From: Conor Dooley <conor.dooley@microchip.com>
To: Christoph Hellwig <hch@lst.de>
Cc: Greg Ungerer <gerg@linux-m68k.org>, <iommu@lists.linux.dev>,
Paul Walmsley <paul.walmsley@sifive.com>,
Palmer Dabbelt <palmer@dabbelt.com>,
Conor Dooley <conor@kernel.org>,
Geert Uytterhoeven <geert+renesas@glider.be>,
Magnus Damm <magnus.damm@gmail.com>,
Robin Murphy <robin.murphy@arm.com>,
Marek Szyprowski <m.szyprowski@samsung.com>,
Geert Uytterhoeven <geert@linux-m68k.org>,
Wei Fang <wei.fang@nxp.com>, Shenwei Wang <shenwei.wang@nxp.com>,
Clark Wang <xiaoning.wang@nxp.com>,
NXP Linux Team <linux-imx@nxp.com>,
<linux-m68k@lists.linux-m68k.org>, <netdev@vger.kernel.org>,
<linux-riscv@lists.infradead.org>,
<linux-renesas-soc@vger.kernel.org>,
Jim Quinlan <james.quinlan@broadcom.com>
Subject: Re: [PATCH 02/12] riscv: only select DMA_DIRECT_REMAP from RISCV_ISA_ZICBOM
Date: Mon, 16 Oct 2023 13:55:40 +0100 [thread overview]
Message-ID: <20231016-chomp-vitally-b6c004be7809@wendy> (raw)
In-Reply-To: <20231016054755.915155-3-hch@lst.de>
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On Mon, Oct 16, 2023 at 07:47:44AM +0200, Christoph Hellwig wrote:
> 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>
Thanks,
Conor.
> ---
> arch/riscv/Kconfig | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/arch/riscv/Kconfig b/arch/riscv/Kconfig
> index 0ac0b538379718..9c48fecc671918 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
> --
> 2.39.2
>
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next prev parent reply other threads:[~2023-10-16 12:56 UTC|newest]
Thread overview: 39+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-10-16 5:47 fix the non-coherent coldfire dma_alloc_coherent v2 Christoph Hellwig
2023-10-16 5:47 ` [PATCH 01/12] riscv: RISCV_NONSTANDARD_CACHE_OPS shouldn't depend on RISCV_DMA_NONCOHERENT Christoph Hellwig
2023-10-16 12:49 ` Conor Dooley
2023-10-16 13:17 ` Christoph Hellwig
2023-10-16 17:16 ` Conor Dooley
2023-10-16 5:47 ` [PATCH 02/12] riscv: only select DMA_DIRECT_REMAP from RISCV_ISA_ZICBOM Christoph Hellwig
2023-10-16 11:18 ` Robin Murphy
2023-10-16 12:55 ` Conor Dooley [this message]
2023-10-16 15:39 ` Lad, Prabhakar
2023-10-16 5:47 ` [PATCH 03/12] soc: renesas: ARCH_R9A07G043 depends on !RISCV_ISA_ZICBOM Christoph Hellwig
2023-10-16 12:53 ` Conor Dooley
2023-10-16 15:40 ` Lad, Prabhakar
2023-10-17 7:59 ` Geert Uytterhoeven
2023-10-16 5:47 ` [PATCH 04/12] soc: renesas: select RISCV_DMA_NONCOHERENT from ARCH_R9A07G043 Christoph Hellwig
2023-10-16 12:52 ` Conor Dooley
2023-10-16 13:17 ` Christoph Hellwig
2023-10-17 10:44 ` Geert Uytterhoeven
2023-10-17 12:46 ` Christoph Hellwig
2023-10-17 13:12 ` Geert Uytterhoeven
2023-10-16 15:42 ` Lad, Prabhakar
2023-10-17 8:20 ` Geert Uytterhoeven
2023-10-16 5:47 ` [PATCH 05/12] dma-direct: add depdenencies to CONFIG_DMA_GLOBAL_POOL Christoph Hellwig
2023-10-16 11:18 ` Robin Murphy
2023-10-16 15:44 ` Lad, Prabhakar
2023-10-16 5:47 ` [PATCH 06/12] dma-direct: add a CONFIG_ARCH_DMA_ALLOC symbol Christoph Hellwig
2023-10-16 11:33 ` Robin Murphy
2023-10-16 5:47 ` [PATCH 07/12] dma-direct: simplify the use atomic pool logic in dma_direct_alloc Christoph Hellwig
2023-10-16 11:58 ` Robin Murphy
2023-10-16 5:47 ` [PATCH 08/12] dma-direct: warn when coherent allocations aren't supported Christoph Hellwig
2023-10-16 11:59 ` Robin Murphy
2023-10-16 5:47 ` [PATCH 09/12] m68k: use the coherent DMA code for coldfire without data cache Christoph Hellwig
2023-10-17 8:40 ` Geert Uytterhoeven
2023-10-19 12:50 ` Greg Ungerer
2023-10-16 5:47 ` [PATCH 10/12] net: fec: use dma_alloc_noncoherent for data cache enabled coldfire Christoph Hellwig
2023-10-17 8:43 ` Geert Uytterhoeven
2023-10-16 5:47 ` [PATCH 11/12] m68k: don't provide arch_dma_alloc for nommu/coldfire Christoph Hellwig
2023-10-16 5:47 ` [PATCH 12/12] m68k: remove unused includes from dma.c Christoph Hellwig
2023-10-17 8:48 ` Geert Uytterhoeven
2023-10-19 13:09 ` fix the non-coherent coldfire dma_alloc_coherent v2 Greg Ungerer
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