[PATCH v1 2/2] misc: npcm7xx: add NPCM7xx LPC BPC driver

[Tomer Maimon]

[+Benjamin Fair]

Hi Greg,

This hardware is working in the same manner that Aspeed lpc snooping driver
(/drivers/misc/aspeed-lpc-snoop.c)

On 16 July 2018 at 14:33, Greg KH <gregkh at linuxfoundation.org> wrote:

> On Wed, Jul 04, 2018 at 12:14:27PM +0300, Tomer Maimon wrote:
> > Add Nuvoton BMC NPCM7xx BIOS post code (BPC) driver.
> >
> > The NPCM7xx BPC monitoring two I/O address written by
> > the host on the Low Pin Count (LPC) bus, the capure
> > data stored in 128-word FIFO.
> >
> > Signed-off-by: Tomer Maimon <tmaimon77 at gmail.com>
>
> It would be great to get someone else who knows that this hardware is
> supposed to be doing to ack or sign-off on this patch, as I don't know
> if this really is providing the correct api for it or not.
>

Joel could you sign-off this patch please.

Right now it's just reading data from the hardware, what good is that?
> Who uses this?  What userspace tools connect up to it?
>

BMC is logging a configurable I/O port (for example 0x80 port which is BIOS
post code) and remote management can get.

about tools, the OpenBMC is using it.
https://github.com/openbmc/phosphor-host-postd


> thanks,
>
> greg k-h
>

thanks,

Tomer
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