forked from ~ljy/RK356X_SDK_RELEASE
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2024-05-11 297b60346df8beafee954a0fd7c2d64f33f3b9bc 
 kernel/drivers/net/ethernet/samsung/sxgbe/sxgbe_main.c
....@@ -1,13 +1,10 @@
1
+// SPDX-License-Identifier: GPL-2.0-only
12 /* 10G controller driver for Samsung SoCs
23  *
34  * Copyright (C) 2013 Samsung Electronics Co., Ltd.
45  *		http://www.samsung.com
56  *
67  * Author: Siva Reddy Kallam <siva.kallam@samsung.com>
7
- *
8
- * This program is free software; you can redistribute it and/or modify
9
- * it under the terms of the GNU General Public License version 2 as
10
- * published by the Free Software Foundation.
118  */
129 
1310 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
....@@ -100,7 +97,7 @@
10097 
10198 /**
10299  * sxgbe_eee_ctrl_timer
103
- * @arg : data hook
100
+ * @t: timer list containing a data
104101  * Description:
105102  *  If there is no data transfer and if we are not in LPI state,
106103  *  then MAC Transmitter can be moved to LPI state.
....@@ -258,7 +255,7 @@
258255 
259256 /**
260257  * sxgbe_init_phy - PHY initialization
261
- * @dev: net device structure
258
+ * @ndev: net device structure
262259  * Description: it initializes the driver's PHY state, and attaches the PHY
263260  * to the mac driver.
264261  *  Return value:
....@@ -298,8 +295,8 @@
298295 	/* Stop Advertising 1000BASE Capability if interface is not GMII */
299296 	if ((phy_iface == PHY_INTERFACE_MODE_MII) ||
300297 	    (phy_iface == PHY_INTERFACE_MODE_RMII))
301
-		phydev->advertising &= ~(SUPPORTED_1000baseT_Half |
302
-					 SUPPORTED_1000baseT_Full);
298
+		phy_set_max_speed(phydev, SPEED_1000);
299
+
303300 	if (phydev->phy_id == 0) {
304301 		phy_disconnect(phydev);
305302 		return -ENODEV;
....@@ -367,8 +364,11 @@
367364 /**
368365  * sxgbe_free_rx_buffers - free what sxgbe_init_rx_buffers() allocated
369366  * @dev: net device structure
367
+ * @p: dec pointer
368
+ * @i: index
369
+ * @dma_buf_sz: size
370370  * @rx_ring: ring to be freed
371
- * @rx_rsize: ring size
371
+ *
372372  * Description:  this function initializes the DMA RX descriptor
373373  */
374374 static void sxgbe_free_rx_buffers(struct net_device *dev,
....@@ -386,6 +386,7 @@
386386 /**
387387  * init_tx_ring - init the TX descriptor ring
388388  * @dev: net device structure
389
+ * @queue_no: queue
389390  * @tx_ring: ring to be initialised
390391  * @tx_rsize: ring size
391392  * Description:  this function initializes the DMA TX descriptor
....@@ -400,9 +401,9 @@
400401 	}
401402 
402403 	/* allocate memory for TX descriptors */
403
-	tx_ring->dma_tx = dma_zalloc_coherent(dev,
404
-					      tx_rsize * sizeof(struct sxgbe_tx_norm_desc),
405
-					      &tx_ring->dma_tx_phy, GFP_KERNEL);
404
+	tx_ring->dma_tx = dma_alloc_coherent(dev,
405
+					     tx_rsize * sizeof(struct sxgbe_tx_norm_desc),
406
+					     &tx_ring->dma_tx_phy, GFP_KERNEL);
406407 	if (!tx_ring->dma_tx)
407408 		return -ENOMEM;
408409 
....@@ -452,6 +453,7 @@
452453 /**
453454  * init_rx_ring - init the RX descriptor ring
454455  * @dev: net device structure
456
+ * @queue_no: queue
455457  * @rx_ring: ring to be initialised
456458  * @rx_rsize: ring size
457459  * Description:  this function initializes the DMA RX descriptor
....@@ -479,9 +481,9 @@
479481 	rx_ring->queue_no = queue_no;
480482 
481483 	/* allocate memory for RX descriptors */
482
-	rx_ring->dma_rx = dma_zalloc_coherent(priv->device,
483
-					      rx_rsize * sizeof(struct sxgbe_rx_norm_desc),
484
-					      &rx_ring->dma_rx_phy, GFP_KERNEL);
484
+	rx_ring->dma_rx = dma_alloc_coherent(priv->device,
485
+					     rx_rsize * sizeof(struct sxgbe_rx_norm_desc),
486
+					     &rx_ring->dma_rx_phy, GFP_KERNEL);
485487 
486488 	if (rx_ring->dma_rx == NULL)
487489 		return -ENOMEM;
....@@ -551,7 +553,7 @@
551553 
552554 /**
553555  * init_dma_desc_rings - init the RX/TX descriptor rings
554
- * @dev: net device structure
556
+ * @netd: net device structure
555557  * Description:  this function initializes the DMA RX/TX descriptors
556558  * and allocates the socket buffers. It suppors the chained and ring
557559  * modes.
....@@ -727,7 +729,7 @@
727729 
728730 /**
729731  * sxgbe_tx_queue_clean:
730
- * @priv: driver private structure
732
+ * @tqueue: queue pointer
731733  * Description: it reclaims resources after transmission completes.
732734  */
733735 static void sxgbe_tx_queue_clean(struct sxgbe_tx_queue *tqueue)
....@@ -810,6 +812,7 @@
810812 /**
811813  * sxgbe_restart_tx_queue: irq tx error mng function
812814  * @priv: driver private structure
815
+ * @queue_num: queue number
813816  * Description: it cleans the descriptors and restarts the transmission
814817  * in case of errors.
815818  */
....@@ -1570,12 +1573,13 @@
15701573 /**
15711574  *  sxgbe_tx_timeout
15721575  *  @dev : Pointer to net device structure
1576
+ *  @txqueue: index of the hanging queue
15731577  *  Description: this function is called when a packet transmission fails to
15741578  *   complete within a reasonable time. The driver will mark the error in the
15751579  *   netdev structure and arrange for the device to be reset to a sane state
15761580  *   in order to transmit a new packet.
15771581  */
1578
-static void sxgbe_tx_timeout(struct net_device *dev)
1582
+static void sxgbe_tx_timeout(struct net_device *dev, unsigned int txqueue)
15791583 {
15801584 	struct sxgbe_priv_data *priv = netdev_priv(dev);
15811585 
....@@ -1942,9 +1946,7 @@
19421946 	case SIOCGMIIPHY:
19431947 	case SIOCGMIIREG:
19441948 	case SIOCSMIIREG:
1945
-		if (!dev->phydev)
1946
-			return -EINVAL;
1947
-		ret = phy_mii_ioctl(dev->phydev, rq, cmd);
1949
+		ret = phy_do_ioctl(dev, rq, cmd);
19481950 		break;
19491951 	default:
19501952 		break;
....@@ -2280,18 +2282,18 @@
22802282 	char *opt;
22812283 
22822284 	if (!str || !*str)
2283
-		return -EINVAL;
2285
+		return 1;
22842286 	while ((opt = strsep(&str, ",")) != NULL) {
22852287 		if (!strncmp(opt, "eee_timer:", 10)) {
22862288 			if (kstrtoint(opt + 10, 0, &eee_timer))
22872289 				goto err;
22882290 		}
22892291 	}
2290
-	return 0;
2292
+	return 1;
22912293 
22922294 err:
22932295 	pr_err("%s: ERROR broken module parameter conversion\n", __func__);
2294
-	return -EINVAL;
2296
+	return 1;
22952297 }
22962298 
22972299 __setup("sxgbeeth=", sxgbe_cmdline_opt);
....@@ -2299,7 +2301,7 @@
22992301 
23002302 
23012303 
2302
-MODULE_DESCRIPTION("SAMSUNG 10G/2.5G/1G Ethernet PLATFORM driver");
2304
+MODULE_DESCRIPTION("Samsung 10G/2.5G/1G Ethernet PLATFORM driver");
23032305 
23042306 MODULE_PARM_DESC(debug, "Message Level (-1: default, 0: no output, 16: all)");
23052307 MODULE_PARM_DESC(eee_timer, "EEE-LPI Default LS timer value");