regulator: Mark supply_name const and duplicate it as such
The supply_name member of struct regulator can be const as we don't change it in the regulator core. Furthermore, when we copy the supply name we can use kstrdup_const() here to avoid a copy if the name is in the ro data section. Signed-off-by:Stephen Boyd <sboyd@codeaurora.org> Signed-off-by:
Mark Brown <broonie@kernel.org>
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