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Mon, 27 Jul 2026 13:41:23 -0700 (PDT) From: Allen Pais To: Vinod Koul , Frank Li Cc: Allen Pais , dmaengine@vger.kernel.org, linux-kernel@vger.kernel.org, Arnd Bergmann , Kees Cook , Bartosz Golaszewski , Konrad Dybcio , Kuldeep Singh , Stephan Gerhold , Andy Shevchenko , linux-arm-msm@vger.kernel.org Subject: [PATCH v2 60/64] dmaengine: bam-dma: use dma_chan_kill_bh Date: Mon, 27 Jul 2026 13:39:22 -0700 Message-ID: X-Mailer: git-send-email 2.43.0 In-Reply-To: References: <20260108080332.2341725-1-allen.lkml@gmail.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit virt-dma now dispatches completion callbacks through per-channel BH work instead of its tasklet. Cancel that work during teardown before channel storage is released. Signed-off-by: Allen Pais --- drivers/dma/qcom/bam_dma.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/dma/qcom/bam_dma.c b/drivers/dma/qcom/bam_dma.c index 1bb26af0405f..74bc2fe445b3 100644 --- a/drivers/dma/qcom/bam_dma.c +++ b/drivers/dma/qcom/bam_dma.c @@ -1387,7 +1387,7 @@ static int bam_dma_probe(struct platform_device *pdev) dma_async_device_unregister(&bdev->common); err_bam_channel_exit: for (i = 0; i < bdev->num_channels; i++) - tasklet_kill(&bdev->channels[i].vc.task); + dma_chan_kill_bh(&bdev->channels[i].vc.chan); err_tasklet_kill: tasklet_kill(&bdev->task); err_disable_clk: @@ -1413,7 +1413,7 @@ static void bam_dma_remove(struct platform_device *pdev) for (i = 0; i < bdev->num_channels; i++) { bam_dma_terminate_all(&bdev->channels[i].vc.chan); - tasklet_kill(&bdev->channels[i].vc.task); + dma_chan_kill_bh(&bdev->channels[i].vc.chan); if (!bdev->channels[i].fifo_virt) continue; -- 2.43.0