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SubjectRe: XScale 8250 patches cause malfunction on AMD-8111
Russell King <rmk+lkml@arm.linux.org.uk> wrote:
>
> On Mon, Mar 07, 2005 at 08:56:54PM +0100, Petr Vandrovec wrote:
> > Well, problem is not in bit 6 in IER, but in bit 6 in high divisor byte,
> > as DLAB is set to one from previous probe. This simple clear of LCR
> > register fixes problem with (probably all 16550A) chips being detected
> > as XScale, and in addition to it it does not switch my 115200Bd serial
> > line to 7Bd mode (0x4001 divisor) anymore.
>
> Good catch, thanks. I'd preferably like to see Chris Wedgwood test this
> before applying it - I'm sure it'll fix his problem as well, but I'd
> like to be sure.

It fixes it on my box. Thanks, all.
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