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Dmaengine_terminate_sync

Webdmaengine_terminate_all() is deprecated in favor of explicitly saying if it should be sync or async. Here, we want dmaengine_terminate_sync() because there is no other synchronization code in the driver to handle an async case. Signed-off-by: Wolfram Sang --- Morimoto-san, can you please double check … WebBut it is possible to call dmaengine_terminate_async () from atomic context or from within a complete callback. dmaengine_synchronize () must be called before it is safe to free the memory accessed by the DMA transfer or free resources accessed from within the …

dmaengine.h - include/linux/dmaengine.h - Linux source code

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. - */ 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 … drink my sorrows away https://drumbeatinc.com

DMA between PS and PL doesn

WebReplace 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 WebOct 4, 2024 · > dmaengine_terminate_all() is deprecated in favor of explicitly saying if > it should be sync or async. Here, we want dmaengine_terminate_sync() > because … 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 … drink nightclub chicago

[PATCH v2] tty: serial: fsl_lpuart: fix race on RX DMA shutdown

Category:[RFC] ASoC: sh: rcar: dma: : use proper DMAENGINE API for termination

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Dmaengine_terminate_sync

dmaengine_terminate_all identifier - Linux source code (v4.6)

WebReplace dmaengine_terminate_all() by dmaengine_terminate_sync() to ensure that all pending dma operations are really finished. This is not ensured by … WebMODULE_PARM_DESC (device, "Bus ID of the DMA Engine to test (default: any)" ); static unsigned int threads_per_chan = 1; module_param (threads_per_chan, uint, 0644 ); MODULE_PARM_DESC (threads_per_chan, "Number of threads to start per channel (default: 1)" ); static unsigned int max_channels; module_param (max_channels, uint, …

Dmaengine_terminate_sync

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WebI'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 … WebSep 15, 2024 · dmaengine_synchronize implementation is required to synchronize proper termination of current transfers so that any memory resources are not freed while still in use. Implement this callback in the driver so that framework can use the same (in dmaengine_terminate_sync/ dmaengine_synchronize). Signed-off-by: Swati Agarwal …

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 ? WebThe predisable > routine may call iio_triggered_buffer_predisable() prior to a pending DMA > callback. > Adopt dmaengine_terminate_sync() to ensure there's no pending DMA request > before calling iio_triggered_buffer_predisable(). > > Fixes: 2763ea0585c9 ("iio: adc: stm32: add optional dma support") > > Signed-off-by: Fabrice Gasnier

WebCheck our new training course. Real-Time Linux with PREEMPT_RT. Check our new training course Webdmaengine_terminate_sync identifier - Linux source code (v4.9) - Bootlin Elixir Cross Referencer - Explore source code in your browser - Particularly useful for the Linux …

WebApr 13, 2024 · Allocate only one DMA channel for I2C and share it for both TX and RX instead of using two different DMA hardware channels with the same slave ID.

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 … epfo previous year question paper bookWebJun 23, 2024 · Wolfram Sang June 23, 2024, 9:59 a.m. UTC dmaengine_terminate_all () is deprecated in favor of explicitly saying if it should be sync or async. Here, we want … drink night club near meWebMar 22, 2024 · *PATCH] dmaengine: dmatest: Add option to exercise transfer termination @ 2024-03-22 14:50 Vincent Whitchurch 0 siblings, 0 replies; only message in thread … epfo pension latest news 2021WebJun 23, 2024 · Message ID: [email protected] (mailing list archive)State: New, archived: Headers: show drink names that start with a bWebLKML Archive on lore.kernel.org help / color / mirror / Atom feed * [PATCH v4 00/15] dmaengine: Support polling for out of order completions [not found] <[email protected]> @ 2024-06-22 19:37 ` Ben Walker 2024-06-22 19:37 ` [PATCH v4 01/15] dmaengine: Remove … epfo portal login onlineWebMar 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 … epfo proceeding during moratium ibcWebTo 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: ... epfo photo upload size