Hi Andy, Thank you for reviewing. On Wed, Apr 17, 2024 at 1:29 AM Andy Shevchenko <andy.shevchenko@xxxxxxxxx> wrote: > > On Tue, Apr 16, 2024 at 8:39 AM Kate Hsuan <hpa@xxxxxxxxxx> wrote: > > > > This LED controller is installed on a Xiaomi pad2 and it is an x86 > > platform. The original driver is based on the device tree and can't be > > used for this ACPI based system. This patch migrated the driver to use > > fwnode to access the properties. Moreover, the fwnode API supports the > > device tree so this work won't affect the original implementations. > > ... > > > - int num_channels; > > + int num_channels = 0; > > Split this assignment, so... > > > int i = 0; > > > - num_channels = of_get_available_child_count(np); > > ...it become > > num_channels = 0; > > here. > > > + fwnode_for_each_available_child_node(fwnode, child) > > + num_channels++; > It will look like this: num_channels = 0; fwnode_for_each_available_child_node(fwnode, child) num_channels++; > ... > > > -static int ktd202x_add_led(struct ktd202x *chip, struct device_node *np, unsigned int index) > > +static int ktd202x_add_led(struct ktd202x *chip, > > + struct fwnode_handle *fwnode, > > + unsigned int index) > > Why split over 3 lines? I believe it can be still two or one > (depending if you use a relaxed limit). Make it to be one line. > > ... > > > static int ktd202x_probe_dt(struct ktd202x *chip) > > Perhaps you want to rename this to something like ktd202x_probe_fw(). Sounds good. > > ... > > > + fwnode = dev_fwnode(dev); > > Will be no use if the bellow applied, right? Right. It can be dropped. > > ... > > > - for_each_available_child_of_node(np, child) { > > + fwnode_for_each_available_child_node(fwnode, child) { > > Use device_for_each_child_node() instead. Okay. > > > } > > ... > > > - .shutdown = ktd202x_shutdown, > > + .shutdown = ktd202x_shutdown > > Stray change. I know the reason :) > > -- > With Best Regards, > Andy Shevchenko > -- BR, Kate