linux-kernel - [PATCH v3 0/3] riscv: dma-mapping: unify support for cache flushes

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Message-Id: <20230816232336.164413-1-prabhakar.mahadev-lad.rj@bp.renesas.com>
Date:   Thu, 17 Aug 2023 00:23:33 +0100
From:   Prabhakar <prabhakar.csengg@...il.com>
To:     Arnd Bergmann <arnd@...db.de>, Christoph Hellwig <hch@....de>,
        Paul Walmsley <paul.walmsley@...ive.com>,
        Palmer Dabbelt <palmer@...belt.com>,
        Albert Ou <aou@...s.berkeley.edu>,
        Conor Dooley <conor.dooley@...rochip.com>,
        Anup Patel <apatel@...tanamicro.com>,
        Andrew Jones <ajones@...tanamicro.com>,
        Jisheng Zhang <jszhang@...nel.org>,
        linux-kernel@...r.kernel.org
Cc:     Geert Uytterhoeven <geert+renesas@...der.be>,
        Samuel Holland <samuel@...lland.org>,
        linux-riscv@...ts.infradead.org, linux-renesas-soc@...r.kernel.org,
        Prabhakar <prabhakar.csengg@...il.com>,
        Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
Subject: [PATCH v3 0/3] riscv: dma-mapping: unify support for cache flushes

From: Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>

This patch series is a subset from Arnd's original series [0]. Ive just
picked up the bits required for RISC-V unification of cache flushing.
Remaining patches from the series [0] will be taken care by Arnd soon.

Cheers,
Prabhakar

v2->v3
* Got rid of dma-sync.h and included the changes directly into dma-noncoherent.c

v1->v2
* Dropped others archs
* Included RB and ACKs
* Fixed checkpatch issues

V1:
[0] https://patchwork.kernel.org/project/linux-riscv/cover/20230327121317.4081816-1-arnd@kernel.org/

Arnd Bergmann (2):
  riscv: dma-mapping: only invalidate after DMA, not flush
  riscv: dma-mapping: skip invalidation before bidirectional DMA

Lad Prabhakar (1):
  riscv: dma-mapping: switch over to generic implementation

 arch/riscv/mm/dma-noncoherent.c | 60 ++++++++++++++++++++++++++++-----
 1 file changed, 51 insertions(+), 9 deletions(-)

-- 
2.34.1