[PATCH v7 11/19] dmaengine: tegra-apb: Remove pending_sg_req checking from tdc_start_head_req
From: Dmitry Osipenko <digetx@gmail.com>
Date: 2020-02-02 22:30:39
Also in:
linux-tegra, lkml
Subsystem:
dma generic offload engine subsystem, tegra dma drivers, the rest · Maintainers:
Vinod Koul, Laxman Dewangan, Jon Hunter, Linus Torvalds
There are only two places in the driver that use tdc_start_head_req() and both these places check whether pending_sg_req list is empty before invoking tdc_start_head_req(). Signed-off-by: Dmitry Osipenko <digetx@gmail.com> --- drivers/dma/tegra20-apb-dma.c | 3 --- 1 file changed, 3 deletions(-)
diff --git a/drivers/dma/tegra20-apb-dma.c b/drivers/dma/tegra20-apb-dma.c
index 22b88ccff05d..62d181bd5e62 100644
--- a/drivers/dma/tegra20-apb-dma.c
+++ b/drivers/dma/tegra20-apb-dma.c@@ -504,9 +504,6 @@ static void tdc_start_head_req(struct tegra_dma_channel *tdc) { struct tegra_dma_sg_req *sg_req; - if (list_empty(&tdc->pending_sg_req)) - return; - sg_req = list_first_entry(&tdc->pending_sg_req, typeof(*sg_req), node); tegra_dma_start(tdc, sg_req); sg_req->configured = true;
--
2.24.0