[U-Boot] [U-Boot, v3, 1/2] env_fat: use get_device_and_partition() during env save and load

[Tom Rini]

On Tue, Jun 24, 2014 at 05:31:02PM +0800, Wu, Josh wrote:

> From: "Wu, Josh" <Josh.wu at atmel.com>
> 
> Use get_device_and_partition() is better since:
> 1. It will call the device initialize function internally. So we can
> remove the mmc intialization code to save many lines.
> 2. It is used by fatls/fatload/fatwrite. So saveenv & load env should
> use it too.
> 3. It can parse the "D:P", "D", "D:", "D:auto" string to get correct
> device and partition information by run-time.
> 
> Also we remove the FAT_ENV_DEVICE and FAT_ENV_PART. We use a string:
> FAT_ENV_DEVICE_AND_PART.
> For at91sam9m10g45ek, it is "0". That means use device 0 and if:
> a)device 0 has no partition table, use the whole device as a FAT file
> system.
> b)device 0 has partittion table, use the partition #1.
> 
> Refer to the commit: 10a37fd7a4 for details of device & partition string.
> 
> Signed-off-by: Josh Wu <josh.wu at atmel.com>
> Reviewed-by: Stephen Warren <swarren at nvidia.com>

Applied to u-boot/master, thanks!

-- 
Tom
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