code for 6440, c100 and c110,
> followed by driver additions.
> 
> So the events (ordered by time) have to be in the following order
> 
> 1) the s3c-keypad driver with 6400/6410 support needs to be submitted and
>    submitted mainline.  This is what Jinsun was starting, and which he
>    will continue until it is included mainline.
> 

The keypad of s3c64xx and s5pc1xx is same almost, so we need to submit
the well-defined driver from the first.

> 2) the c100 / c110 or other SoC core architecture support needs to be
>    submitted mainline.  Nobody at System LSI is working on this yet,
>    but they already have a tree based on 2.6.31-rcX for this.  I suppose
>    the real work on submitting this will only be started after most of the
>    pending 6410 stuff has been submitted.
> 
> 3) Samsung (either system LSI or DMC) can then send an incremental patch
>    for adding 6440/c100/c110 support to the s3c-keypad driver.
> 
> Regards,