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Thu, 11 Jun 2026 14:07:39 -0700 (PDT) Received: from ryzen ([2601:644:8000:5b5d:6d3a:64fc:4ee8:9cc3]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-2c411d79289sm389995ad.14.2026.06.11.14.07.38 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 11 Jun 2026 14:07:38 -0700 (PDT) From: Rosen Penev To: dmaengine@vger.kernel.org Cc: Vinod Koul , Frank Li , Thomas Petazzoni , Gregory CLEMENT , Marcin Wojtas , Rob Herring , linux-kernel@vger.kernel.org (open list) Subject: [PATCHv2 0/9] dma: mv_xor: convert to devm resource management Date: Thu, 11 Jun 2026 14:07:12 -0700 Message-ID: <20260611210721.81979-1-rosenp@gmail.com> X-Mailer: git-send-email 2.54.0 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Convert the mv_xor driver to use managed device resources (devm) to simplify error handling and removal paths. Patch 5 replaces the open-coded clock acquire/enable/disable/put with devm_clk_get_optional_enabled, eliminating manual clock cleanup in the probe error path. Patch 6 adds the missing platform remove callback so that channels, DMA devices, and IRQs are properly cleaned up on driver unbind. Patch 7 converts DMA pool allocation and IRQ requests to their devm counterparts, allowing removal of the err_free_irq and err_free_dma error labels. v2: add more sashiko fixes. Rosen Penev (9): dmaengine: mv_xor: initialize chan state before requesting IRQ dmaengine: mv_xor: fix use-after-free in probe error path dmaengine: mv_xor: bound maximum channels for Armada 37xx dmaengine: mv_xor: abort channel before freeing resources on timeout dmaengine: mv_xor: use devm_clk_get_optional_enabled dmaengine: mv_xor: switch to of_irq_get() dmaengine: mv_xor: use devm for dma pool and irq dmaengine: mv_xor: allocate dummy buffers with dmam_alloc_coherent dmaengine: mv_xor: add missing platform remove function drivers/dma/mv_xor.c | 161 +++++++++++++++++++++---------------------- drivers/dma/mv_xor.h | 4 +- 2 files changed, 81 insertions(+), 84 deletions(-) -- 2.54.0