Messages in this thread | | | Subject | Re: serial: 8250 fails to detect Exar XR16L2551 correctly | From | Alex Williamson <> | Date | Wed, 06 Jul 2005 14:20:31 -0600 |
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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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