From patchwork Mon Oct 16 05:47:44 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christoph Hellwig X-Patchwork-Id: 13422543 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 63E56CDB474 for ; Mon, 16 Oct 2023 05:48:09 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=Y2ngG6NOlCARnMaPWwbuVfrkjnrpwLSUg5pFUpBT3Xw=; b=D7neF+WpaMy1ui qkiy07JfDJTFqaaHFQq22m4GK/eR8Ruaf2eZdkSPU4ZJoaAPFqaP1tZX0W2XujW/eCbrjHhzUjAaV SIcAwO/WZkodrpKaQmQOdaDsTWoJvZBFoSo7zuKcNY/TTcL/mOG74Uew3qMM1bIKbVs5MVLfUsIdj LbrCFoNXENAaZYnRlZ4A0/1yOiqoDwGQjX7SEuXMJL63moiG6uQVD+0GJBWXyrMMoYyleHX9WfacC EQNvJtD9TeLvzUTW9udZeG+sBfOdtwnbZ24+p1yjJH3MQTqmreqXBtxcQnnnsMizCrnNa8gK2y+kV cJQfErmIaz5O65Gh0ZDw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1qsGST-008QhL-0r; Mon, 16 Oct 2023 05:48:05 +0000 Received: from 2a02-8389-2341-5b80-39d3-4735-9a3c-88d8.cable.dynamic.v6.surfer.at ([2a02:8389:2341:5b80:39d3:4735:9a3c:88d8] helo=localhost) by bombadil.infradead.org with esmtpsa (Exim 4.96 #2 (Red Hat Linux)) id 1qsGSR-008QgM-30; Mon, 16 Oct 2023 05:48:04 +0000 From: Christoph Hellwig To: Greg Ungerer , iommu@lists.linux.dev Cc: Paul Walmsley , Palmer Dabbelt , Conor Dooley , Geert Uytterhoeven , Magnus Damm , Robin Murphy , Marek Szyprowski , Geert Uytterhoeven , Wei Fang , Shenwei Wang , Clark Wang , NXP Linux Team , linux-m68k@lists.linux-m68k.org, netdev@vger.kernel.org, linux-riscv@lists.infradead.org, linux-renesas-soc@vger.kernel.org, Jim Quinlan Subject: [PATCH 02/12] riscv: only select DMA_DIRECT_REMAP from RISCV_ISA_ZICBOM Date: Mon, 16 Oct 2023 07:47:44 +0200 Message-Id: <20231016054755.915155-3-hch@lst.de> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20231016054755.915155-1-hch@lst.de> References: <20231016054755.915155-1-hch@lst.de> MIME-Version: 1.0 X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org 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 Reviewed-by: Robin Murphy Reviewed-by: Conor Dooley Reviewed-by: Lad Prabhakar --- 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