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Sat, 01 Nov 2025 08:44:07 -0700 (PDT) From: Anup Patel To: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Paul Walmsley , Palmer Dabbelt , Greg KH , Alexander Shishkin , Ian Rogers Cc: Alexandre Ghiti , Peter Zijlstra , Ingo Molnar , Namhyung Kim , Mark Rutland , Jiri Olsa , Adrian Hunter , Liang Kan , Mayuresh Chitale , Anup Patel , Atish Patra , Andrew Jones , Sunil V L , linux-riscv@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Anup Patel Subject: [PATCH v2 08/12] riscv: Enable DMA_RESTRICTED_POOL in defconfig Date: Sat, 1 Nov 2025 21:12:41 +0530 Message-ID: <20251101154245.162492-9-apatel@ventanamicro.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20251101154245.162492-1-apatel@ventanamicro.com> References: <20251101154245.162492-1-apatel@ventanamicro.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" The RISC-V ramsink trace component may have implementation specific restrictions such that the component can only write trace data in particular parts of DRAM. Enable DMA_RESTRICTED_POOL in the defconfig so that dma_alloc_*() and dma_free_*() APIs work for devices with DMA address restrictions. Signed-off-by: Anup Patel --- arch/riscv/configs/defconfig | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/riscv/configs/defconfig b/arch/riscv/configs/defconfig index d2c1ea2a866c..4e870b8f2220 100644 --- a/arch/riscv/configs/defconfig +++ b/arch/riscv/configs/defconfig @@ -305,6 +305,7 @@ CONFIG_SECURITY_APPARMOR=3Dy CONFIG_DEFAULT_SECURITY_DAC=3Dy CONFIG_CRYPTO_USER_API_HASH=3Dy CONFIG_CRYPTO_DEV_VIRTIO=3Dy +CONFIG_DMA_RESTRICTED_POOL=3Dy CONFIG_PRINTK_TIME=3Dy CONFIG_DEBUG_KERNEL=3Dy CONFIG_DEBUG_FS=3Dy --=20 2.43.0