xilinx_dpdma...ll_no_ostand(9)

🎀 NAME 🎀

Hii bestie! This is the xilinx_dpdma...ll_no_ostand(9) page from the Kernel API Manual, and the function is xilinx_dpdma_chan_poll_no_ostand — it polls the outstanding transaction status. 💖

---

✨ SYNOPSIS ✨

int xilinx_dpdma_chan_poll_no_ostand (struct xilinx_dpdma_chan *chan );

---

🫶 ARGUMENTS 🫶

• chan — DPDMA channel. That’s the one and only arg, bestie. 🎀

---

💫 DESCRIPTION 💫

Okay so xilinx_dpdma_chan_poll_no_ostand() polls the outstanding transaction status, and it returns when there’s no outstanding transaction. It can be used in the interrupt context or where atomicity is required. Just be aware: the calling thread may wait more than 50ms. ⏳ No cap, that’s the whole tea.

---

🍓 RETURN 🍓

• 0 on success. ✅
• -ETIMEDOUT when it times out. 😭

---

🦋 SEE ALSO 🦋

Kernel file: ./drivers/dma/xilinx/xilinx_dpdma.c

• struct xilinx_dpdma_hw_desc(9), struct xilinx_dpdma_sw_desc(9), struct xilinx_dpdma_tx_desc(9), struct xilinx_dpdma_chan(9), struct xilinx_dpdma_device(9)
• xilinx_dpdma_sw_desc_set_dma_addrs(9), xilinx_dpdma_chan_alloc_sw_desc(9), xilinx_dpdma_chan_free_sw_desc(9), xilinx_dpdma_chan_dump_tx_desc(9)
• xilinx_dpdma_chan_alloc_tx_desc(9), xilinx_dpdma_chan_free_tx_desc(9), xilinx_dpdma_chan_prep_cyclic(9), xilinx_dpdma_chan_prep_interleaved_dma(9)
• xilinx_dpdma_chan_enable(9), xilinx_dpdma_chan_disable(9), xilinx_dpdma_chan_pause(9), xilinx_dpdma_chan_unpause(9)
• xilinx_dpdma_chan_queue_transfer(9), xilinx_dpdma_chan_ostand(9), xilinx_dpdma_chan_notify_no_ostand(9), xilinx_dpdma_chan_wait_no_ostand(9)
• xilinx_dpdma_chan_stop(9), xilinx_dpdma_chan_done_irq(9), xilinx_dpdma_chan_vsync_irq(9), xilinx_dpdma_chan_err(9)
• xilinx_dpdma_chan_handle_err(9), xilinx_dpdma_alloc_chan_resources(9), xilinx_dpdma_free_chan_resources(9), xilinx_dpdma_terminate_all(9)
• xilinx_dpdma_synchronize(9), xilinx_dpdma_err(9), xilinx_dpdma_handle_err_irq(9), xilinx_dpdma_enable_irq(9)
• xilinx_dpdma_disable_irq(9), xilinx_dpdma_chan_err_task(9)

---

source/version: ./drivers/dma/xilinx · date: October 2026 · page: xilinx_dpdma...ll_no_ostand(9) — byeee bestie, go poll those transactions responsibly! 💅✨