29 	struct stm32_timers_dma *dma = p;  in stm32_timers_dma_done()  local
33 	status = dmaengine_tx_status(dma->chan, dma->chan->cookie, &state);  in stm32_timers_dma_done()
35 		complete(&dma->completion);  in stm32_timers_dma_done()
58 	struct stm32_timers_dma *dma = &ddata->dma;  in stm32_timers_dma_burst_read()  local
76 	if (!dma->chans[id])  in stm32_timers_dma_burst_read()
78 	mutex_lock(&dma->lock);  in stm32_timers_dma_burst_read()
81 	dma->chan = dma->chans[id];  in stm32_timers_dma_burst_read()
90 	config.src_addr = (dma_addr_t)dma->phys_base + TIM_DMAR;  in stm32_timers_dma_burst_read()
92 	ret = dmaengine_slave_config(dma->chan, &config);  in stm32_timers_dma_burst_read()
96 	desc = dmaengine_prep_slave_single(dma->chan, dma_buf, len,  in stm32_timers_dma_burst_read()
104 	desc->callback_param = dma;  in stm32_timers_dma_burst_read()
110 	reinit_completion(&dma->completion);  in stm32_timers_dma_burst_read()
111 	dma_async_issue_pending(dma->chan);  in stm32_timers_dma_burst_read()
130 	err = wait_for_completion_interruptible_timeout(&dma->completion,  in stm32_timers_dma_burst_read()
142 	dmaengine_terminate_all(dma->chan);  in stm32_timers_dma_burst_read()
146 	dma->chan = NULL;  in stm32_timers_dma_burst_read()
147 	mutex_unlock(&dma->lock);  in stm32_timers_dma_burst_read()
183 	init_completion(&ddata->dma.completion);  in stm32_timers_dma_probe()
184 	mutex_init(&ddata->dma.lock);  in stm32_timers_dma_probe()
189 		ddata->dma.chans[i] = dma_request_chan(dev, name);  in stm32_timers_dma_probe()
191 	ddata->dma.chans[STM32_TIMERS_DMA_UP] = dma_request_chan(dev, "up");  in stm32_timers_dma_probe()
192 	ddata->dma.chans[STM32_TIMERS_DMA_TRIG] = dma_request_chan(dev, "trig");  in stm32_timers_dma_probe()
193 	ddata->dma.chans[STM32_TIMERS_DMA_COM] = dma_request_chan(dev, "com");  in stm32_timers_dma_probe()
196 		if (IS_ERR(ddata->dma.chans[i])) {  in stm32_timers_dma_probe()
198 			if (PTR_ERR(ddata->dma.chans[i]) != -ENODEV && !ret)  in stm32_timers_dma_probe()
199 				ret = PTR_ERR(ddata->dma.chans[i]);  in stm32_timers_dma_probe()
201 			ddata->dma.chans[i] = NULL;  in stm32_timers_dma_probe()
214 		if (ddata->dma.chans[i])  in stm32_timers_dma_remove()
215 			dma_release_channel(ddata->dma.chans[i]);  in stm32_timers_dma_remove()
235 	ddata->dma.phys_base = res->start;  in stm32_timers_probe()