swiotlb: remove swiotlb_nr_tbl

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All callers just use it to check if swiotlb is active at all, for which
they can just use is_swiotlb_active.  In the longer run drivers need
to stop using is_swiotlb_active as well, but let's do the simple step
first.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>

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Christoph Hellwig 2021-03-18 17:14:24 +01:00 • committed by Konrad Rzeszutek Wilk

parent 2d29960af0

commit 2cbc2776ef

5 changed files with 4 additions and 10 deletions

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include/linux/swiotlb.h

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