[PATCH v9 0/2] clk: Add functions to get optional clocks

Quite a few drivers get an optional clock, e.g. a bus clock required to access peripheral's registers that is always enabled on some devices. v9: - Add a separate patch to add a comment about __of_clk_get_by_name() error values. - Add brackets after devm_clk_get so people know it's a

[PATCH v9 0/2] clk: Add functions to get optional clocks

Quite a few drivers get an optional clock, e.g. a bus clock required to access peripheral's registers that is always enabled on some devices. v9: - Add a separate patch to add a comment about __of_clk_get_by_name() error values. - Add brackets after devm_clk_get so people know it's a