From: Michael Tretter <m.tret...@pengutronix.de> Date: Fri, 18 Oct 2019 16:11:43 +0200
> The tx_clk, rx_clk, and tsu_clk are optional. Currently the macb driver > marks clock as not available if it receives an error when trying to get > a clock. This is wrong, because a clock controller might return > -EPROBE_DEFER if a clock is not available, but will eventually become > available. > > In these cases, the driver would probe successfully but will never be > able to adjust the clocks, because the clocks were not available during > probe, but became available later. > > For example, the clock controller for the ZynqMP is implemented in the > PMU firmware and the clocks are only available after the firmware driver > has been probed. > > Use devm_clk_get_optional() in instead of devm_clk_get() to get the > optional clock and propagate all errors to the calling function. > > Signed-off-by: Michael Tretter <m.tret...@pengutronix.de> Applied, thanks.
