Subject: [PATCH v4 3/3] serial: amba-pl011: add ACPI support to AMBA probe

From: [email-masked] (Timur Tabi)
Date: Tue, 5 Jan 2016 10:23:08 -0600

G Gregory wrote:
>> >I'm confused by this patch.  We already have code like this in
>> >tty-next, in the form of sbsa_uart_probe():
>> >
>> >https://kernel.googlesource.com/pub/scm/linux/kernel/git/gregkh/tty/+/tty-next/drivers/tty/serial/amba-pl011.c#2553
>> >
> Because Russell expressed unhappiness at that code existing. So this
> is an alternative method to do same thing with ACPI.

FYI, this patch doesn't apply on tty-next as-is, so it would need to be 
updated anyway.  Then again, considering the latest drama with that 
driver, who knows what it will look like?

> If the "arm,sbsa-uart" id was added to drivers/of/platform.c as an
> AMBA id then the same could be done for DT as well.
>
> Ultimately this patch is optional depending on maintainers opinion!

So with this patch, what is the difference between sbsa_uart_probe and 
pl011_probe?  Shouldn't the patch also remove sbsa_uart_probe?