[PATCH 3/3] i2c:support new register set for ast2600

[Andy Shevchenko]

On Thu, Jun 17, 2021 at 05:43:40PM +0800, Jamin Lin wrote:
> Add i2c new driver to support new register set for AST2600.
> AST2600 support three modes for data transfer which are
> byte mode, buffer mode and dma mode, respectively.
> The global driver of i2c is used to set the new register
> mode and define the base clock frequency
> of baseclk_1~baseclk_4.
> 
> Signed-off-by: Jamin Lin <jamin_lin at aspeedtech.com>
> ---
>  drivers/i2c/busses/Kconfig              |   11 +
>  drivers/i2c/busses/Makefile             |    1 +
>  drivers/i2c/busses/ast2600-i2c-global.c |  205 +++
>  drivers/i2c/busses/ast2600-i2c-global.h |   25 +
>  drivers/i2c/busses/i2c-new-aspeed.c     | 1796 +++++++++++++++++++++++

I commented _something_ (but read comments carefully, they will cover much
more). The overall it seems you have to:
 - shrink the code base by at least ~15% (it's possible), i.e. -200 LOCs
 - rethink how you do calculations and bit operations
 - better code style

-- 
With Best Regards,
Andy Shevchenko