220 static void bcm_iproc_i2c_enable_disable(struct bcm_iproc_i2c_dev *iproc_i2c,
223 static inline u32 iproc_i2c_rd_reg(struct bcm_iproc_i2c_dev *iproc_i2c,  in iproc_i2c_rd_reg()  argument
228 	if (iproc_i2c->idm_base) {  in iproc_i2c_rd_reg()
229 		spin_lock(&iproc_i2c->idm_lock);  in iproc_i2c_rd_reg()
230 		writel(iproc_i2c->ape_addr_mask,  in iproc_i2c_rd_reg()
231 		       iproc_i2c->idm_base + IDM_CTRL_DIRECT_OFFSET);  in iproc_i2c_rd_reg()
232 		val = readl(iproc_i2c->base + offset);  in iproc_i2c_rd_reg()
233 		spin_unlock(&iproc_i2c->idm_lock);  in iproc_i2c_rd_reg()
235 		val = readl(iproc_i2c->base + offset);  in iproc_i2c_rd_reg()
241 static inline void iproc_i2c_wr_reg(struct bcm_iproc_i2c_dev *iproc_i2c,  in iproc_i2c_wr_reg()  argument
244 	if (iproc_i2c->idm_base) {  in iproc_i2c_wr_reg()
245 		spin_lock(&iproc_i2c->idm_lock);  in iproc_i2c_wr_reg()
246 		writel(iproc_i2c->ape_addr_mask,  in iproc_i2c_wr_reg()
247 		       iproc_i2c->idm_base + IDM_CTRL_DIRECT_OFFSET);  in iproc_i2c_wr_reg()
248 		writel(val, iproc_i2c->base + offset);  in iproc_i2c_wr_reg()
249 		spin_unlock(&iproc_i2c->idm_lock);  in iproc_i2c_wr_reg()
251 		writel(val, iproc_i2c->base + offset);  in iproc_i2c_wr_reg()
256 	struct bcm_iproc_i2c_dev *iproc_i2c, bool need_reset)  in bcm_iproc_i2c_slave_init()  argument
262 		val = iproc_i2c_rd_reg(iproc_i2c, CFG_OFFSET);  in bcm_iproc_i2c_slave_init()
264 		iproc_i2c_wr_reg(iproc_i2c, CFG_OFFSET, val);  in bcm_iproc_i2c_slave_init()
271 		iproc_i2c_wr_reg(iproc_i2c, CFG_OFFSET, val);  in bcm_iproc_i2c_slave_init()
276 	iproc_i2c_wr_reg(iproc_i2c, S_FIFO_CTRL_OFFSET, val);  in bcm_iproc_i2c_slave_init()
279 	val = iproc_i2c_rd_reg(iproc_i2c, TIM_CFG_OFFSET);  in bcm_iproc_i2c_slave_init()
282 	iproc_i2c_wr_reg(iproc_i2c, TIM_CFG_OFFSET, val);  in bcm_iproc_i2c_slave_init()
285 	val = iproc_i2c_rd_reg(iproc_i2c, S_CFG_SMBUS_ADDR_OFFSET);  in bcm_iproc_i2c_slave_init()
288 	val |= (iproc_i2c->slave->addr << S_CFG_NIC_SMB_ADDR3_SHIFT);  in bcm_iproc_i2c_slave_init()
289 	iproc_i2c_wr_reg(iproc_i2c, S_CFG_SMBUS_ADDR_OFFSET, val);  in bcm_iproc_i2c_slave_init()
292 	iproc_i2c_wr_reg(iproc_i2c, IS_OFFSET, ISR_MASK_SLAVE);  in bcm_iproc_i2c_slave_init()
298 	iproc_i2c_wr_reg(iproc_i2c, IE_OFFSET, val);  in bcm_iproc_i2c_slave_init()
302 	struct bcm_iproc_i2c_dev *iproc_i2c)  in bcm_iproc_i2c_check_slave_status()  argument
306 	val = iproc_i2c_rd_reg(iproc_i2c, S_CMD_OFFSET);  in bcm_iproc_i2c_check_slave_status()
313 		dev_err(iproc_i2c->device, "slave random stretch time timeout\n");  in bcm_iproc_i2c_check_slave_status()
316 		bcm_iproc_i2c_enable_disable(iproc_i2c, false);  in bcm_iproc_i2c_check_slave_status()
317 		bcm_iproc_i2c_slave_init(iproc_i2c, true);  in bcm_iproc_i2c_check_slave_status()
318 		bcm_iproc_i2c_enable_disable(iproc_i2c, true);  in bcm_iproc_i2c_check_slave_status()
322 static bool bcm_iproc_i2c_slave_isr(struct bcm_iproc_i2c_dev *iproc_i2c,  in bcm_iproc_i2c_slave_isr()  argument
330 		val = iproc_i2c_rd_reg(iproc_i2c, S_RX_OFFSET);  in bcm_iproc_i2c_slave_isr()
334 			i2c_slave_event(iproc_i2c->slave,  in bcm_iproc_i2c_slave_isr()
337 			val = iproc_i2c_rd_reg(iproc_i2c, S_RX_OFFSET);  in bcm_iproc_i2c_slave_isr()
339 			i2c_slave_event(iproc_i2c->slave,  in bcm_iproc_i2c_slave_isr()
343 			i2c_slave_event(iproc_i2c->slave,  in bcm_iproc_i2c_slave_isr()
345 			iproc_i2c_wr_reg(iproc_i2c, S_TX_OFFSET, value);  in bcm_iproc_i2c_slave_isr()
348 			iproc_i2c_wr_reg(iproc_i2c, S_CMD_OFFSET, val);  in bcm_iproc_i2c_slave_isr()
354 			val = iproc_i2c_rd_reg(iproc_i2c, IE_OFFSET);  in bcm_iproc_i2c_slave_isr()
356 			iproc_i2c_wr_reg(iproc_i2c, IE_OFFSET, val);  in bcm_iproc_i2c_slave_isr()
360 			i2c_slave_event(iproc_i2c->slave,  in bcm_iproc_i2c_slave_isr()
365 		i2c_slave_event(iproc_i2c->slave,  in bcm_iproc_i2c_slave_isr()
368 		iproc_i2c_wr_reg(iproc_i2c, S_TX_OFFSET, value);  in bcm_iproc_i2c_slave_isr()
370 		iproc_i2c_wr_reg(iproc_i2c, S_CMD_OFFSET, val);  in bcm_iproc_i2c_slave_isr()
375 		i2c_slave_event(iproc_i2c->slave, I2C_SLAVE_STOP, &value);  in bcm_iproc_i2c_slave_isr()
380 		val = iproc_i2c_rd_reg(iproc_i2c, IE_OFFSET);  in bcm_iproc_i2c_slave_isr()
382 		iproc_i2c_wr_reg(iproc_i2c, IE_OFFSET, val);  in bcm_iproc_i2c_slave_isr()
386 	iproc_i2c_wr_reg(iproc_i2c, IS_OFFSET, status);  in bcm_iproc_i2c_slave_isr()
388 	bcm_iproc_i2c_check_slave_status(iproc_i2c);  in bcm_iproc_i2c_slave_isr()
392 static void bcm_iproc_i2c_read_valid_bytes(struct bcm_iproc_i2c_dev *iproc_i2c)  in bcm_iproc_i2c_read_valid_bytes()  argument
394 	struct i2c_msg *msg = iproc_i2c->msg;  in bcm_iproc_i2c_read_valid_bytes()
398 	while (iproc_i2c->rx_bytes < msg->len) {  in bcm_iproc_i2c_read_valid_bytes()
399 		val = iproc_i2c_rd_reg(iproc_i2c, M_RX_OFFSET);  in bcm_iproc_i2c_read_valid_bytes()
405 		msg->buf[iproc_i2c->rx_bytes] =  in bcm_iproc_i2c_read_valid_bytes()
407 		iproc_i2c->rx_bytes++;  in bcm_iproc_i2c_read_valid_bytes()
411 static void bcm_iproc_i2c_send(struct bcm_iproc_i2c_dev *iproc_i2c)  in bcm_iproc_i2c_send()  argument
413 	struct i2c_msg *msg = iproc_i2c->msg;  in bcm_iproc_i2c_send()
414 	unsigned int tx_bytes = msg->len - iproc_i2c->tx_bytes;  in bcm_iproc_i2c_send()
422 		unsigned int idx = iproc_i2c->tx_bytes + i;  in bcm_iproc_i2c_send()
430 			if (iproc_i2c->irq) {  in bcm_iproc_i2c_send()
437 				tmp = iproc_i2c_rd_reg(iproc_i2c, IE_OFFSET);  in bcm_iproc_i2c_send()
439 				iproc_i2c_wr_reg(iproc_i2c, IE_OFFSET,  in bcm_iproc_i2c_send()
445 		iproc_i2c_wr_reg(iproc_i2c, M_TX_OFFSET, val);  in bcm_iproc_i2c_send()
449 	iproc_i2c->tx_bytes += tx_bytes;  in bcm_iproc_i2c_send()
452 static void bcm_iproc_i2c_read(struct bcm_iproc_i2c_dev *iproc_i2c)  in bcm_iproc_i2c_read()  argument
454 	struct i2c_msg *msg = iproc_i2c->msg;  in bcm_iproc_i2c_read()
457 	bcm_iproc_i2c_read_valid_bytes(iproc_i2c);  in bcm_iproc_i2c_read()
458 	bytes_left = msg->len - iproc_i2c->rx_bytes;  in bcm_iproc_i2c_read()
460 		if (iproc_i2c->irq) {  in bcm_iproc_i2c_read()
462 			val = iproc_i2c_rd_reg(iproc_i2c, IE_OFFSET);  in bcm_iproc_i2c_read()
464 			iproc_i2c_wr_reg(iproc_i2c, IE_OFFSET, val);  in bcm_iproc_i2c_read()
466 	} else if (bytes_left < iproc_i2c->thld_bytes) {  in bcm_iproc_i2c_read()
468 		val = iproc_i2c_rd_reg(iproc_i2c, M_FIFO_CTRL_OFFSET);  in bcm_iproc_i2c_read()
471 		iproc_i2c_wr_reg(iproc_i2c, M_FIFO_CTRL_OFFSET, val);  in bcm_iproc_i2c_read()
472 		iproc_i2c->thld_bytes = bytes_left;  in bcm_iproc_i2c_read()
481 static void bcm_iproc_i2c_process_m_event(struct bcm_iproc_i2c_dev *iproc_i2c,  in bcm_iproc_i2c_process_m_event()  argument
486 		bcm_iproc_i2c_send(iproc_i2c);  in bcm_iproc_i2c_process_m_event()
490 		bcm_iproc_i2c_read(iproc_i2c);  in bcm_iproc_i2c_process_m_event()
494 		iproc_i2c->xfer_is_done = 1;  in bcm_iproc_i2c_process_m_event()
495 		if (iproc_i2c->irq)  in bcm_iproc_i2c_process_m_event()
496 			complete(&iproc_i2c->done);  in bcm_iproc_i2c_process_m_event()
502 	struct bcm_iproc_i2c_dev *iproc_i2c = data;  in bcm_iproc_i2c_isr()  local
503 	u32 status = iproc_i2c_rd_reg(iproc_i2c, IS_OFFSET);  in bcm_iproc_i2c_isr()
508 		ret = bcm_iproc_i2c_slave_isr(iproc_i2c, sl_status);  in bcm_iproc_i2c_isr()
520 	bcm_iproc_i2c_process_m_event(iproc_i2c, status);  in bcm_iproc_i2c_isr()
521 	iproc_i2c_wr_reg(iproc_i2c, IS_OFFSET, status);  in bcm_iproc_i2c_isr()
526 static int bcm_iproc_i2c_init(struct bcm_iproc_i2c_dev *iproc_i2c)  in bcm_iproc_i2c_init()  argument
531 	val = iproc_i2c_rd_reg(iproc_i2c, CFG_OFFSET);  in bcm_iproc_i2c_init()
534 	iproc_i2c_wr_reg(iproc_i2c, CFG_OFFSET, val);  in bcm_iproc_i2c_init()
541 	iproc_i2c_wr_reg(iproc_i2c, CFG_OFFSET, val);  in bcm_iproc_i2c_init()
545 	iproc_i2c_wr_reg(iproc_i2c, M_FIFO_CTRL_OFFSET, val);  in bcm_iproc_i2c_init()
547 	val = iproc_i2c_rd_reg(iproc_i2c, IE_OFFSET);  in bcm_iproc_i2c_init()
550 	iproc_i2c_wr_reg(iproc_i2c, IE_OFFSET, val);  in bcm_iproc_i2c_init()
553 	iproc_i2c_wr_reg(iproc_i2c, IS_OFFSET, 0xffffffff);  in bcm_iproc_i2c_init()
558 static void bcm_iproc_i2c_enable_disable(struct bcm_iproc_i2c_dev *iproc_i2c,  in bcm_iproc_i2c_enable_disable()  argument
563 	val = iproc_i2c_rd_reg(iproc_i2c, CFG_OFFSET);  in bcm_iproc_i2c_enable_disable()
568 	iproc_i2c_wr_reg(iproc_i2c, CFG_OFFSET, val);  in bcm_iproc_i2c_enable_disable()
571 static int bcm_iproc_i2c_check_status(struct bcm_iproc_i2c_dev *iproc_i2c,  in bcm_iproc_i2c_check_status()  argument
576 	val = iproc_i2c_rd_reg(iproc_i2c, M_CMD_OFFSET);  in bcm_iproc_i2c_check_status()
584 		dev_dbg(iproc_i2c->device, "lost bus arbitration\n");  in bcm_iproc_i2c_check_status()
588 		dev_dbg(iproc_i2c->device, "NAK addr:0x%02x\n", msg->addr);  in bcm_iproc_i2c_check_status()
592 		dev_dbg(iproc_i2c->device, "NAK data\n");  in bcm_iproc_i2c_check_status()
596 		dev_dbg(iproc_i2c->device, "bus timeout\n");  in bcm_iproc_i2c_check_status()
600 		dev_dbg(iproc_i2c->device, "FIFO under-run\n");  in bcm_iproc_i2c_check_status()
604 		dev_dbg(iproc_i2c->device, "RX FIFO full\n");  in bcm_iproc_i2c_check_status()
608 		dev_dbg(iproc_i2c->device, "unknown error code=%d\n", val);  in bcm_iproc_i2c_check_status()
611 		bcm_iproc_i2c_enable_disable(iproc_i2c, false);  in bcm_iproc_i2c_check_status()
612 		bcm_iproc_i2c_init(iproc_i2c);  in bcm_iproc_i2c_check_status()
613 		bcm_iproc_i2c_enable_disable(iproc_i2c, true);  in bcm_iproc_i2c_check_status()
619 static int bcm_iproc_i2c_xfer_wait(struct bcm_iproc_i2c_dev *iproc_i2c,  in bcm_iproc_i2c_xfer_wait()  argument
627 	iproc_i2c_wr_reg(iproc_i2c, M_CMD_OFFSET, cmd);  in bcm_iproc_i2c_xfer_wait()
629 	if (iproc_i2c->irq) {  in bcm_iproc_i2c_xfer_wait()
630 		time_left = wait_for_completion_timeout(&iproc_i2c->done,  in bcm_iproc_i2c_xfer_wait()
633 		iproc_i2c_wr_reg(iproc_i2c, IE_OFFSET, 0);  in bcm_iproc_i2c_xfer_wait()
635 		iproc_i2c_rd_reg(iproc_i2c, IE_OFFSET);  in bcm_iproc_i2c_xfer_wait()
637 		synchronize_irq(iproc_i2c->irq);  in bcm_iproc_i2c_xfer_wait()
643 			status = iproc_i2c_rd_reg(iproc_i2c,  in bcm_iproc_i2c_xfer_wait()
645 			bcm_iproc_i2c_process_m_event(iproc_i2c, status);  in bcm_iproc_i2c_xfer_wait()
646 			iproc_i2c_wr_reg(iproc_i2c, IS_OFFSET, status);  in bcm_iproc_i2c_xfer_wait()
655 		} while (!iproc_i2c->xfer_is_done);  in bcm_iproc_i2c_xfer_wait()
658 	if (!time_left && !iproc_i2c->xfer_is_done) {  in bcm_iproc_i2c_xfer_wait()
659 		dev_err(iproc_i2c->device, "transaction timed out\n");  in bcm_iproc_i2c_xfer_wait()
663 		iproc_i2c_wr_reg(iproc_i2c, M_FIFO_CTRL_OFFSET, val);  in bcm_iproc_i2c_xfer_wait()
667 	ret = bcm_iproc_i2c_check_status(iproc_i2c, msg);  in bcm_iproc_i2c_xfer_wait()
671 		iproc_i2c_wr_reg(iproc_i2c, M_FIFO_CTRL_OFFSET, val);  in bcm_iproc_i2c_xfer_wait()
678 static int bcm_iproc_i2c_xfer_single_msg(struct bcm_iproc_i2c_dev *iproc_i2c,  in bcm_iproc_i2c_xfer_single_msg()  argument
687 	if (!!(iproc_i2c_rd_reg(iproc_i2c,  in bcm_iproc_i2c_xfer_single_msg()
689 		dev_warn(iproc_i2c->device, "bus is busy\n");  in bcm_iproc_i2c_xfer_single_msg()
693 	iproc_i2c->msg = msg;  in bcm_iproc_i2c_xfer_single_msg()
697 	iproc_i2c_wr_reg(iproc_i2c, M_TX_OFFSET, addr);  in bcm_iproc_i2c_xfer_single_msg()
713 			iproc_i2c_wr_reg(iproc_i2c, M_TX_OFFSET, val);  in bcm_iproc_i2c_xfer_single_msg()
715 		iproc_i2c->tx_bytes = tx_bytes;  in bcm_iproc_i2c_xfer_single_msg()
719 	if (iproc_i2c->irq)  in bcm_iproc_i2c_xfer_single_msg()
720 		reinit_completion(&iproc_i2c->done);  in bcm_iproc_i2c_xfer_single_msg()
722 	iproc_i2c->xfer_is_done = 0;  in bcm_iproc_i2c_xfer_single_msg()
737 	    msg->len > iproc_i2c->tx_bytes)  in bcm_iproc_i2c_xfer_single_msg()
746 		iproc_i2c->rx_bytes = 0;  in bcm_iproc_i2c_xfer_single_msg()
748 			iproc_i2c->thld_bytes = M_RX_FIFO_THLD_VALUE;  in bcm_iproc_i2c_xfer_single_msg()
750 			iproc_i2c->thld_bytes = msg->len;  in bcm_iproc_i2c_xfer_single_msg()
753 		tmp = iproc_i2c_rd_reg(iproc_i2c, M_FIFO_CTRL_OFFSET);  in bcm_iproc_i2c_xfer_single_msg()
755 		tmp |= iproc_i2c->thld_bytes << M_FIFO_RX_THLD_SHIFT;  in bcm_iproc_i2c_xfer_single_msg()
756 		iproc_i2c_wr_reg(iproc_i2c, M_FIFO_CTRL_OFFSET, tmp);  in bcm_iproc_i2c_xfer_single_msg()
767 	if (iproc_i2c->irq)  in bcm_iproc_i2c_xfer_single_msg()
768 		iproc_i2c_wr_reg(iproc_i2c, IE_OFFSET, val_intr_en);  in bcm_iproc_i2c_xfer_single_msg()
770 	return bcm_iproc_i2c_xfer_wait(iproc_i2c, msg, val);  in bcm_iproc_i2c_xfer_single_msg()
776 	struct bcm_iproc_i2c_dev *iproc_i2c = i2c_get_adapdata(adapter);  in bcm_iproc_i2c_xfer()  local
781 		ret = bcm_iproc_i2c_xfer_single_msg(iproc_i2c, &msgs[i]);  in bcm_iproc_i2c_xfer()
783 			dev_dbg(iproc_i2c->device, "xfer failed\n");  in bcm_iproc_i2c_xfer()
815 static int bcm_iproc_i2c_cfg_speed(struct bcm_iproc_i2c_dev *iproc_i2c)  in bcm_iproc_i2c_cfg_speed()  argument
819 	int ret = of_property_read_u32(iproc_i2c->device->of_node,  in bcm_iproc_i2c_cfg_speed()
822 		dev_info(iproc_i2c->device,  in bcm_iproc_i2c_cfg_speed()
828 		dev_err(iproc_i2c->device, "%d Hz bus speed not supported\n",  in bcm_iproc_i2c_cfg_speed()
830 		dev_err(iproc_i2c->device,  in bcm_iproc_i2c_cfg_speed()
839 	iproc_i2c->bus_speed = bus_speed;  in bcm_iproc_i2c_cfg_speed()
840 	val = iproc_i2c_rd_reg(iproc_i2c, TIM_CFG_OFFSET);  in bcm_iproc_i2c_cfg_speed()
843 	iproc_i2c_wr_reg(iproc_i2c, TIM_CFG_OFFSET, val);  in bcm_iproc_i2c_cfg_speed()
845 	dev_info(iproc_i2c->device, "bus set to %u Hz\n", bus_speed);  in bcm_iproc_i2c_cfg_speed()
853 	struct bcm_iproc_i2c_dev *iproc_i2c;  in bcm_iproc_i2c_probe()  local
857 	iproc_i2c = devm_kzalloc(&pdev->dev, sizeof(*iproc_i2c),  in bcm_iproc_i2c_probe()
859 	if (!iproc_i2c)  in bcm_iproc_i2c_probe()
862 	platform_set_drvdata(pdev, iproc_i2c);  in bcm_iproc_i2c_probe()
863 	iproc_i2c->device = &pdev->dev;  in bcm_iproc_i2c_probe()
864 	iproc_i2c->type =  in bcm_iproc_i2c_probe()
866 	init_completion(&iproc_i2c->done);  in bcm_iproc_i2c_probe()
869 	iproc_i2c->base = devm_ioremap_resource(iproc_i2c->device, res);  in bcm_iproc_i2c_probe()
870 	if (IS_ERR(iproc_i2c->base))  in bcm_iproc_i2c_probe()
871 		return PTR_ERR(iproc_i2c->base);  in bcm_iproc_i2c_probe()
873 	if (iproc_i2c->type == IPROC_I2C_NIC) {  in bcm_iproc_i2c_probe()
875 		iproc_i2c->idm_base = devm_ioremap_resource(iproc_i2c->device,  in bcm_iproc_i2c_probe()
877 		if (IS_ERR(iproc_i2c->idm_base))  in bcm_iproc_i2c_probe()
878 			return PTR_ERR(iproc_i2c->idm_base);  in bcm_iproc_i2c_probe()
880 		ret = of_property_read_u32(iproc_i2c->device->of_node,  in bcm_iproc_i2c_probe()
882 					   &iproc_i2c->ape_addr_mask);  in bcm_iproc_i2c_probe()
884 			dev_err(iproc_i2c->device,  in bcm_iproc_i2c_probe()
889 		spin_lock_init(&iproc_i2c->idm_lock);  in bcm_iproc_i2c_probe()
896 	ret = bcm_iproc_i2c_init(iproc_i2c);  in bcm_iproc_i2c_probe()
900 	ret = bcm_iproc_i2c_cfg_speed(iproc_i2c);  in bcm_iproc_i2c_probe()
906 		ret = devm_request_irq(iproc_i2c->device, irq,  in bcm_iproc_i2c_probe()
908 				       iproc_i2c);  in bcm_iproc_i2c_probe()
910 			dev_err(iproc_i2c->device,  in bcm_iproc_i2c_probe()
915 		iproc_i2c->irq = irq;  in bcm_iproc_i2c_probe()
917 		dev_warn(iproc_i2c->device,  in bcm_iproc_i2c_probe()
921 	bcm_iproc_i2c_enable_disable(iproc_i2c, true);  in bcm_iproc_i2c_probe()
923 	adap = &iproc_i2c->adapter;  in bcm_iproc_i2c_probe()
924 	i2c_set_adapdata(adap, iproc_i2c);  in bcm_iproc_i2c_probe()
927 		of_node_full_name(iproc_i2c->device->of_node));  in bcm_iproc_i2c_probe()
938 	struct bcm_iproc_i2c_dev *iproc_i2c = platform_get_drvdata(pdev);  in bcm_iproc_i2c_remove()  local
940 	if (iproc_i2c->irq) {  in bcm_iproc_i2c_remove()
945 		iproc_i2c_wr_reg(iproc_i2c, IE_OFFSET, 0);  in bcm_iproc_i2c_remove()
946 		iproc_i2c_rd_reg(iproc_i2c, IE_OFFSET);  in bcm_iproc_i2c_remove()
947 		synchronize_irq(iproc_i2c->irq);  in bcm_iproc_i2c_remove()
950 	i2c_del_adapter(&iproc_i2c->adapter);  in bcm_iproc_i2c_remove()
951 	bcm_iproc_i2c_enable_disable(iproc_i2c, false);  in bcm_iproc_i2c_remove()
960 	struct bcm_iproc_i2c_dev *iproc_i2c = dev_get_drvdata(dev);  in bcm_iproc_i2c_suspend()  local
962 	if (iproc_i2c->irq) {  in bcm_iproc_i2c_suspend()
967 		iproc_i2c_wr_reg(iproc_i2c, IE_OFFSET, 0);  in bcm_iproc_i2c_suspend()
968 		iproc_i2c_rd_reg(iproc_i2c, IE_OFFSET);  in bcm_iproc_i2c_suspend()
969 		synchronize_irq(iproc_i2c->irq);  in bcm_iproc_i2c_suspend()
973 	bcm_iproc_i2c_enable_disable(iproc_i2c, false);  in bcm_iproc_i2c_suspend()
980 	struct bcm_iproc_i2c_dev *iproc_i2c = dev_get_drvdata(dev);  in bcm_iproc_i2c_resume()  local
988 	ret = bcm_iproc_i2c_init(iproc_i2c);  in bcm_iproc_i2c_resume()
993 	val = iproc_i2c_rd_reg(iproc_i2c, TIM_CFG_OFFSET);  in bcm_iproc_i2c_resume()
995 	val |= (iproc_i2c->bus_speed == 400000) << TIM_CFG_MODE_400_SHIFT;  in bcm_iproc_i2c_resume()
996 	iproc_i2c_wr_reg(iproc_i2c, TIM_CFG_OFFSET, val);  in bcm_iproc_i2c_resume()
998 	bcm_iproc_i2c_enable_disable(iproc_i2c, true);  in bcm_iproc_i2c_resume()
1016 	struct bcm_iproc_i2c_dev *iproc_i2c = i2c_get_adapdata(slave->adapter);  in bcm_iproc_i2c_reg_slave()  local
1018 	if (iproc_i2c->slave)  in bcm_iproc_i2c_reg_slave()
1024 	iproc_i2c->slave = slave;  in bcm_iproc_i2c_reg_slave()
1025 	bcm_iproc_i2c_slave_init(iproc_i2c, false);  in bcm_iproc_i2c_reg_slave()
1032 	struct bcm_iproc_i2c_dev *iproc_i2c = i2c_get_adapdata(slave->adapter);  in bcm_iproc_i2c_unreg_slave()  local
1034 	if (!iproc_i2c->slave)  in bcm_iproc_i2c_unreg_slave()
1037 	iproc_i2c->slave = NULL;  in bcm_iproc_i2c_unreg_slave()
1040 	tmp = iproc_i2c_rd_reg(iproc_i2c, IE_OFFSET);  in bcm_iproc_i2c_unreg_slave()
1043 	iproc_i2c_wr_reg(iproc_i2c, IE_OFFSET, tmp);  in bcm_iproc_i2c_unreg_slave()
1046 	tmp = iproc_i2c_rd_reg(iproc_i2c, S_CFG_SMBUS_ADDR_OFFSET);  in bcm_iproc_i2c_unreg_slave()
1048 	iproc_i2c_wr_reg(iproc_i2c, S_CFG_SMBUS_ADDR_OFFSET, tmp);  in bcm_iproc_i2c_unreg_slave()