[U-Boot] [PATCH 0/4] dma-mapping: Add cache flush/invalidation to dma_{un}map_single

Vignesh Raghavendra vigneshr at ti.com
Fri Nov 15 11:55:01 UTC 2019

Drivers (especially frameworks ported from Linux such as USB) expect
dma_{un}map_single() APIs to take care of cache maintenance. But this is
not the case in U-Boot and few drivers take care of flushing caches
locally. Instead add flush/invalidate calls to DMA APIs in arch specific
dma-mapping.h file so that per driver implementation of these APIs can
be avoided.

I don't have all the affected hardwares. Would greatly appreciate if
these patches work fine on the affected platforms.

Vignesh Raghavendra (4):
  asm: dma-mapping.h: Fix dma mapping functions
  mmc: tmio-common: Drop custom dma mapping functions
  mtd: denali: Drop custom dma mapping functions
  net: macb: Drop local cache flush

 arch/arm/include/asm/dma-mapping.h   | 22 ++++++++++++++++--
 arch/nds32/include/asm/dma-mapping.h | 22 ++++++++++++++++--
 arch/riscv/include/asm/dma-mapping.h | 22 ++++++++++++++++--
 arch/x86/include/asm/dma-mapping.h   | 22 ++++++++++++++++--
 drivers/mmc/tmio-common.c            | 25 +++-----------------
 drivers/mtd/nand/raw/denali.c        | 34 +++-------------------------
 drivers/net/macb.c                   |  4 +---
 7 files changed, 87 insertions(+), 64 deletions(-)


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