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Add helper functions for cache wback/inval/clean and use them arch_sync_dma_for_device()/arch_sync_dma_for_cpu() functions. The proposed changes are in preparation for switching over to generic implementation. Reorganization of the code is based on the patch (Link[0]) from Arnd. For now I have dropped CONFIG_ARCH_HAS_SYNC_DMA_FOR_CPU check as this will be enabled by default upon selection of RISCV_DMA_NONCOHERENT and also dropped arch_dma_mark_dcache_clean(). Link[0]: https://lore.kernel.org/all/20230327121317.4081816-22-arnd@kernel.org/ Signed-off-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com> Link: https://lore.kernel.org/r/20230816232336.164413-4-prabhakar.mahadev-lad.rj@bp.renesas.com Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com> |
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.. | ||
boot | ||
configs | ||
errata | ||
include | ||
kernel | ||
kvm | ||
lib | ||
mm | ||
net | ||
purgatory | ||
tools | ||
Kbuild | ||
Kconfig | ||
Kconfig.debug | ||
Kconfig.errata | ||
Kconfig.socs | ||
Makefile | ||
Makefile.postlink |