Re: serial: 8250 fails to detect Exar XR16L2551 correctly

[Alex Williamson]

On Wed, 2005-07-06 at 19:57 +0100, Russell King wrote:
> On Tue, Jul 05, 2005 at 03:19:40PM +0100, David Vrabel wrote:
> > The 8250 serial driver detects the Exar XR16L2551 as a 16550A.  The
> > XR16L2551 has an EFR register and sleep capabilities (UART_CAP_FIFO |
> > UART_CAP_EFR | UART_CAP_SLEEP).  However, broken_efr() thinks it's a
> > buggy Exar ST16C255x.
> 
> Grumble!

Double grumble...

> > Perhaps it's okay for the ST16C255x to be detected as something with
> > UART_CAP_EFR | UART_CAP_SLEEP even if it doesn't work? i.e., by removing
> > broken_efr().
> 
> I don't know - maybe Alex Williamson can try your patch out.

   I can, but not till next week when I can get into the office and dig
up the box with the broken A2 rev UARTs.  Let me know if you need an
answer before then.  Thanks,

	Alex

-- 
Alex Williamson                             HP Linux & Open Source Lab

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