378 	out_be32(&pw->pw_regs->pwsr, IPWSR_CLEAR);  in msg_unit_error_handler()
393 	struct fsl_rio_pw *pw = (struct fsl_rio_pw *)dev_instance;  in fsl_rio_port_write_handler()  local
400 	ipwmr = in_be32(&pw->pw_regs->pwmr);  in fsl_rio_port_write_handler()
401 	ipwsr = in_be32(&pw->pw_regs->pwsr);  in fsl_rio_port_write_handler()
422 		if (kfifo_avail(&pw->pw_fifo) >= RIO_PW_MSG_SIZE) {  in fsl_rio_port_write_handler()
423 			pw->port_write_msg.msg_count++;  in fsl_rio_port_write_handler()
424 			kfifo_in(&pw->pw_fifo, pw->port_write_msg.virt,  in fsl_rio_port_write_handler()
427 			pw->port_write_msg.discard_count++;  in fsl_rio_port_write_handler()
429 				 pw->port_write_msg.discard_count);  in fsl_rio_port_write_handler()
434 		out_be32(&pw->pw_regs->pwsr,	RIO_IPWSR_QFI);  in fsl_rio_port_write_handler()
435 		out_be32(&pw->pw_regs->pwmr, ipwmr | RIO_IPWMR_CQ);  in fsl_rio_port_write_handler()
437 		schedule_work(&pw->pw_work);  in fsl_rio_port_write_handler()
441 		pw->port_write_msg.err_count++;  in fsl_rio_port_write_handler()
443 			 pw->port_write_msg.err_count);  in fsl_rio_port_write_handler()
447 		out_be32(&pw->pw_regs->pwmr, ipwmr & ~RIO_IPWMR_PWE);  in fsl_rio_port_write_handler()
448 		out_be32(&pw->pw_regs->pwsr,	RIO_IPWSR_TE);  in fsl_rio_port_write_handler()
449 		out_be32(&pw->pw_regs->pwmr, ipwmr);  in fsl_rio_port_write_handler()
453 		pw->port_write_msg.discard_count++;  in fsl_rio_port_write_handler()
455 			 pw->port_write_msg.discard_count);  in fsl_rio_port_write_handler()
456 		out_be32(&pw->pw_regs->pwsr, RIO_IPWSR_PWD);  in fsl_rio_port_write_handler()
483 	struct fsl_rio_pw *pw = container_of(work, struct fsl_rio_pw, pw_work);  in fsl_pw_dpc()  local
489 	while (kfifo_out_spinlocked(&pw->pw_fifo, (unsigned char *)msg_buffer,  in fsl_pw_dpc()
490 			 RIO_PW_MSG_SIZE, &pw->pw_fifo_lock)) {  in fsl_pw_dpc()
520 	rval = in_be32(&pw->pw_regs->pwmr);  in fsl_rio_pw_enable()
527 	out_be32(&pw->pw_regs->pwmr, rval);  in fsl_rio_pw_enable()
541 int fsl_rio_port_write_init(struct fsl_rio_pw *pw)  in fsl_rio_port_write_init()  argument
546 	out_be32(&pw->pw_regs->pwmr,  in fsl_rio_port_write_init()
547 		 in_be32(&pw->pw_regs->pwmr) & ~RIO_IPWMR_PWE);  in fsl_rio_port_write_init()
550 	pw->port_write_msg.virt = dma_alloc_coherent(pw->dev,  in fsl_rio_port_write_init()
552 					&pw->port_write_msg.phys, GFP_KERNEL);  in fsl_rio_port_write_init()
553 	if (!pw->port_write_msg.virt) {  in fsl_rio_port_write_init()
558 	pw->port_write_msg.err_count = 0;  in fsl_rio_port_write_init()
559 	pw->port_write_msg.discard_count = 0;  in fsl_rio_port_write_init()
562 	out_be32(&pw->pw_regs->epwqbar, 0);  in fsl_rio_port_write_init()
563 	out_be32(&pw->pw_regs->pwqbar, (u32) pw->port_write_msg.phys);  in fsl_rio_port_write_init()
566 		 in_be32(&pw->pw_regs->epwqbar),  in fsl_rio_port_write_init()
567 		 in_be32(&pw->pw_regs->pwqbar));  in fsl_rio_port_write_init()
570 	out_be32(&pw->pw_regs->pwsr,  in fsl_rio_port_write_init()
575 	out_be32(&pw->pw_regs->pwmr,  in fsl_rio_port_write_init()
580 	rc = request_irq(IRQ_RIO_PW(pw), fsl_rio_port_write_handler,  in fsl_rio_port_write_init()
581 			IRQF_SHARED, "port-write", (void *)pw);  in fsl_rio_port_write_init()
589 	INIT_WORK(&pw->pw_work, fsl_pw_dpc);  in fsl_rio_port_write_init()
590 	spin_lock_init(&pw->pw_fifo_lock);  in fsl_rio_port_write_init()
591 	if (kfifo_alloc(&pw->pw_fifo, RIO_PW_MSG_SIZE * 32, GFP_KERNEL)) {  in fsl_rio_port_write_init()
598 		 in_be32(&pw->pw_regs->pwmr),  in fsl_rio_port_write_init()
599 		 in_be32(&pw->pw_regs->pwsr));  in fsl_rio_port_write_init()
604 	free_irq(IRQ_RIO_PW(pw), (void *)pw);  in fsl_rio_port_write_init()
606 	dma_free_coherent(pw->dev, RIO_PW_MSG_SIZE,  in fsl_rio_port_write_init()
607 		pw->port_write_msg.virt,  in fsl_rio_port_write_init()
608 		pw->port_write_msg.phys);  in fsl_rio_port_write_init()