On Thu, Dec 19, 2019 at 11:27:47AM -0700, Logan Gunthorpe wrote:
> commit 6acdf7e19b37cb3a9258603d0eab315079c19c5e upstream.
>
> The part_event_bitmap register is 64 bits wide, so read it with ioread64()
> instead of the 32-bit ioread32().
>
> Fixes: 52eabba5bcdb ("switchtec: Add IOCTLs to the Switchtec driver")
> Link: https://lore.kernel.org/r/20190910195833.3891-1-logang@xxxxxxxxxxxx
> Reported-by: Doug Meyer <dmeyer@xxxxxxxxxx>
> Signed-off-by: Logan Gunthorpe <logang@xxxxxxxxxxxx>
> Cc: Bjorn Helgaas <bhelgaas@xxxxxxxxxx>
> Cc: stable@xxxxxxxxxxxxxxx # v4.12+
> Cc: Kelvin Cao <Kelvin.Cao@xxxxxxxxxxxxx>
> Cc: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
> ---
>
> ioread64() was introduced in v5.1 so the upstream patch won't compile on
> stable versions 4.14 or 4.19. This is the same patch but uses readq()
> which should be equivalent.
Now queued up, thanks.
greg k-h
