diff options
| author | Christoph Hellwig <hch@lst.de> | 2023-10-18 07:26:53 +0200 |
|---|---|---|
| committer | Geert Uytterhoeven <geert+renesas@glider.be> | 2023-10-26 09:42:38 +0200 |
| commit | 381cae1698538ad2f90dd6ecd8ed155d194e072f (patch) | |
| tree | c8470052d91aaf2bf1304c7eebe6b17f687a8541 /arch | |
| parent | fd962781270e6452dd5b30c8aa0b3b0fbee06244 (diff) | |
riscv: only select DMA_DIRECT_REMAP from RISCV_ISA_ZICBOM and ERRATA_THEAD_PBMT
RISCV_DMA_NONCOHERENT is also used for whacky non-standard
non-coherent ops that use different hooks in dma-direct.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Conor Dooley <conor.dooley@microchip.com>
Reviewed-by: Robin Murphy <robin.murphy@arm.com>
Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Tested-by: Samuel Holland <samuel.holland@sifive.com>
Link: https://lore.kernel.org/r/20231018052654.50074-3-hch@lst.de
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/riscv/Kconfig | 2 | ||||
| -rw-r--r-- | arch/riscv/Kconfig.errata | 1 |
2 files changed, 2 insertions, 1 deletions
diff --git a/arch/riscv/Kconfig b/arch/riscv/Kconfig index 0ac0b5383797..9c48fecc6719 100644 --- a/arch/riscv/Kconfig +++ b/arch/riscv/Kconfig @@ -273,7 +273,6 @@ config RISCV_DMA_NONCOHERENT select ARCH_HAS_SYNC_DMA_FOR_CPU select ARCH_HAS_SYNC_DMA_FOR_DEVICE select DMA_BOUNCE_UNALIGNED_KMALLOC if SWIOTLB - select DMA_DIRECT_REMAP if MMU config RISCV_NONSTANDARD_CACHE_OPS bool @@ -549,6 +548,7 @@ config RISCV_ISA_ZICBOM depends on RISCV_ALTERNATIVE default y select RISCV_DMA_NONCOHERENT + select DMA_DIRECT_REMAP help Adds support to dynamically detect the presence of the ZICBOM extension (Cache Block Management Operations) and enable its diff --git a/arch/riscv/Kconfig.errata b/arch/riscv/Kconfig.errata index 566bcefeab50..e2c731cfed8c 100644 --- a/arch/riscv/Kconfig.errata +++ b/arch/riscv/Kconfig.errata @@ -77,6 +77,7 @@ config ERRATA_THEAD_PBMT config ERRATA_THEAD_CMO bool "Apply T-Head cache management errata" depends on ERRATA_THEAD && MMU + select DMA_DIRECT_REMAP select RISCV_DMA_NONCOHERENT default y help |