sfc: simplify DMA mask setting

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Christoph says[1] that dma_set_mask_and_coherent() is smart enough to
 truncate the mask itself if it's too long.  So we can get rid of our
 "lop off one bit and retry" loop in efx_init_io().

[1]: https://www.spinics.net/lists/netdev/msg677266.html

Signed-off-by: Edward Cree <ecree@solarflare.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

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Edward Cree 2020-09-07 17:15:48 +01:00 • committed by Jakub Kicinski

parent 60bd2a2d1f

commit 08bdbcae29

1 changed files with 1 additions and 11 deletions

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12

drivers/net/ethernet/sfc/efx_common.c

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