This patch series makes some initial minor and cosmetic changes:
-Add variables and logic to handle separate source and destination
AxSize and AxLen.
-Use __ffs to calculate AxSize for consistency in the driver
-Use switch-case in prep_slave_sg() for consistency
-Change args get_burst_len() to remove redundant "len" and add
burst_size so that it can be used in multiple places.
to majorly enable addition of 2 quirks in the last 2 patches:
-Addition of a quirk to allow transactions towards memory to use the
maximum possible bus width (AxSize) during a memory to peripheral
dma usage or vise-versa.
-Addition of a quirk which makes PL330 copy left over data after
executing bursts to the peripheral in singles instead of bursts.
-Update dt-bindings to represent the quirks
Quirks are explained further in the commit text.
---
Joy Chakraborty (7):
dmaengine: pl330: Separate SRC and DST burst size and len
dmaengine: pl330: Use FFS to calculate burst size
dmaengine: pl330: Change if-else to switch-case for consistency
dmaengine: pl330: Change unused arg "len" from get_burst_len()
dmaengine: pl330: Quirk to optimize AxSize for peripheral usecases
dmaengine: pl330: Quirk to use DMA singles for peripheral _dregs
dt-bindings: dmaengine: pl330: Add new quirks
.../devicetree/bindings/dma/arm,pl330.yaml | 8 +
drivers/dma/pl330.c | 245 +++++++++++++++---
2 files changed, 213 insertions(+), 40 deletions(-)
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2.40.1.495.gc816e09b53d-goog
