[PATCH v3 0/4] dmaengine: memset clarifications and fixes

[Ben Walker <benjamin.walker@intel.com>]

The following contains a clarification for the behavior of the 'value'
parameter in the memset operation. It is intended to be a single byte
pattern as laid out here:

https://lore.kernel.org/dmaengine/YejrA5ZWZ3lTRO%2F1@matsya/

Then I'm attempting to fix all places it is currently used. But note
that I do not have access to this hardware and cannot test it. We'll
really need a maintainer to take a look at each of these to verify that
the changes are correct.

v3:
 - Using signed byte for pattern everywhere

Ben Walker (4):
  dmaengine: Document dmaengine_prep_dma_memset
  dmaengine: at_hdmac: In atc_prep_dma_memset, treat value as a single
    byte
  dmaengine: at_xdmac: In at_xdmac_prep_dma_memset, treat value as a
    single byte
  dmaengine: hidma: In hidma_prep_dma_memset treat value as a single
    byte

 drivers/dma/at_hdmac.c    | 10 +++++++++-
 drivers/dma/at_xdmac.c    |  9 ++++++++-
 drivers/dma/qcom/hidma.c  | 13 ++++++++++++-
 include/linux/dmaengine.h |  8 ++++++++
 4 files changed, 37 insertions(+), 3 deletions(-)

-- 
2.33.1