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SubjectRe: [PATCH v6 0/3] serial: 8250_pnp: Support configurable reg shift property
On Tue, Apr 09, 2024 at 03:43:20PM +0800, Guanbing Huang wrote:
> From: Guanbing Huang <albanhuang@tencent.com>
>
> The 16550a serial port based on the ACPI table requires obtaining the
> reg-shift attribute. In the ACPI scenario, If the reg-shift property
> is not configured like in DTS, the 16550a serial driver cannot read or
> write controller registers properly during initialization.
>
> To address the issue of configuring the reg-shift property, the
> __uart_read_properties() universal interface is called to implement it.
> Adaptation of PNP devices is done in the __uart_read_properties() function.

You either forgot or deliberately not added my tag. Can you elaborate?

--
With Best Regards,
Andy Shevchenko



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