[GIT PULL] dma-mapping updates for Linux 5.16

[Christoph Hellwig]

Just a small set of changes this time.  The request dma_direct_alloc
cleanups are still under review and haven't made the cut.

The following changes since commit 519d81956ee277b4419c723adfb154603c2565ba:

  Linux 5.15-rc6 (2021-10-17 20:00:13 -1000)

are available in the Git repository at:

  git://git.infradead.org/users/hch/dma-mapping.git tags/dma-mapping-5.16

for you to fetch changes up to 9fbd8dc19aa57ec8fe92606043199919527cd9be:

  dma-mapping: use 'bitmap_zalloc()' when applicable (2021-10-27 08:20:09 +0200)

----------------------------------------------------------------
dma-mapping updates for Linux 5.16

 - convert sparc32 to the generic dma-direct code
 - use bitmap_zalloc (Christophe JAILLET)

----------------------------------------------------------------
Christoph Hellwig (3):
      sparc32: remove the call to dma_make_coherent in arch_dma_free
      sparc32: remove dma_make_coherent
      sparc32: use DMA_DIRECT_REMAP

Christophe JAILLET (1):
      dma-mapping: use 'bitmap_zalloc()' when applicable

 arch/sparc/Kconfig         |  3 +-
 arch/sparc/kernel/ioport.c | 76 +++++-----------------------------------------
 kernel/dma/coherent.c      |  5 ++-
 3 files changed, 12 insertions(+), 72 deletions(-)