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![Stephen Boyd](https://secure.gravatar.com/avatar/8c6b7eae8dbc6e6ed2f41596b1254753.jpg?s=96&d=mm)
Stephen Boyd committed 226fd702094
clk: Document of_parse_clkspec() some more The return value of of_parse_clkspec() is peculiar. If the function is called with a NULL argument for 'name' it will return -ENOENT, but if it's called with a non-NULL argument for 'name' it will return -EINVAL. This peculiarity is documented by commit 5c56dfe63b6e ("clk: Add comment about __of_clk_get_by_name() error values"). Let's further document this function so that it's clear what the return value is and how to use the arguments to parse clk specifiers. Cc: Phil Edworthy <phil.edworthy@renesas.com> Signed-off-by: Stephen Boyd <sboyd@kernel.org> Link: https://lkml.kernel.org/r/20190826212042.48642-1-sboyd@kernel.org Reviewed-by: Phil Edworthy <phil.edworthy@renesas.com>