forked from ~ljy/RK356X_SDK_RELEASE
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hc
2023-12-11 072de836f53be56a70cecf70b43ae43b7ce17376 
 kernel/drivers/net/ethernet/sis/sis900.c
....@@ -191,6 +191,8 @@
191191 	unsigned int tx_full; /* The Tx queue is full. */
192192 	u8 host_bridge_rev;
193193 	u8 chipset_rev;
194
+	/* EEPROM data */
195
+	int eeprom_size;
194196 };
195197 
196198 MODULE_AUTHOR("Jim Huang <cmhuang@sis.com.tw>, Ollie Lho <ollie@sis.com.tw>");
....@@ -220,7 +222,7 @@
220222 static void mdio_write(struct net_device *net_dev, int phy_id, int location, int val);
221223 static void sis900_timer(struct timer_list *t);
222224 static void sis900_check_mode (struct net_device *net_dev, struct mii_phy *mii_phy);
223
-static void sis900_tx_timeout(struct net_device *net_dev);
225
+static void sis900_tx_timeout(struct net_device *net_dev, unsigned int txqueue);
224226 static void sis900_init_tx_ring(struct net_device *net_dev);
225227 static void sis900_init_rx_ring(struct net_device *net_dev);
226228 static netdev_tx_t sis900_start_xmit(struct sk_buff *skb,
....@@ -262,7 +264,7 @@
262264 	/* check to see if we have sane EEPROM */
263265 	signature = (u16) read_eeprom(ioaddr, EEPROMSignature);
264266 	if (signature == 0xffff || signature == 0x0000) {
265
-		printk (KERN_WARNING "%s: Error EERPOM read %x\n",
267
+		printk (KERN_WARNING "%s: Error EEPROM read %x\n",
266268 			pci_name(pci_dev), signature);
267269 		return 0;
268270 	}
....@@ -359,9 +361,9 @@
359361  *
360362  *	SiS962 or SiS963 model, use EEPROM to store MAC address. And EEPROM
361363  *	is shared by
362
- *	LAN and 1394. When access EEPROM, send EEREQ signal to hardware first
363
- *	and wait for EEGNT. If EEGNT is ON, EEPROM is permitted to be access
364
- *	by LAN, otherwise is not. After MAC address is read from EEPROM, send
364
+ *	LAN and 1394. When accessing EEPROM, send EEREQ signal to hardware first
365
+ *	and wait for EEGNT. If EEGNT is ON, EEPROM is permitted to be accessed
366
+ *	by LAN, otherwise it is not. After MAC address is read from EEPROM, send
365367  *	EEDONE signal to refuse EEPROM access by LAN.
366368  *	The EEPROM map of SiS962 or SiS963 is different to SiS900.
367369  *	The signature field in SiS962 or SiS963 spec is meaningless.
....@@ -444,7 +446,7 @@
444446 	ret = pcim_enable_device(pci_dev);
445447 	if(ret) return ret;
446448 
447
-	i = pci_set_dma_mask(pci_dev, DMA_BIT_MASK(32));
449
+	i = dma_set_mask(&pci_dev->dev, DMA_BIT_MASK(32));
448450 	if(i){
449451 		printk(KERN_ERR "sis900.c: architecture does not support "
450452 			"32bit PCI busmaster DMA\n");
....@@ -475,9 +477,12 @@
475477 	sis_priv->pci_dev = pci_dev;
476478 	spin_lock_init(&sis_priv->lock);
477479 
480
+	sis_priv->eeprom_size = 24;
481
+
478482 	pci_set_drvdata(pci_dev, net_dev);
479483 
480
-	ring_space = pci_alloc_consistent(pci_dev, TX_TOTAL_SIZE, &ring_dma);
484
+	ring_space = dma_alloc_coherent(&pci_dev->dev, TX_TOTAL_SIZE,
485
+					&ring_dma, GFP_KERNEL);
481486 	if (!ring_space) {
482487 		ret = -ENOMEM;
483488 		goto err_out_unmap;
....@@ -485,7 +490,8 @@
485490 	sis_priv->tx_ring = ring_space;
486491 	sis_priv->tx_ring_dma = ring_dma;
487492 
488
-	ring_space = pci_alloc_consistent(pci_dev, RX_TOTAL_SIZE, &ring_dma);
493
+	ring_space = dma_alloc_coherent(&pci_dev->dev, RX_TOTAL_SIZE,
494
+					&ring_dma, GFP_KERNEL);
489495 	if (!ring_space) {
490496 		ret = -ENOMEM;
491497 		goto err_unmap_tx;
....@@ -568,11 +574,11 @@
568574 	return 0;
569575 
570576 err_unmap_rx:
571
-	pci_free_consistent(pci_dev, RX_TOTAL_SIZE, sis_priv->rx_ring,
572
-		sis_priv->rx_ring_dma);
577
+	dma_free_coherent(&pci_dev->dev, RX_TOTAL_SIZE, sis_priv->rx_ring,
578
+			  sis_priv->rx_ring_dma);
573579 err_unmap_tx:
574
-	pci_free_consistent(pci_dev, TX_TOTAL_SIZE, sis_priv->tx_ring,
575
-		sis_priv->tx_ring_dma);
580
+	dma_free_coherent(&pci_dev->dev, TX_TOTAL_SIZE, sis_priv->tx_ring,
581
+			  sis_priv->tx_ring_dma);
576582 err_out_unmap:
577583 	pci_iounmap(pci_dev, ioaddr);
578584  err_out:
....@@ -728,10 +734,10 @@
728734 		status = mdio_read(net_dev, phy->phy_addr, MII_STATUS);
729735 
730736 		/* Link ON & Not select default PHY & not ghost PHY */
731
-		 if ((status & MII_STAT_LINK) && !default_phy &&
732
-					(phy->phy_types != UNKNOWN))
733
-		 	default_phy = phy;
734
-		 else {
737
+		if ((status & MII_STAT_LINK) && !default_phy &&
738
+		    (phy->phy_types != UNKNOWN)) {
739
+			default_phy = phy;
740
+		} else {
735741 			status = mdio_read(net_dev, phy->phy_addr, MII_CONTROL);
736742 			mdio_write(net_dev, phy->phy_addr, MII_CONTROL,
737743 				status | MII_CNTL_AUTO | MII_CNTL_ISOLATE);
....@@ -739,7 +745,7 @@
739745 				phy_home = phy;
740746 			else if(phy->phy_types == LAN)
741747 				phy_lan = phy;
742
-		 }
748
+		}
743749 	}
744750 
745751 	if (!default_phy && phy_home)
....@@ -879,7 +885,7 @@
879885  *	mdio_read - read MII PHY register
880886  *	@net_dev: the net device to read
881887  *	@phy_id: the phy address to read
882
- *	@location: the phy regiester id to read
888
+ *	@location: the phy register id to read
883889  *
884890  *	Read MII registers through MDIO and MDC
885891  *	using MDIO management frame structure and protocol(defined by ISO/IEC).
....@@ -923,7 +929,7 @@
923929  *	mdio_write - write MII PHY register
924930  *	@net_dev: the net device to write
925931  *	@phy_id: the phy address to write
926
- *	@location: the phy regiester id to write
932
+ *	@location: the phy register id to write
927933  *	@value: the register value to write with
928934  *
929935  *	Write MII registers with @value through MDIO and MDC
....@@ -1054,7 +1060,7 @@
10541060 	sis900_set_mode(sis_priv, HW_SPEED_10_MBPS, FDX_CAPABLE_HALF_SELECTED);
10551061 
10561062 	/* Enable all known interrupts by setting the interrupt mask. */
1057
-	sw32(imr, RxSOVR | RxORN | RxERR | RxOK | TxURN | TxERR | TxIDLE | TxDESC);
1063
+	sw32(imr, RxSOVR | RxORN | RxERR | RxOK | TxURN | TxERR | TxDESC);
10581064 	sw32(cr, RxENA | sr32(cr));
10591065 	sw32(ier, IE);
10601066 
....@@ -1098,7 +1104,7 @@
10981104 		sw32(rfdr, w);
10991105 
11001106 		if (netif_msg_hw(sis_priv)) {
1101
-			printk(KERN_DEBUG "%s: Receive Filter Addrss[%d]=%x\n",
1107
+			printk(KERN_DEBUG "%s: Receive Filter Address[%d]=%x\n",
11021108 			       net_dev->name, i, sr32(rfdr));
11031109 		}
11041110 	}
....@@ -1145,7 +1151,7 @@
11451151  *	@net_dev: the net device to initialize for
11461152  *
11471153  *	Initialize the Rx descriptor ring,
1148
- *	and pre-allocate recevie buffers (socket buffer)
1154
+ *	and pre-allocate receive buffers (socket buffer)
11491155  */
11501156 
11511157 static void
....@@ -1181,10 +1187,12 @@
11811187 		}
11821188 		sis_priv->rx_skbuff[i] = skb;
11831189 		sis_priv->rx_ring[i].cmdsts = RX_BUF_SIZE;
1184
-		sis_priv->rx_ring[i].bufptr = pci_map_single(sis_priv->pci_dev,
1185
-				skb->data, RX_BUF_SIZE, PCI_DMA_FROMDEVICE);
1186
-		if (unlikely(pci_dma_mapping_error(sis_priv->pci_dev,
1187
-				sis_priv->rx_ring[i].bufptr))) {
1190
+		sis_priv->rx_ring[i].bufptr = dma_map_single(&sis_priv->pci_dev->dev,
1191
+							     skb->data,
1192
+							     RX_BUF_SIZE,
1193
+							     DMA_FROM_DEVICE);
1194
+		if (unlikely(dma_mapping_error(&sis_priv->pci_dev->dev,
1195
+					       sis_priv->rx_ring[i].bufptr))) {
11881196 			dev_kfree_skb(skb);
11891197 			sis_priv->rx_skbuff[i] = NULL;
11901198 			break;
....@@ -1291,7 +1299,7 @@
12911299 
12921300 /**
12931301  *	sis900_timer - sis900 timer routine
1294
- *	@data: pointer to sis900 net device
1302
+ *	@t: timer list containing a pointer to sis900 net device
12951303  *
12961304  *	On each timer ticks we check two things,
12971305  *	link status (ON/OFF) and link mode (10/100/Full/Half)
....@@ -1525,12 +1533,13 @@
15251533 /**
15261534  *	sis900_tx_timeout - sis900 transmit timeout routine
15271535  *	@net_dev: the net device to transmit
1536
+ *	@txqueue: index of hanging queue
15281537  *
15291538  *	print transmit timeout status
15301539  *	disable interrupts and do some tasks
15311540  */
15321541 
1533
-static void sis900_tx_timeout(struct net_device *net_dev)
1542
+static void sis900_tx_timeout(struct net_device *net_dev, unsigned int txqueue)
15341543 {
15351544 	struct sis900_private *sis_priv = netdev_priv(net_dev);
15361545 	void __iomem *ioaddr = sis_priv->ioaddr;
....@@ -1554,9 +1563,9 @@
15541563 		struct sk_buff *skb = sis_priv->tx_skbuff[i];
15551564 
15561565 		if (skb) {
1557
-			pci_unmap_single(sis_priv->pci_dev,
1558
-				sis_priv->tx_ring[i].bufptr, skb->len,
1559
-				PCI_DMA_TODEVICE);
1566
+			dma_unmap_single(&sis_priv->pci_dev->dev,
1567
+					 sis_priv->tx_ring[i].bufptr,
1568
+					 skb->len, DMA_TO_DEVICE);
15601569 			dev_kfree_skb_irq(skb);
15611570 			sis_priv->tx_skbuff[i] = NULL;
15621571 			sis_priv->tx_ring[i].cmdsts = 0;
....@@ -1575,7 +1584,7 @@
15751584 	sw32(txdp, sis_priv->tx_ring_dma);
15761585 
15771586 	/* Enable all known interrupts by setting the interrupt mask. */
1578
-	sw32(imr, RxSOVR | RxORN | RxERR | RxOK | TxURN | TxERR | TxIDLE | TxDESC);
1587
+	sw32(imr, RxSOVR | RxORN | RxERR | RxOK | TxURN | TxERR | TxDESC);
15791588 }
15801589 
15811590 /**
....@@ -1605,10 +1614,11 @@
16051614 	sis_priv->tx_skbuff[entry] = skb;
16061615 
16071616 	/* set the transmit buffer descriptor and enable Transmit State Machine */
1608
-	sis_priv->tx_ring[entry].bufptr = pci_map_single(sis_priv->pci_dev,
1609
-		skb->data, skb->len, PCI_DMA_TODEVICE);
1610
-	if (unlikely(pci_dma_mapping_error(sis_priv->pci_dev,
1611
-		sis_priv->tx_ring[entry].bufptr))) {
1617
+	sis_priv->tx_ring[entry].bufptr = dma_map_single(&sis_priv->pci_dev->dev,
1618
+							 skb->data, skb->len,
1619
+							 DMA_TO_DEVICE);
1620
+	if (unlikely(dma_mapping_error(&sis_priv->pci_dev->dev,
1621
+				       sis_priv->tx_ring[entry].bufptr))) {
16121622 			dev_kfree_skb_any(skb);
16131623 			sis_priv->tx_skbuff[entry] = NULL;
16141624 			net_dev->stats.tx_dropped++;
....@@ -1671,8 +1681,8 @@
16711681 	do {
16721682 		status = sr32(isr);
16731683 
1674
-		if ((status & (HIBERR|TxURN|TxERR|TxIDLE|TxDESC|RxORN|RxERR|RxOK)) == 0)
1675
-			/* nothing intresting happened */
1684
+		if ((status & (HIBERR|TxURN|TxERR|TxDESC|RxORN|RxERR|RxOK)) == 0)
1685
+			/* nothing interesting happened */
16761686 			break;
16771687 		handled = 1;
16781688 
....@@ -1681,7 +1691,7 @@
16811691 			/* Rx interrupt */
16821692 			sis900_rx(net_dev);
16831693 
1684
-		if (status & (TxURN | TxERR | TxIDLE | TxDESC))
1694
+		if (status & (TxURN | TxERR | TxDESC))
16851695 			/* Tx interrupt */
16861696 			sis900_finish_xmit(net_dev);
16871697 
....@@ -1771,9 +1781,9 @@
17711781 			struct sk_buff * skb;
17721782 			struct sk_buff * rx_skb;
17731783 
1774
-			pci_unmap_single(sis_priv->pci_dev,
1775
-				sis_priv->rx_ring[entry].bufptr, RX_BUF_SIZE,
1776
-				PCI_DMA_FROMDEVICE);
1784
+			dma_unmap_single(&sis_priv->pci_dev->dev,
1785
+					 sis_priv->rx_ring[entry].bufptr,
1786
+					 RX_BUF_SIZE, DMA_FROM_DEVICE);
17771787 
17781788 			/* refill the Rx buffer, what if there is not enough
17791789 			 * memory for new socket buffer ?? */
....@@ -1819,10 +1829,11 @@
18191829 			sis_priv->rx_skbuff[entry] = skb;
18201830 			sis_priv->rx_ring[entry].cmdsts = RX_BUF_SIZE;
18211831 			sis_priv->rx_ring[entry].bufptr =
1822
-				pci_map_single(sis_priv->pci_dev, skb->data,
1823
-					RX_BUF_SIZE, PCI_DMA_FROMDEVICE);
1824
-			if (unlikely(pci_dma_mapping_error(sis_priv->pci_dev,
1825
-				sis_priv->rx_ring[entry].bufptr))) {
1832
+				dma_map_single(&sis_priv->pci_dev->dev,
1833
+					       skb->data, RX_BUF_SIZE,
1834
+					       DMA_FROM_DEVICE);
1835
+			if (unlikely(dma_mapping_error(&sis_priv->pci_dev->dev,
1836
+						       sis_priv->rx_ring[entry].bufptr))) {
18261837 				dev_kfree_skb_irq(skb);
18271838 				sis_priv->rx_skbuff[entry] = NULL;
18281839 				break;
....@@ -1853,10 +1864,11 @@
18531864 			sis_priv->rx_skbuff[entry] = skb;
18541865 			sis_priv->rx_ring[entry].cmdsts = RX_BUF_SIZE;
18551866 			sis_priv->rx_ring[entry].bufptr =
1856
-				pci_map_single(sis_priv->pci_dev, skb->data,
1857
-					RX_BUF_SIZE, PCI_DMA_FROMDEVICE);
1858
-			if (unlikely(pci_dma_mapping_error(sis_priv->pci_dev,
1859
-					sis_priv->rx_ring[entry].bufptr))) {
1867
+				dma_map_single(&sis_priv->pci_dev->dev,
1868
+					       skb->data, RX_BUF_SIZE,
1869
+					       DMA_FROM_DEVICE);
1870
+			if (unlikely(dma_mapping_error(&sis_priv->pci_dev->dev,
1871
+						       sis_priv->rx_ring[entry].bufptr))) {
18601872 				dev_kfree_skb_irq(skb);
18611873 				sis_priv->rx_skbuff[entry] = NULL;
18621874 				break;
....@@ -1894,7 +1906,7 @@
18941906 		if (tx_status & OWN) {
18951907 			/* The packet is not transmitted yet (owned by hardware) !
18961908 			 * Note: this is an almost impossible condition
1897
-			 * in case of TxDESC ('descriptor interrupt') */
1909
+			 * on TxDESC interrupt ('descriptor interrupt') */
18981910 			break;
18991911 		}
19001912 
....@@ -1921,10 +1933,10 @@
19211933 		}
19221934 		/* Free the original skb. */
19231935 		skb = sis_priv->tx_skbuff[entry];
1924
-		pci_unmap_single(sis_priv->pci_dev,
1925
-			sis_priv->tx_ring[entry].bufptr, skb->len,
1926
-			PCI_DMA_TODEVICE);
1927
-		dev_kfree_skb_irq(skb);
1936
+		dma_unmap_single(&sis_priv->pci_dev->dev,
1937
+				 sis_priv->tx_ring[entry].bufptr, skb->len,
1938
+				 DMA_TO_DEVICE);
1939
+		dev_consume_skb_irq(skb);
19281940 		sis_priv->tx_skbuff[entry] = NULL;
19291941 		sis_priv->tx_ring[entry].bufptr = 0;
19301942 		sis_priv->tx_ring[entry].cmdsts = 0;
....@@ -1972,8 +1984,9 @@
19721984 	for (i = 0; i < NUM_RX_DESC; i++) {
19731985 		skb = sis_priv->rx_skbuff[i];
19741986 		if (skb) {
1975
-			pci_unmap_single(pdev, sis_priv->rx_ring[i].bufptr,
1976
-					 RX_BUF_SIZE, PCI_DMA_FROMDEVICE);
1987
+			dma_unmap_single(&pdev->dev,
1988
+					 sis_priv->rx_ring[i].bufptr,
1989
+					 RX_BUF_SIZE, DMA_FROM_DEVICE);
19771990 			dev_kfree_skb(skb);
19781991 			sis_priv->rx_skbuff[i] = NULL;
19791992 		}
....@@ -1981,8 +1994,9 @@
19811994 	for (i = 0; i < NUM_TX_DESC; i++) {
19821995 		skb = sis_priv->tx_skbuff[i];
19831996 		if (skb) {
1984
-			pci_unmap_single(pdev, sis_priv->tx_ring[i].bufptr,
1985
-					 skb->len, PCI_DMA_TODEVICE);
1997
+			dma_unmap_single(&pdev->dev,
1998
+					 sis_priv->tx_ring[i].bufptr,
1999
+					 skb->len, DMA_TO_DEVICE);
19862000 			dev_kfree_skb(skb);
19872001 			sis_priv->tx_skbuff[i] = NULL;
19882002 		}
....@@ -2119,6 +2133,68 @@
21192133 	wol->supported = (WAKE_PHY | WAKE_MAGIC);
21202134 }
21212135 
2136
+static int sis900_get_eeprom_len(struct net_device *dev)
2137
+{
2138
+	struct sis900_private *sis_priv = netdev_priv(dev);
2139
+
2140
+	return sis_priv->eeprom_size;
2141
+}
2142
+
2143
+static int sis900_read_eeprom(struct net_device *net_dev, u8 *buf)
2144
+{
2145
+	struct sis900_private *sis_priv = netdev_priv(net_dev);
2146
+	void __iomem *ioaddr = sis_priv->ioaddr;
2147
+	int wait, ret = -EAGAIN;
2148
+	u16 signature;
2149
+	u16 *ebuf = (u16 *)buf;
2150
+	int i;
2151
+
2152
+	if (sis_priv->chipset_rev == SIS96x_900_REV) {
2153
+		sw32(mear, EEREQ);
2154
+		for (wait = 0; wait < 2000; wait++) {
2155
+			if (sr32(mear) & EEGNT) {
2156
+				/* read 16 bits, and index by 16 bits */
2157
+				for (i = 0; i < sis_priv->eeprom_size / 2; i++)
2158
+					ebuf[i] = (u16)read_eeprom(ioaddr, i);
2159
+				ret = 0;
2160
+				break;
2161
+			}
2162
+			udelay(1);
2163
+		}
2164
+		sw32(mear, EEDONE);
2165
+	} else {
2166
+		signature = (u16)read_eeprom(ioaddr, EEPROMSignature);
2167
+		if (signature != 0xffff && signature != 0x0000) {
2168
+			/* read 16 bits, and index by 16 bits */
2169
+			for (i = 0; i < sis_priv->eeprom_size / 2; i++)
2170
+				ebuf[i] = (u16)read_eeprom(ioaddr, i);
2171
+			ret = 0;
2172
+		}
2173
+	}
2174
+	return ret;
2175
+}
2176
+
2177
+#define SIS900_EEPROM_MAGIC	0xBABE
2178
+static int sis900_get_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom, u8 *data)
2179
+{
2180
+	struct sis900_private *sis_priv = netdev_priv(dev);
2181
+	u8 *eebuf;
2182
+	int res;
2183
+
2184
+	eebuf = kmalloc(sis_priv->eeprom_size, GFP_KERNEL);
2185
+	if (!eebuf)
2186
+		return -ENOMEM;
2187
+
2188
+	eeprom->magic = SIS900_EEPROM_MAGIC;
2189
+	spin_lock_irq(&sis_priv->lock);
2190
+	res = sis900_read_eeprom(dev, eebuf);
2191
+	spin_unlock_irq(&sis_priv->lock);
2192
+	if (!res)
2193
+		memcpy(data, eebuf + eeprom->offset, eeprom->len);
2194
+	kfree(eebuf);
2195
+	return res;
2196
+}
2197
+
21222198 static const struct ethtool_ops sis900_ethtool_ops = {
21232199 	.get_drvinfo 	= sis900_get_drvinfo,
21242200 	.get_msglevel	= sis900_get_msglevel,
....@@ -2129,6 +2205,8 @@
21292205 	.set_wol	= sis900_set_wol,
21302206 	.get_link_ksettings = sis900_get_link_ksettings,
21312207 	.set_link_ksettings = sis900_set_link_ksettings,
2208
+	.get_eeprom_len = sis900_get_eeprom_len,
2209
+	.get_eeprom = sis900_get_eeprom,
21322210 };
21332211 
21342212 /**
....@@ -2148,7 +2226,7 @@
21482226 	switch(cmd) {
21492227 	case SIOCGMIIPHY:		/* Get address of MII PHY in use. */
21502228 		data->phy_id = sis_priv->mii->phy_addr;
2151
-		/* Fall Through */
2229
+		fallthrough;
21522230 
21532231 	case SIOCGMIIREG:		/* Read MII PHY register. */
21542232 		data->val_out = mdio_read(net_dev, data->phy_id & 0x1f, data->reg_num & 0x1f);
....@@ -2413,19 +2491,17 @@
24132491 		kfree(phy);
24142492 	}
24152493 
2416
-	pci_free_consistent(pci_dev, RX_TOTAL_SIZE, sis_priv->rx_ring,
2417
-		sis_priv->rx_ring_dma);
2418
-	pci_free_consistent(pci_dev, TX_TOTAL_SIZE, sis_priv->tx_ring,
2419
-		sis_priv->tx_ring_dma);
2494
+	dma_free_coherent(&pci_dev->dev, RX_TOTAL_SIZE, sis_priv->rx_ring,
2495
+			  sis_priv->rx_ring_dma);
2496
+	dma_free_coherent(&pci_dev->dev, TX_TOTAL_SIZE, sis_priv->tx_ring,
2497
+			  sis_priv->tx_ring_dma);
24202498 	pci_iounmap(pci_dev, sis_priv->ioaddr);
24212499 	free_netdev(net_dev);
24222500 }
24232501 
2424
-#ifdef CONFIG_PM
2425
-
2426
-static int sis900_suspend(struct pci_dev *pci_dev, pm_message_t state)
2502
+static int __maybe_unused sis900_suspend(struct device *dev)
24272503 {
2428
-	struct net_device *net_dev = pci_get_drvdata(pci_dev);
2504
+	struct net_device *net_dev = dev_get_drvdata(dev);
24292505 	struct sis900_private *sis_priv = netdev_priv(net_dev);
24302506 	void __iomem *ioaddr = sis_priv->ioaddr;
24312507 
....@@ -2438,22 +2514,17 @@
24382514 	/* Stop the chip's Tx and Rx Status Machine */
24392515 	sw32(cr, RxDIS | TxDIS | sr32(cr));
24402516 
2441
-	pci_set_power_state(pci_dev, PCI_D3hot);
2442
-	pci_save_state(pci_dev);
2443
-
24442517 	return 0;
24452518 }
24462519 
2447
-static int sis900_resume(struct pci_dev *pci_dev)
2520
+static int __maybe_unused sis900_resume(struct device *dev)
24482521 {
2449
-	struct net_device *net_dev = pci_get_drvdata(pci_dev);
2522
+	struct net_device *net_dev = dev_get_drvdata(dev);
24502523 	struct sis900_private *sis_priv = netdev_priv(net_dev);
24512524 	void __iomem *ioaddr = sis_priv->ioaddr;
24522525 
24532526 	if(!netif_running(net_dev))
24542527 		return 0;
2455
-	pci_restore_state(pci_dev);
2456
-	pci_set_power_state(pci_dev, PCI_D0);
24572528 
24582529 	sis900_init_rxfilter(net_dev);
24592530 
....@@ -2469,7 +2540,7 @@
24692540 	sis900_set_mode(sis_priv, HW_SPEED_10_MBPS, FDX_CAPABLE_HALF_SELECTED);
24702541 
24712542 	/* Enable all known interrupts by setting the interrupt mask. */
2472
-	sw32(imr, RxSOVR | RxORN | RxERR | RxOK | TxURN | TxERR | TxIDLE | TxDESC);
2543
+	sw32(imr, RxSOVR | RxORN | RxERR | RxOK | TxURN | TxERR | TxDESC);
24732544 	sw32(cr, RxENA | sr32(cr));
24742545 	sw32(ier, IE);
24752546 
....@@ -2477,17 +2548,15 @@
24772548 
24782549 	return 0;
24792550 }
2480
-#endif /* CONFIG_PM */
2551
+
2552
+static SIMPLE_DEV_PM_OPS(sis900_pm_ops, sis900_suspend, sis900_resume);
24812553 
24822554 static struct pci_driver sis900_pci_driver = {
24832555 	.name		= SIS900_MODULE_NAME,
24842556 	.id_table	= sis900_pci_tbl,
24852557 	.probe		= sis900_probe,
24862558 	.remove		= sis900_remove,
2487
-#ifdef CONFIG_PM
2488
-	.suspend	= sis900_suspend,
2489
-	.resume		= sis900_resume,
2490
-#endif /* CONFIG_PM */
2559
+	.driver.pm	= &sis900_pm_ops,
24912560 };
24922561 
24932562 static int __init sis900_init_module(void)