[PATCH V3 1/2] fw_env: make flash_io() take buffer as an argument

[Tom Rini]

On Wed, Jan 12, 2022 at 12:47:05PM +0100, Rafał Miłecki wrote:

> From: Rafał Miłecki <rafal at milecki.pl>
> 
> It's usually easier to understand code & follow it if all arguments are
> passed explicitly. Many coding styles also discourage using global
> variables.
> 
> Behaviour of flash_io() was a bit unintuitive as it was writing to a
> buffer referenced in a global struct. That required developers to
> remember how it works and sometimes required hacking "environment"
> global struct variable to read data into a proper buffer.
> 
> Signed-off-by: Rafał Miłecki <rafal at milecki.pl>

Applied to u-boot/master, thanks!

-- 
Tom
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