lan743x: Remove useless DMA-32 fallback configuration
authorChristophe JAILLET <christophe.jaillet@wanadoo.fr>
Sun, 9 Jan 2022 15:50:19 +0000 (16:50 +0100)
committerJakub Kicinski <kuba@kernel.org>
Mon, 10 Jan 2022 00:52:21 +0000 (16:52 -0800)
commite20a471256b0adccfa6b61aa12c4888abb542320
treee3985e2a957117970e2a4ba6cf541c4946eddf78
parentcfcfc8f5a54b2e125b3be857f630ffc37822df26
lan743x: Remove useless DMA-32 fallback configuration

As stated in [1], dma_set_mask() with a 64-bit mask never fails if
dev->dma_mask is non-NULL.
So, if it fails, the 32 bits case will also fail for the same reason.

Simplify code and remove some dead code accordingly.

[1]: https://lkml.org/lkml/2021/6/7/398

Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Link: https://lore.kernel.org/r/ef548716606f257939df9738a801f15b6edf2568.1641743405.git.christophe.jaillet@wanadoo.fr
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
drivers/net/ethernet/microchip/lan743x_main.c