[U-Boot] [PATCH v2 1/3] tests: py: dfu: Add global variables to store dfu alt numbers for test and dummy files

[Stephen Warren]

On 04/19/2016 09:51 AM, Lukasz Majewski wrote:
> This patch replaces hardcoded (i.e. 0 and 1) values passed to dfu_{read|write}
> with global variables.

Why do these variables need to be global? They're only used inside 
test_dfu(). They should be local to that function.