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Commit 0f7ca591 authored by David S. Miller's avatar David S. Miller
Browse files

Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6

parents a2f3be17 d0507009
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+5 −0
Original line number Diff line number Diff line
@@ -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
+1 −0
Original line number Diff line number Diff line
@@ -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
+104 −0
Original line number Diff line number Diff line
/*
 * 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");
+22 −12
Original line number Diff line number Diff line
@@ -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)
@@ -1625,16 +1640,11 @@ 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;
	}

	if (skb->len > 0)
		/* note: a 0-length skb is used as an error indication */
		++ppp->dev->stats.rx_length_errors;

	} else {
		kfree_skb(skb);
		ppp_receive_error(ppp);
	}
}

static void
ppp_receive_error(struct ppp *ppp)
+1 −1
Original line number Diff line number Diff line
@@ -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;