49 	uint32_t status;  in nios2_msgdma_callback()  local
51 	status = IORD_ALTERA_MSGDMA_CSR_STATUS(dev_data->msgdma_dev->csr_base);  in nios2_msgdma_callback()
53 	if (status & ALTERA_MSGDMA_CSR_STOPPED_ON_ERROR_MASK) {  in nios2_msgdma_callback()
55 	} else if (status & ALTERA_MSGDMA_CSR_BUSY_MASK) {  in nios2_msgdma_callback()
61 	LOG_DBG("msgdma csr status Reg: 0x%x", status);  in nios2_msgdma_callback()
71 	int status;  in nios2_msgdma_config()  local
112 		status = alt_msgdma_construct_standard_mm_to_mm_descriptor(  in nios2_msgdma_config()
119 		status = alt_msgdma_construct_standard_mm_to_st_descriptor(  in nios2_msgdma_config()
125 		status = alt_msgdma_construct_standard_st_to_mm_descriptor(  in nios2_msgdma_config()
132 		status = -EINVAL;  in nios2_msgdma_config()
148 	return status;  in nios2_msgdma_config()
155 	int status;  in nios2_msgdma_transfer_start()  local
164 	status = alt_msgdma_standard_descriptor_async_transfer(cfg->msgdma_dev,  in nios2_msgdma_transfer_start()
168 	if (status < 0) {  in nios2_msgdma_transfer_start()
169 		LOG_ERR("DMA transfer error (%d)", status);  in nios2_msgdma_transfer_start()
172 	return status;  in nios2_msgdma_transfer_start()
180 	uint32_t status;  in nios2_msgdma_transfer_stop()  local
187 	status = IORD_ALTERA_MSGDMA_CSR_STATUS(cfg->msgdma_dev->csr_base);  in nios2_msgdma_transfer_stop()
190 	if (status & ALTERA_MSGDMA_CSR_STOP_STATE_MASK) {  in nios2_msgdma_transfer_stop()
195 	LOG_DBG("msgdma csr status Reg: 0x%x", status);  in nios2_msgdma_transfer_stop()
197 	return status;  in nios2_msgdma_transfer_stop()