18.08.2021 17:07, Thierry Reding пишет: > On Tue, Aug 17, 2021 at 04:27:27AM +0300, Dmitry Osipenko wrote: > [...] >> +struct clk *tegra_clk_register(struct clk_hw *hw) >> +{ >> + struct platform_device *pdev; >> + struct device *dev = NULL; >> + struct device_node *np; >> + const char *dev_name; >> + >> + np = tegra_clk_get_of_node(hw); >> + >> + if (!of_device_is_available(np)) >> + goto put_node; >> + >> + dev_name = kasprintf(GFP_KERNEL, "tegra_clk_%s", hw->init->name); >> + if (!dev_name) >> + goto put_node; >> + >> + pdev = of_platform_device_create(np, dev_name, NULL); >> + if (!pdev) { >> + pr_err("%s: failed to create device for %pOF\n", __func__, np); >> + kfree(dev_name); >> + goto put_node; >> + } >> + >> + dev = &pdev->dev; >> + pm_runtime_enable(dev); >> +put_node: >> + of_node_put(np); >> + >> + return clk_register(dev, hw); >> +} > > This looks wrong. Why do we need struct platform_device objects for each > of these clocks? That's going to be a massive amount of platform devices > and they will completely mess up sysfs. RPM works with a device. It's not a massive amount of devices, it's one device for T20 and four devices for T30.