G Gregory wrote:

quoted

quoted

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?