Commit a6db3b92 authored by Viresh Kumar's avatar Viresh Kumar
Browse files

soc/tegra: Add comment over devm_pm_opp_set_clkname() 



Explain why special handling was required here, it isn't obvious at all.

Tested-by: default avatarDmitry Osipenko <dmitry.osipenko@collabora.com>
Signed-off-by: default avatarViresh Kumar <viresh.kumar@linaro.org>
parent d8c32d39

drivers/soc/tegra/common.c

+7 −0
Original line number Diff line number Diff line
@@ -108,6 +108,13 @@ int devm_tegra_core_dev_init_opp_table(struct device *dev, 
	u32 hw_version;

	int err;



	/*

	 * For some devices we don't have any OPP table in the DT, and in order

	 * to use the same code path for all the devices, we create a dummy OPP

	 * table for them via this call. The dummy OPP table is only capable of

	 * doing clk_set_rate() on invocation of dev_pm_opp_set_rate() and

	 * doesn't provide any other functionality.

	 */

	err = devm_pm_opp_set_clkname(dev, NULL);

	if (err) {

		dev_err(dev, "failed to set OPP clk: %d\n", err);