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Tue, 14 Jul 2026 16:38:57 -0700 (PDT) Received: from ryzen.lan ([2601:644:8000:7a86::e34]) by smtp.gmail.com with ESMTPSA id 5a478bee46e88-3118389d9bcsm72317509eec.20.2026.07.14.16.38.56 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 14 Jul 2026 16:38:57 -0700 (PDT) From: Rosen Penev To: dmaengine@vger.kernel.org Cc: Vinod Koul , Frank Li , linux-kernel@vger.kernel.org (open list) Subject: [PATCH 0/3] dma: fsl_raid: fix sparse warnings and simplify probing Date: Tue, 14 Jul 2026 16:38:52 -0700 Message-ID: <20260714233855.870797-1-rosenp@gmail.com> X-Mailer: git-send-email 2.55.0 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit This series cleans up the fsl_raid driver to address issues reported by sparse and to simplify its MMIO handling. Patch 1 fixes the endianness of in-memory descriptor stores. The descriptor structs are handed to the device as big-endian, but the driver stored CPU-endian values directly, which is both incorrect and flagged by sparse as a base-type mismatch. The stores are wrapped in cpu_to_be32() and the final-frame bit is now passed as an argument rather than read-modify-written. Patch 2 keeps the MMIO bases (re_regs and jrregs) as void __iomem * instead of typed register struct pointers, eliminating "different address spaces" sparse warnings on every register access. Each accessor derives a local __iomem-qualified typed pointer. Patch 3 replaces the open-coded platform_get_resource() + devm_ioremap() sequence with devm_platform_ioremap_resource(). Rosen Penev (3): dma: fsl_raid: fix endianness of in-memory descriptor stores dma: fsl_raid: keep MMIO bases as void __iomem and cast at access dma: fsl_raid: use devm_platform_ioremap_resource drivers/dma/fsl_raid.c | 109 ++++++++++++++++++++--------------------- drivers/dma/fsl_raid.h | 4 +- 2 files changed, 54 insertions(+), 59 deletions(-) -- 2.55.0