[RFC v2 dev-5.1 4/5] i2c: aspeed: add buffer mode transfer support

[Tao Ren]

On 6/25/19 1:51 PM, Jae Hyun Yoo wrote:
> Byte mode currently this driver uses makes lots of interrupt call
> which isn't good for performance and it makes the driver very
> timing sensitive. To improve performance of the driver, this commit
> adds buffer mode transfer support which uses I2C SRAM buffer
> instead of using a single byte buffer.
> 
> Signed-off-by: Jae Hyun Yoo <jae.hyun.yoo at linux.intel.com>

Tested-by: Tao Ren <taoren at fb.com>

Applied patch serial 1-4 to openbmc kernel 5.1.15 and booted up Facebook CMM AST2500 BMC: I2C component looks normal to me.

Cheers,

Tao