]> bbs.cooldavid.org Git - net-next-2.6.git/commitdiff
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
authorDavid S. Miller <davem@davemloft.net>
Mon, 3 May 2010 22:45:52 +0000 (15:45 -0700)
committerDavid S. Miller <davem@davemloft.net>
Mon, 3 May 2010 22:45:52 +0000 (15:45 -0700)
drivers/net/phy/Kconfig
drivers/net/phy/Makefile
drivers/net/phy/micrel.c [new file with mode: 0644]
drivers/net/ppp_generic.c
drivers/net/usb/dm9601.c

index fc5938ba3d7874f591cc16a05aa6aa084bccd6aa..a527e37728cd9fe4566445b78bd2c1cf47bc0a88 100644 (file)
@@ -88,6 +88,11 @@ config LSI_ET1011C_PHY
        ---help---
          Supports the LSI ET1011C PHY.
 
+config MICREL_PHY
+       tristate "Driver for Micrel PHYs"
+       ---help---
+         Supports the KSZ9021, VSC8201, KS8001 PHYs.
+
 config FIXED_PHY
        bool "Driver for MDIO Bus/PHY emulation with fixed speed/link PHYs"
        depends on PHYLIB=y
index 1342585af3812de222ccd99f8d7090e127c916df..13bebab65d027c9a9c3c3c6aef2a823d1033859a 100644 (file)
@@ -20,4 +20,5 @@ obj-$(CONFIG_MDIO_BITBANG)    += mdio-bitbang.o
 obj-$(CONFIG_MDIO_GPIO)                += mdio-gpio.o
 obj-$(CONFIG_NATIONAL_PHY)     += national.o
 obj-$(CONFIG_STE10XP)          += ste10Xp.o
+obj-$(CONFIG_MICREL_PHY)       += micrel.o
 obj-$(CONFIG_MDIO_OCTEON)      += mdio-octeon.o
diff --git a/drivers/net/phy/micrel.c b/drivers/net/phy/micrel.c
new file mode 100644 (file)
index 0000000..0cd80e4
--- /dev/null
@@ -0,0 +1,104 @@
+/*
+ * drivers/net/phy/micrel.c
+ *
+ * Driver for Micrel PHYs
+ *
+ * Author: David J. Choi
+ *
+ * Copyright (c) 2010 Micrel, Inc.
+ *
+ * This program is free software; you can redistribute  it and/or modify it
+ * under  the terms of  the GNU General  Public License as published by the
+ * Free Software Foundation;  either version 2 of the  License, or (at your
+ * option) any later version.
+ *
+ * Support : ksz9021 , vsc8201, ks8001
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/phy.h>
+
+#define        PHY_ID_KSZ9021                  0x00221611
+#define        PHY_ID_VSC8201                  0x000FC413
+#define        PHY_ID_KS8001                   0x0022161A
+
+
+static int kszphy_config_init(struct phy_device *phydev)
+{
+       return 0;
+}
+
+
+static struct phy_driver ks8001_driver = {
+       .phy_id         = PHY_ID_KS8001,
+       .phy_id_mask    = 0x00fffff0,
+       .features       = PHY_BASIC_FEATURES,
+       .flags          = PHY_POLL,
+       .config_init    = kszphy_config_init,
+       .config_aneg    = genphy_config_aneg,
+       .read_status    = genphy_read_status,
+       .driver         = { .owner = THIS_MODULE,},
+};
+
+static struct phy_driver vsc8201_driver = {
+       .phy_id         = PHY_ID_VSC8201,
+       .name           = "Micrel VSC8201",
+       .phy_id_mask    = 0x00fffff0,
+       .features       = PHY_BASIC_FEATURES,
+       .flags          = PHY_POLL,
+       .config_init    = kszphy_config_init,
+       .config_aneg    = genphy_config_aneg,
+       .read_status    = genphy_read_status,
+       .driver         = { .owner = THIS_MODULE,},
+};
+
+static struct phy_driver ksz9021_driver = {
+       .phy_id         = PHY_ID_KSZ9021,
+       .phy_id_mask    = 0x000fff10,
+       .name           = "Micrel KSZ9021 Gigabit PHY",
+       .features       = PHY_GBIT_FEATURES | SUPPORTED_Pause,
+       .flags          = PHY_POLL,
+       .config_init    = kszphy_config_init,
+       .config_aneg    = genphy_config_aneg,
+       .read_status    = genphy_read_status,
+       .driver         = { .owner = THIS_MODULE, },
+};
+
+static int __init ksphy_init(void)
+{
+       int ret;
+
+       ret = phy_driver_register(&ks8001_driver);
+       if (ret)
+               goto err1;
+       ret = phy_driver_register(&vsc8201_driver);
+       if (ret)
+               goto err2;
+
+       ret = phy_driver_register(&ksz9021_driver);
+       if (ret)
+               goto err3;
+       return 0;
+
+err3:
+       phy_driver_unregister(&vsc8201_driver);
+err2:
+       phy_driver_unregister(&ks8001_driver);
+err1:
+       return ret;
+}
+
+static void __exit ksphy_exit(void)
+{
+       phy_driver_unregister(&ks8001_driver);
+       phy_driver_unregister(&vsc8201_driver);
+       phy_driver_unregister(&ksz9021_driver);
+}
+
+module_init(ksphy_init);
+module_exit(ksphy_exit);
+
+MODULE_DESCRIPTION("Micrel PHY driver");
+MODULE_AUTHOR("David J. Choi");
+MODULE_LICENSE("GPL");
index 35f195329fdd0645966e7c64151aef757a0e55f1..5441688daba70c6ad61f825fd911966041907c29 100644 (file)
@@ -405,6 +405,7 @@ static ssize_t ppp_read(struct file *file, char __user *buf,
        DECLARE_WAITQUEUE(wait, current);
        ssize_t ret;
        struct sk_buff *skb = NULL;
+       struct iovec iov;
 
        ret = count;
 
@@ -448,7 +449,9 @@ static ssize_t ppp_read(struct file *file, char __user *buf,
        if (skb->len > count)
                goto outf;
        ret = -EFAULT;
-       if (copy_to_user(buf, skb->data, skb->len))
+       iov.iov_base = buf;
+       iov.iov_len = count;
+       if (skb_copy_datagram_iovec(skb, 0, &iov, skb->len))
                goto outf;
        ret = skb->len;
 
@@ -1567,13 +1570,22 @@ ppp_input(struct ppp_channel *chan, struct sk_buff *skb)
        struct channel *pch = chan->ppp;
        int proto;
 
-       if (!pch || skb->len == 0) {
+       if (!pch) {
                kfree_skb(skb);
                return;
        }
 
-       proto = PPP_PROTO(skb);
        read_lock_bh(&pch->upl);
+       if (!pskb_may_pull(skb, 2)) {
+               kfree_skb(skb);
+               if (pch->ppp) {
+                       ++pch->ppp->dev->stats.rx_length_errors;
+                       ppp_receive_error(pch->ppp);
+               }
+               goto done;
+       }
+
+       proto = PPP_PROTO(skb);
        if (!pch->ppp || proto >= 0xc000 || proto == PPP_CCPFRAG) {
                /* put it on the channel queue */
                skb_queue_tail(&pch->file.rq, skb);
@@ -1585,6 +1597,8 @@ ppp_input(struct ppp_channel *chan, struct sk_buff *skb)
        } else {
                ppp_do_recv(pch->ppp, skb, pch);
        }
+
+done:
        read_unlock_bh(&pch->upl);
 }
 
@@ -1617,7 +1631,8 @@ ppp_input_error(struct ppp_channel *chan, int code)
 static void
 ppp_receive_frame(struct ppp *ppp, struct sk_buff *skb, struct channel *pch)
 {
-       if (pskb_may_pull(skb, 2)) {
+       /* note: a 0-length skb is used as an error indication */
+       if (skb->len > 0) {
 #ifdef CONFIG_PPP_MULTILINK
                /* XXX do channel-level decompression here */
                if (PPP_PROTO(skb) == PPP_MP)
@@ -1625,15 +1640,10 @@ ppp_receive_frame(struct ppp *ppp, struct sk_buff *skb, struct channel *pch)
                else
 #endif /* CONFIG_PPP_MULTILINK */
                        ppp_receive_nonmp_frame(ppp, skb);
-               return;
+       } else {
+               kfree_skb(skb);
+               ppp_receive_error(ppp);
        }
-
-       if (skb->len > 0)
-               /* note: a 0-length skb is used as an error indication */
-               ++ppp->dev->stats.rx_length_errors;
-
-       kfree_skb(skb);
-       ppp_receive_error(ppp);
 }
 
 static void
index 291add255246ae90d74e4dc7bf6288da7a1ea8d4..47634b617107751223938d401d3dfcc355991ecd 100644 (file)
@@ -240,7 +240,7 @@ static int dm_write_shared_word(struct usbnet *dev, int phy, u8 reg, __le16 valu
                goto out;
 
        dm_write_reg(dev, DM_SHARED_ADDR, phy ? (reg | 0x40) : reg);
-       dm_write_reg(dev, DM_SHARED_CTRL, phy ? 0x1c : 0x14);
+       dm_write_reg(dev, DM_SHARED_CTRL, phy ? 0x1a : 0x12);
 
        for (i = 0; i < DM_TIMEOUT; i++) {
                u8 tmp;