[Bug 283706] atopcase0: irq storm on MacBook Pro

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=283706

Marcin Cieślak <saper@saper.info> changed:

           What    |Removed                     |Added
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                 CC|                            |val@packett.cool

--- Comment #2 from Marcin Cieślak <saper@saper.info> ---
Now I think this is not a regression... ACPI version behaves better but
sometimes the keyboard driver is not attached due to "SPI Error: 5"

Typing on the keyboard is maddddddddddddddddddddddddddddddddddddde difficult
with "keeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeyy storms" accompanied by

Jan 30 15:00:32 radziecki kernel: spi0: transfer timeout
Jan 30 15:00:32 radziecki kernel: atopcase0: SPI error: 5
Jan 30 15:00:39 radziecki kernel: spi0: transfer timeout
Jan 30 15:00:39 radziecki kernel: atopcase0: SPI error: 5
Jan 30 15:00:45 radziecki kernel: spi0: transfer timeout
Jan 30 15:00:45 radziecki kernel: atopcase0: SPI error: 5
Jan 30 15:00:52 radziecki kernel: spi0: transfer timeout
Jan 30 15:00:52 radziecki kernel: atopcase0: SPI error: 5
Jan 30 15:00:58 radziecki kernel: spi0: transfer timeout
Jan 30 15:00:58 radziecki kernel: atopcase0: SPI error: 5


My SPI controller is this:::::::::::::::::::::::::::::::::::

spi0@pci0:0:30:3:       class=0x118000 rev=0x21 hdr=0x00 vendor=0x8086
device=0x9d2a subvendor=0x8086 subdevice=0x7270

Maybe it is a generic SPI problem                                    here (on
Intel Skylake)

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