Dmaengine_terminate_sync
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 … 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 …
Dmaengine_terminate_sync
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WebJun 23, 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 there … 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 () …
WebJun 5, 2024 · DMAENGINE_SUBMITを持つLinuxモジュールはシステムを掛けます. 私たちは建物のカスタムカメラのためのV4L2ドライバを書く過程にいます。. システムはザイリンクスからUltraScale + 4cgでヨチオ分布を実行します。. 画像データ（1ピクセル深さあたり1バイトの1バイト ... 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 ().
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 … 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 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.
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. britney spears circus hdWebTo 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: ... capital processing systems incWebDec 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. britney spears - circusbritney spears circus halloween costumeWebMODULE_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, … britney spears circus songWebBut 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 … capital processing warrantyWeb* dmaengine_terminate_sync() - Terminate all active DMA transfers * @chan: The channel for which to terminate the transfers * * Calling this function will terminate all … capital processing warranty dealer