Benjamin Herrenschmidt 9840fcd8cc fsi: Prevent multiple concurrent rescans ...

The bus scanning process isn't terribly good at parallel attempts
at rescanning the same bus. Let's have a per-master mutex protecting
the scanning process.

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>

2018-07-27 09:58:12 +10:00

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