Re: [PATCH] [v3] serial: 8250: remove obsolete and broken PORT_RSA support

[Maciej W. Rozycki]

On Wed, 21 Oct 2026, Maciej W. Rozycki wrote:

> so the only peculiarity is that the 8-byte region requested is actually 
> below `port->iobase', presumably relative to standard ISA serial port port 
> I/O locations of 0x3f8, 0x2f8, 0x3e8, 0x2e8, possibly not to clash with 
> conventional ISA serial port devices where also present in a system (for 

 Or, to self-correct after a few more mind cycles spent on this piece, the 
region below `port->iobase' is an expansion of one above, where standard 
8250 registers of the onboard serial port reside.  Which makes even more 
sense, to me anyway.

  Maciej