linux

iv/linux

History

Serge Semin e6fe576796 dmaengine: dw: Set DMA device max segment size parameter

Maximum block size DW DMAC configuration corresponds to the max segment
size DMA parameter in the DMA core subsystem notation. Lets set it with a
value specific to the probed DW DMA controller. It shall help the DMA
clients to create size-optimized SG-list items for the controller. This in
turn will cause less dw_desc allocations, less LLP reinitializations,
better DMA device performance.

Signed-off-by: Serge Semin <Sergey.Semin@baikalelectronics.ru>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20200723005848.31907-8-Sergey.Semin@baikalelectronics.ru
Signed-off-by: Vinod Koul <vkoul@kernel.org>

2020-07-27 14:30:55 +05:30

acpi.c

dmaengine: dw: Register ACPI DMA controller for PCI that has companion

2020-06-16 21:54:47 +05:30

core.c

dmaengine: dw: Set DMA device max segment size parameter

2020-07-27 14:30:55 +05:30

dw.c

dmaengine: dw: Don't pollute CTL_LO on iDMA 32-bit

2019-01-07 17:57:13 +05:30

idma32.c

dmaengine: dw: Don't pollute CTL_LO on iDMA 32-bit