Re: [PATCH v21 3/4] i2c: ast2600: Add controller driver for new register layout

andriy.shevchenko
2025-11-07T09:42:47Z

On Fri, Nov 07, 2025 at 06:26:39AM +0000, Ryan Chen wrote:
> > On 27/10/2025 07:12, Ryan Chen wrote:

...

> Add new file i2c-aspeed-core.c to do legacy probe and i2c-ast2600 probe.
>
> if (of_device_is_compatible(dev_of_node(dev), "aspeed,ast2600-i2c-bus") &&

if (device_is_compatible(dev, "aspeed,ast2600-i2c-bus") &&

> of_parse_phandle(dev_of_node(dev), "aspeed,global-regs", 0)) {

Not sure why do you need this. Isn't it as simple as

device_property_present(dev, "aspeed,global-regs", 0)) {

or something between these lines?

> ret = ast2600_i2c_probe(pdev);
> } else {
> ret = aspeed_i2c_probe(pdev);
> }

--
With Best Regards,
Andy Shevchenko