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SubjectRe: [PATCH 1/2] sp5100_tco: Fix wrong indirect I/O access for getting value of reserved bits
Dear Wim,

Am Mittwoch, den 30.01.2013, 20:19 +0100 schrieb Wim Van Sebroeck:

> > In case of SB800 or later chipset and re-programming MMIO address(*),
> > sp5100_tco module may read incorrect value of reserved bit, because the module
> > reads a value from an incorrect I/O address. However, this bug doesn't cause
> > a problem, because when re-programming MMIO address, by chance the module
> > writes zero (this is BIOS's default value) to the low three bits of register.
> > * In most cases, PC with SB8x0 or later chipset doesn't need to re-programming
> > MMIO address, because such PC can enable AcpiMmio and can use 0xfed80b00 for
> > watchdog register base address.
> >
> > This patch fixes this bug.
> >
> > Bugzilla:
> > Signed-off-by: Takahisa Tanaka <>
> Added to linux-watchdog-next.

Is it allowed to rewrite history of linux-watchdog-next? If yes, could
you please add `CC:` to both of Takahisa’s
patches and also add my

Tested-by: Paul Menzel <>
ASRock E350M1 (SB800)

as commented on the bug report to it?


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