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path: root/drivers/net/ethernet/apple/mace.c
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Diffstat (limited to 'drivers/net/ethernet/apple/mace.c')
-rw-r--r--drivers/net/ethernet/apple/mace.c113
1 files changed, 57 insertions, 56 deletions
diff --git a/drivers/net/ethernet/apple/mace.c b/drivers/net/ethernet/apple/mace.c
index 842fe7684904..af26905e44e3 100644
--- a/drivers/net/ethernet/apple/mace.c
+++ b/drivers/net/ethernet/apple/mace.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Network device driver for the MACE ethernet controller on
* Apple Powermacs. Assumes it's under a DBDMA controller.
@@ -18,10 +19,9 @@
#include <linux/spinlock.h>
#include <linux/bitrev.h>
#include <linux/slab.h>
-#include <asm/prom.h>
+#include <linux/pgtable.h>
#include <asm/dbdma.h>
#include <asm/io.h>
-#include <asm/pgtable.h>
#include <asm/macio.h>
#include "mace.h"
@@ -78,7 +78,7 @@ struct mace_data {
static int mace_open(struct net_device *dev);
static int mace_close(struct net_device *dev);
-static int mace_xmit_start(struct sk_buff *skb, struct net_device *dev);
+static netdev_tx_t mace_xmit_start(struct sk_buff *skb, struct net_device *dev);
static void mace_set_multicast(struct net_device *dev);
static void mace_reset(struct net_device *dev);
static int mace_set_address(struct net_device *dev, void *addr);
@@ -86,10 +86,10 @@ static irqreturn_t mace_interrupt(int irq, void *dev_id);
static irqreturn_t mace_txdma_intr(int irq, void *dev_id);
static irqreturn_t mace_rxdma_intr(int irq, void *dev_id);
static void mace_set_timeout(struct net_device *dev);
-static void mace_tx_timeout(unsigned long data);
+static void mace_tx_timeout(struct timer_list *t);
static inline void dbdma_reset(volatile struct dbdma_regs __iomem *dma);
static inline void mace_clean_rings(struct mace_data *mp);
-static void __mace_set_address(struct net_device *dev, void *addr);
+static void __mace_set_address(struct net_device *dev, const void *addr);
/*
* If we can't get a skbuff when we need it, we use this area for DMA.
@@ -102,7 +102,6 @@ static const struct net_device_ops mace_netdev_ops = {
.ndo_start_xmit = mace_xmit_start,
.ndo_set_rx_mode = mace_set_multicast,
.ndo_set_mac_address = mace_set_address,
- .ndo_change_mtu = eth_change_mtu,
.ndo_validate_addr = eth_validate_addr,
};
@@ -112,11 +111,12 @@ static int mace_probe(struct macio_dev *mdev, const struct of_device_id *match)
struct net_device *dev;
struct mace_data *mp;
const unsigned char *addr;
+ u8 macaddr[ETH_ALEN];
int j, rev, rc = -EBUSY;
if (macio_resource_count(mdev) != 3 || macio_irq_count(mdev) != 3) {
- printk(KERN_ERR "can't use MACE %s: need 3 addrs and 3 irqs\n",
- mace->full_name);
+ printk(KERN_ERR "can't use MACE %pOF: need 3 addrs and 3 irqs\n",
+ mace);
return -ENODEV;
}
@@ -124,8 +124,8 @@ static int mace_probe(struct macio_dev *mdev, const struct of_device_id *match)
if (addr == NULL) {
addr = of_get_property(mace, "local-mac-address", NULL);
if (addr == NULL) {
- printk(KERN_ERR "Can't get mac-address for MACE %s\n",
- mace->full_name);
+ printk(KERN_ERR "Can't get mac-address for MACE %pOF\n",
+ mace);
return -ENODEV;
}
}
@@ -167,8 +167,9 @@ static int mace_probe(struct macio_dev *mdev, const struct of_device_id *match)
rev = addr[0] == 0 && addr[1] == 0xA0;
for (j = 0; j < 6; ++j) {
- dev->dev_addr[j] = rev ? bitrev8(addr[j]): addr[j];
+ macaddr[j] = rev ? bitrev8(addr[j]): addr[j];
}
+ eth_hw_addr_set(dev, macaddr);
mp->chipid = (in_8(&mp->mace->chipid_hi) << 8) |
in_8(&mp->mace->chipid_lo);
@@ -197,7 +198,7 @@ static int mace_probe(struct macio_dev *mdev, const struct of_device_id *match)
memset((char *) mp->tx_cmds, 0,
(NCMDS_TX*N_TX_RING + N_RX_RING + 2) * sizeof(struct dbdma_cmd));
- init_timer(&mp->tx_timeout);
+ timer_setup(&mp->tx_timeout, mace_tx_timeout, 0);
spin_lock_init(&mp->lock);
mp->timeout_active = 0;
@@ -271,7 +272,7 @@ static int mace_probe(struct macio_dev *mdev, const struct of_device_id *match)
return rc;
}
-static int mace_remove(struct macio_dev *mdev)
+static void mace_remove(struct macio_dev *mdev)
{
struct net_device *dev = macio_get_drvdata(mdev);
struct mace_data *mp;
@@ -295,8 +296,6 @@ static int mace_remove(struct macio_dev *mdev)
free_netdev(dev);
macio_release_resources(mdev);
-
- return 0;
}
static void dbdma_reset(volatile struct dbdma_regs __iomem *dma)
@@ -310,7 +309,7 @@ static void dbdma_reset(volatile struct dbdma_regs __iomem *dma)
* way on some machines.
*/
for (i = 200; i > 0; --i)
- if (ld_le32(&dma->control) & RUN)
+ if (le32_to_cpu(dma->control) & RUN)
udelay(1);
}
@@ -364,28 +363,32 @@ static void mace_reset(struct net_device *dev)
out_8(&mb->iac, 0);
if (mp->port_aaui)
- out_8(&mb->plscc, PORTSEL_AUI + ENPLSIO);
+ out_8(&mb->plscc, PORTSEL_AUI + ENPLSIO);
else
- out_8(&mb->plscc, PORTSEL_GPSI + ENPLSIO);
+ out_8(&mb->plscc, PORTSEL_GPSI + ENPLSIO);
}
-static void __mace_set_address(struct net_device *dev, void *addr)
+static void __mace_set_address(struct net_device *dev, const void *addr)
{
struct mace_data *mp = netdev_priv(dev);
volatile struct mace __iomem *mb = mp->mace;
- unsigned char *p = addr;
+ const unsigned char *p = addr;
+ u8 macaddr[ETH_ALEN];
int i;
/* load up the hardware address */
if (mp->chipid == BROKEN_ADDRCHG_REV)
- out_8(&mb->iac, PHYADDR);
+ out_8(&mb->iac, PHYADDR);
else {
- out_8(&mb->iac, ADDRCHG | PHYADDR);
+ out_8(&mb->iac, ADDRCHG | PHYADDR);
while ((in_8(&mb->iac) & ADDRCHG) != 0)
;
}
for (i = 0; i < 6; ++i)
- out_8(&mb->padr, dev->dev_addr[i] = p[i]);
+ out_8(&mb->padr, macaddr[i] = p[i]);
+
+ eth_hw_addr_set(dev, macaddr);
+
if (mp->chipid != BROKEN_ADDRCHG_REV)
out_8(&mb->iac, 0);
}
@@ -452,21 +455,21 @@ static int mace_open(struct net_device *dev)
data = skb->data;
}
mp->rx_bufs[i] = skb;
- st_le16(&cp->req_count, RX_BUFLEN);
- st_le16(&cp->command, INPUT_LAST + INTR_ALWAYS);
- st_le32(&cp->phy_addr, virt_to_bus(data));
+ cp->req_count = cpu_to_le16(RX_BUFLEN);
+ cp->command = cpu_to_le16(INPUT_LAST + INTR_ALWAYS);
+ cp->phy_addr = cpu_to_le32(virt_to_bus(data));
cp->xfer_status = 0;
++cp;
}
mp->rx_bufs[i] = NULL;
- st_le16(&cp->command, DBDMA_STOP);
+ cp->command = cpu_to_le16(DBDMA_STOP);
mp->rx_fill = i;
mp->rx_empty = 0;
/* Put a branch back to the beginning of the receive command list */
++cp;
- st_le16(&cp->command, DBDMA_NOP + BR_ALWAYS);
- st_le32(&cp->cmd_dep, virt_to_bus(mp->rx_cmds));
+ cp->command = cpu_to_le16(DBDMA_NOP + BR_ALWAYS);
+ cp->cmd_dep = cpu_to_le32(virt_to_bus(mp->rx_cmds));
/* start rx dma */
out_le32(&rd->control, (RUN|PAUSE|FLUSH|WAKE) << 16); /* clear run bit */
@@ -475,8 +478,8 @@ static int mace_open(struct net_device *dev)
/* put a branch at the end of the tx command list */
cp = mp->tx_cmds + NCMDS_TX * N_TX_RING;
- st_le16(&cp->command, DBDMA_NOP + BR_ALWAYS);
- st_le32(&cp->cmd_dep, virt_to_bus(mp->tx_cmds));
+ cp->command = cpu_to_le16(DBDMA_NOP + BR_ALWAYS);
+ cp->cmd_dep = cpu_to_le32(virt_to_bus(mp->tx_cmds));
/* reset tx dma */
out_le32(&td->control, (RUN|PAUSE|FLUSH|WAKE) << 16);
@@ -507,8 +510,8 @@ static int mace_close(struct net_device *dev)
out_8(&mb->imr, 0xff); /* disable all intrs */
/* disable rx and tx dma */
- st_le32(&rd->control, (RUN|PAUSE|FLUSH|WAKE) << 16); /* clear run bit */
- st_le32(&td->control, (RUN|PAUSE|FLUSH|WAKE) << 16); /* clear run bit */
+ rd->control = cpu_to_le32((RUN|PAUSE|FLUSH|WAKE) << 16); /* clear run bit */
+ td->control = cpu_to_le32((RUN|PAUSE|FLUSH|WAKE) << 16); /* clear run bit */
mace_clean_rings(mp);
@@ -520,15 +523,13 @@ static inline void mace_set_timeout(struct net_device *dev)
struct mace_data *mp = netdev_priv(dev);
if (mp->timeout_active)
- del_timer(&mp->tx_timeout);
+ timer_delete(&mp->tx_timeout);
mp->tx_timeout.expires = jiffies + TX_TIMEOUT;
- mp->tx_timeout.function = mace_tx_timeout;
- mp->tx_timeout.data = (unsigned long) dev;
add_timer(&mp->tx_timeout);
mp->timeout_active = 1;
}
-static int mace_xmit_start(struct sk_buff *skb, struct net_device *dev)
+static netdev_tx_t mace_xmit_start(struct sk_buff *skb, struct net_device *dev)
{
struct mace_data *mp = netdev_priv(dev);
volatile struct dbdma_regs __iomem *td = mp->tx_dma;
@@ -558,8 +559,8 @@ static int mace_xmit_start(struct sk_buff *skb, struct net_device *dev)
}
mp->tx_bufs[fill] = skb;
cp = mp->tx_cmds + NCMDS_TX * fill;
- st_le16(&cp->req_count, len);
- st_le32(&cp->phy_addr, virt_to_bus(skb->data));
+ cp->req_count = cpu_to_le16(len);
+ cp->phy_addr = cpu_to_le32(virt_to_bus(skb->data));
np = mp->tx_cmds + NCMDS_TX * next;
out_le16(&np->command, DBDMA_STOP);
@@ -675,7 +676,7 @@ static irqreturn_t mace_interrupt(int irq, void *dev_id)
i = mp->tx_empty;
while (in_8(&mb->pr) & XMTSV) {
- del_timer(&mp->tx_timeout);
+ timer_delete(&mp->tx_timeout);
mp->timeout_active = 0;
/*
* Clear any interrupt indication associated with this status
@@ -691,7 +692,7 @@ static irqreturn_t mace_interrupt(int irq, void *dev_id)
out_8(&mb->xmtfc, AUTO_PAD_XMIT);
continue;
}
- dstat = ld_le32(&td->status);
+ dstat = le32_to_cpu(td->status);
/* stop DMA controller */
out_le32(&td->control, RUN << 16);
/*
@@ -720,11 +721,11 @@ static irqreturn_t mace_interrupt(int irq, void *dev_id)
mace_reset(dev);
/*
* XXX mace likes to hang the machine after a xmtfs error.
- * This is hard to reproduce, reseting *may* help
+ * This is hard to reproduce, resetting *may* help
*/
}
cp = mp->tx_cmds + NCMDS_TX * i;
- stat = ld_le16(&cp->xfer_status);
+ stat = le16_to_cpu(cp->xfer_status);
if ((fs & (UFLO|LCOL|LCAR|RTRY)) || (dstat & DEAD) || xcount == 0) {
/*
* Check whether there were in fact 2 bytes written to
@@ -767,7 +768,7 @@ static irqreturn_t mace_interrupt(int irq, void *dev_id)
dev->stats.tx_bytes += mp->tx_bufs[i]->len;
++dev->stats.tx_packets;
}
- dev_kfree_skb_irq(mp->tx_bufs[i]);
+ dev_consume_skb_irq(mp->tx_bufs[i]);
--mp->tx_active;
if (++i >= N_TX_RING)
i = 0;
@@ -802,10 +803,10 @@ static irqreturn_t mace_interrupt(int irq, void *dev_id)
return IRQ_HANDLED;
}
-static void mace_tx_timeout(unsigned long data)
+static void mace_tx_timeout(struct timer_list *t)
{
- struct net_device *dev = (struct net_device *) data;
- struct mace_data *mp = netdev_priv(dev);
+ struct mace_data *mp = timer_container_of(mp, t, tx_timeout);
+ struct net_device *dev = macio_get_drvdata(mp->mdev);
volatile struct mace __iomem *mb = mp->mace;
volatile struct dbdma_regs __iomem *td = mp->tx_dma;
volatile struct dbdma_regs __iomem *rd = mp->rx_dma;
@@ -830,7 +831,7 @@ static void mace_tx_timeout(unsigned long data)
mace_reset(dev);
/* restart rx dma */
- cp = bus_to_virt(ld_le32(&rd->cmdptr));
+ cp = bus_to_virt(le32_to_cpu(rd->cmdptr));
dbdma_reset(rd);
out_le16(&cp->xfer_status, 0);
out_le32(&rd->cmdptr, virt_to_bus(cp));
@@ -843,7 +844,7 @@ static void mace_tx_timeout(unsigned long data)
if (mp->tx_bad_runt) {
mp->tx_bad_runt = 0;
} else if (i != mp->tx_fill) {
- dev_kfree_skb(mp->tx_bufs[i]);
+ dev_kfree_skb_irq(mp->tx_bufs[i]);
if (++i >= N_TX_RING)
i = 0;
mp->tx_empty = i;
@@ -889,20 +890,20 @@ static irqreturn_t mace_rxdma_intr(int irq, void *dev_id)
spin_lock_irqsave(&mp->lock, flags);
for (i = mp->rx_empty; i != mp->rx_fill; ) {
cp = mp->rx_cmds + i;
- stat = ld_le16(&cp->xfer_status);
+ stat = le16_to_cpu(cp->xfer_status);
if ((stat & ACTIVE) == 0) {
next = i + 1;
if (next >= N_RX_RING)
next = 0;
np = mp->rx_cmds + next;
if (next != mp->rx_fill &&
- (ld_le16(&np->xfer_status) & ACTIVE) != 0) {
+ (le16_to_cpu(np->xfer_status) & ACTIVE) != 0) {
printk(KERN_DEBUG "mace: lost a status word\n");
++mace_lost_status;
} else
break;
}
- nb = ld_le16(&cp->req_count) - ld_le16(&cp->res_count);
+ nb = le16_to_cpu(cp->req_count) - le16_to_cpu(cp->res_count);
out_le16(&cp->command, DBDMA_STOP);
/* got a packet, have a look at it */
skb = mp->rx_bufs[i];
@@ -962,13 +963,13 @@ static irqreturn_t mace_rxdma_intr(int irq, void *dev_id)
mp->rx_bufs[i] = skb;
}
}
- st_le16(&cp->req_count, RX_BUFLEN);
+ cp->req_count = cpu_to_le16(RX_BUFLEN);
data = skb? skb->data: dummy_buf;
- st_le32(&cp->phy_addr, virt_to_bus(data));
+ cp->phy_addr = cpu_to_le32(virt_to_bus(data));
out_le16(&cp->xfer_status, 0);
out_le16(&cp->command, INPUT_LAST + INTR_ALWAYS);
#if 0
- if ((ld_le32(&rd->status) & ACTIVE) != 0) {
+ if ((le32_to_cpu(rd->status) & ACTIVE) != 0) {
out_le32(&rd->control, (PAUSE << 16) | PAUSE);
while ((in_le32(&rd->status) & ACTIVE) != 0)
;
@@ -984,7 +985,7 @@ static irqreturn_t mace_rxdma_intr(int irq, void *dev_id)
return IRQ_HANDLED;
}
-static struct of_device_id mace_match[] =
+static const struct of_device_id mace_match[] =
{
{
.name = "mace",
generated by cgit (git 2.34.1) at 2025-12-25 07:38:08 +0000