2024 Dmaengine_terminate

Dmaengine_terminate_sync

Author: dyfw

August undefined, 2024

WebCheck our new training course. Real-Time Linux with PREEMPT_RT. Check our new training course WebTo fix this fold del_timer_sync() into lpuart_dma_rx_free() after dmaengine_terminate_sync() to make sure timer will not be re-started in lpuart_copy_rx_to_tty() <= lpuart_dma_rx_complete(). Fixes: 4a8588a1cf86 ("serial: fsl_lpuart: delete timer on shutdown") Cc: ...

Linux-Kernel Archive: [PATCH 1/4] dmaengine: Add transfer …

WebA tag already exists with the provided branch name. Many Git commands accept both tag and branch names, so creating this branch may cause unexpected behavior. Webdmaengine_terminate_sync() will wait for the transfer and any running complete callbacks to finish before it returns. But the function must not be called from atomic context or from … the raffle movie

dmaengine: dmatest: Add option to exercise transfer …

WebSep 23, 2024 · 215 216 If dmaengine_terminate_async() is used to stop the DMA channel this function 217 must be called before it is safe to free memory accessed by previously … WebOct 25, 2024 · - dmaengine_terminate_sync (stm32_port->rx_ch); - goto err; + free_irq (port->irq, port); + return ret; } - - /* Issue pending DMA requests */ - dma_async_issue_pending (stm32_port->rx_ch); } - /* - * DMA request line not re-enabled at resume when port is throttled. - * It will be re-enabled by unthrottle ops. - */ sign post business card holder

[1/7] i2c: at91-master: : use proper DMAENGINE API for …

linux-xlnx/client.rst at master · Xilinx/linux-xlnx · GitHub

Webdmaengine_terminate_async (dma-> rxchan ); } } EXPORT_SYMBOL_GPL (serial8250_rx_dma_flush); int serial8250_request_dma ( struct uart_8250_port *p) { struct uart_8250_dma *dma = p-> dma; phys_addr_t rx_dma_addr = dma-> rx_dma_addr ? dma-> rx_dma_addr : p-> port. mapbase; phys_addr_t tx_dma_addr = dma-> tx_dma_addr ? WebMar 9, 2024 · To fix this fold del_timer_sync () into lpuart_dma_rx_free () after dmaengine_terminate_sync () to make sure timer will not be re-started in lpuart_copy_rx_to_tty () <= lpuart_dma_rx_complete (). signpost hub bedfordshire policeWebMar 22, 2024 · Add a module parameter to allow tests to terminate transfers after a random delay. This can be used to try to provoke races in the handling of ongoing transfers in drivers' implementations of ->device_terminate_all(). signpost contact number

"WebThe DMA engine says the transaction is complete, but nothing was copied to the PL, or copied from the PL. This is a snippet of the code: // Write to FPGA... static ssize_t … " - Dmaengine_terminate_sync

Dmaengine_terminate_sync

[PATCH 6.1 024/181] tty: serial: fsl_lpuart: fix race on RX DMA ...

WebReplace dmaengine_terminate_all() by dmaengine_terminate_sync() to ensure that all pending dma operations are really finished. This is not ensured by … WebMar 22, 2024 · + dmaengine_terminate_sync(chan); + terminated = true; + } + + if (!terminated) + wait_event_freezable_timeout(thread->done_wait, + done->done, + msecs_to_jiffies(params->timeout)); status = dma_async_is_tx_complete(chan, cookie, NULL, NULL); } - if (!done->done) { + if (!terminated && !done->done) {

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WebNov 15, 2014 · 104 If a mapping needs to be synchronized later, dma_sync_*_for_*() must be 105 called using the DMA struct device, too. ... 168 169 1. int dmaengine_terminate_all(struct dma_chan *chan) 170 171 This causes all activity for the DMA channel to be stopped, and may 172 discard data in the DMA FIFO which hasn't … WebDec 12, 2024 · Introduce dmatest to the new dma request API so the testing of the new drivers that utilizies the new functionalities can be performed. The existing DMA setup function has been split to its own function.

WebSep 23, 2024 · But it is 170 possible to call dmaengine_terminate_async () from atomic context or from 171 within a complete callback. dmaengine_synchronize () must be called before it 172 is safe to free the memory accessed by the DMA transfer or free resources 173 accessed from within the complete callback. 174 175 dmaengine_terminate_sync () … Web*PATCH v6 1/2] i2c: tegra: Fix PEC support for SMBUS block read 2024-04-14 4:07 [PATCH v6 0/2] Tegra I2C DMA and SMBus blockread updates Akhil R @ 2024-04-14 4:07 ` Akhil R 2024-04-14 4:07 ` [PATCH v6 2/2] i2c: tegra: Share same DMA channel for RX and TX Akhil R 1 sibling, 0 replies; 3+ messages in thread From: Akhil R @ 2024-04-14 4:07 …

WebJun 23, 2024 · Message ID: [email protected] (mailing list archive)State: New, archived: Headers: show WebDec 14, 2024 · Bidirectional DMA engines, which can be configured to handle either render or capture streams. When allocating a DMA engine for a render stream, the …

Webdmaengine_terminate_sync() will wait for the transfer and any running complete callbacks to finish before it returns. But the function must not be called from atomic context or from within a complete callback. …

Web* dmaengine_terminate_sync() - Terminate all active DMA transfers * @chan: The channel for which to terminate the transfers * * Calling this function will terminate all … signpost definition englishWebMar 28, 2024 · This function should be used after dmaengine_terminate_async () to synchronize the termination of the DMA channel to the current context. The function will wait for the transfer and any running complete callbacks to finish before it returns. therafim wizard spellsWebdmaengine_terminate_sync identifier - Linux source code (v4.9) - Bootlin Elixir Cross Referencer - Explore source code in your browser - Particularly useful for the Linux … theraffon.netWebReplace dmaengine_terminate_all() by dmaengine_terminate_sync() to ensure that all pending dma operations are really finished. This is not ensured by dmaengine_terminate_all() and this API is deprecated, so better to use the _sync() variant. Signed-off-by: Hugues Fruchet therafimWebIt is similar to* dmaengine_terminate_async() but guarantees that the DMA transfer has actually* stopped and that all complete callbacks have finished running when the* … therafin ankle huggersWeb+ dmaengine_terminate_sync() will wait for the transfer and any running + complete callbacks to finish before it returns. But the function must not be + called from atomic … signpost crm softwareWebI've tracked this down to when the DRM is enabling/disabling the non-preferred mode that xlnx_pl_disp.c call dmaengine_terminate_sync which results in … signpost definition in reading