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mfd: ab8500-debugfs: Fix incompatible types in comparison expression issue
Smatch reports:
drivers/mfd/ab8500-debugfs.c:1804:20: error: incompatible types in comparison expression (different type sizes):
drivers/mfd/ab8500-debugfs.c:1804:20: unsigned int *
drivers/mfd/ab8500-debugfs.c:1804:20: unsigned long *
This is due to mixed types being compared in a min() comparison. Fix
this by treating values as signed and casting them to the same type
as the receiving variable.
Cc: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>