[PATCH linux dev-4.10 v2] drivers (fsi): sbefifo: Add timeout for waiting for data

[Andrew Jeffery]

On Thu, 2017-10-26 at 17:34 -0500, Eddie James wrote:
> From: "Edward A. James" <eajames at us.ibm.com>
> 
> During a transfer, in the event that the SBE isn't running, the driver
> will wait for data to appear in the FIFO forever. This doesn't work at
> BMC boot time if any transfers are attempted (by OCC driver probing, for
> example), as it will just hang the boot. So add a simple timeout
> mechanism when the driver reschdules waiting for data to show up in the
> FIFO.
> 
> Tested on witherspoon by rebooting the BMC successfully with chassis
> power on.
> 
> Signed-off-by: Edward A. James <eajames at us.ibm.com>

Applied to dev-4.10.

Cheers,

Andrew
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