[U-Boot] [PATCH 2/2] nand/fsl_elbc: Convert to self-init

[Scott Wood <scottwood@freescale.com>]

On 01/16/2012 10:51 AM, Scott Wood wrote:
> On 01/15/2012 01:29 PM, Mike Frysinger wrote:
>> On Thursday 12 January 2012 20:59:41 Scott Wood wrote:
>>> --- a/drivers/mtd/nand/fsl_elbc_nand.c
>>> +++ b/drivers/mtd/nand/fsl_elbc_nand.c
>>>
>>> +#ifndef CONFIG_SYS_NAND_BASE_LIST
>>> +#define CONFIG_SYS_NAND_BASE_LIST { CONFIG_SYS_NAND_BASE }
>>> +#endif
>>
>> would this be better off in nand.h ?
> 
> I'm trying to get away from the model where the NAND subsystem pretends
> to know anything about how a driver talks to its hardware (except when
> the driver chooses to use a common NAND function that uses things like
> IO_ADDR_R/W).  For eLBC it probably makes more sense to specify the
> chipselect rather than the address (we have to search for the former
> based on the latter), though that's a separate change that can happen on
> its own now that the connection to subsystem code has been severed.

Also, even when there isn't a mismatch with the hardware interface, this
frees up the driver to initialize in other ways, separate from a fixed
list iterated over during U-Boot startup -- the addresses could come
from a device tree, for example.

-Scott