[GIT PULL] DMA mapping updates for 5.2

[Christoph Hellwig]

Hi Linus,

a pretty small DMA mapping updates for this merge window below:


The following changes since commit 15ade5d2e7775667cf191cf2f94327a4889f8b9d:

  Linux 5.1-rc4 (2019-04-07 14:09:59 -1000)

are available in the Git repository at:

  git://git.infradead.org/users/hch/dma-mapping.git tags/dma-mapping-5.2

for you to fetch changes up to 13bf5ced93775ffccb53527a9d862e023a9daa03:

  dma-mapping: add a Kconfig symbol to indicate arch_dma_prep_coherent presence (2019-05-06 15:04:40 +0200)

----------------------------------------------------------------
DMA mapping updates for 5.2

 - remove the already broken support for NULL dev arguments to the
   DMA API calls
 - Kconfig tidyups

----------------------------------------------------------------
Christoph Hellwig (8):
      parport_ip32: pass struct device to DMA API functions
      da8xx-fb: pass struct device to DMA API functions
      gbefb: switch to managed version of the DMA allocator
      pxa3xx-gcu: pass struct device to dma_mmap_coherent
      arm: use a dummy struct device for ISA DMA use of the DMA API
      dma-mapping: remove leftover NULL device support
      x86/dma: Remove the x86_dma_fallback_dev hack
      dma-mapping: add a Kconfig symbol to indicate arch_dma_prep_coherent presence

Clément Leger (1):
      dma: select GENERIC_ALLOCATOR for DMA_REMAP

Dan Carpenter (1):
      dma-mapping: remove an unnecessary NULL check

 Documentation/DMA-API-HOWTO.txt    | 13 ++++++-------
 arch/arm/kernel/dma-isa.c          |  8 +++++++-
 arch/arm/mach-rpc/dma.c            |  8 +++++++-
 arch/arm64/Kconfig                 |  1 +
 arch/csky/Kconfig                  |  1 +
 arch/x86/include/asm/dma-mapping.h | 10 ----------
 arch/x86/kernel/amd_gart_64.c      |  6 ------
 arch/x86/kernel/pci-dma.c          | 20 --------------------
 drivers/parport/parport_ip32.c     | 18 ++++++++++--------
 drivers/video/fbdev/da8xx-fb.c     | 13 +++++++------
 drivers/video/fbdev/gbefb.c        | 24 ++++++++----------------
 drivers/video/fbdev/pxa3xx-gcu.c   |  4 +++-
 include/linux/dma-mapping.h        |  6 +++---
 include/linux/dma-noncoherent.h    |  6 ++++++
 kernel/dma/Kconfig                 |  4 ++++
 kernel/dma/direct.c                |  2 +-
 kernel/dma/mapping.c               |  9 +--------
 17 files changed, 65 insertions(+), 88 deletions(-)