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path: root/drivers/atm/zatm.c
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Diffstat (limited to 'drivers/atm/zatm.c')
-rw-r--r--drivers/atm/zatm.c79
1 files changed, 37 insertions, 42 deletions
diff --git a/drivers/atm/zatm.c b/drivers/atm/zatm.c
index f484747f255..969c3c29000 100644
--- a/drivers/atm/zatm.c
+++ b/drivers/atm/zatm.c
@@ -3,9 +3,7 @@
/* Written 1995-2000 by Werner Almesberger, EPFL LRC/ICA */
-#include <linux/config.h>
#include <linux/module.h>
-#include <linux/sched.h>
#include <linux/kernel.h>
#include <linux/mm.h>
#include <linux/pci.h>
@@ -18,16 +16,17 @@
#include <linux/delay.h>
#include <linux/uio.h>
#include <linux/init.h>
+#include <linux/interrupt.h>
#include <linux/dma-mapping.h>
#include <linux/atm_zatm.h>
#include <linux/capability.h>
#include <linux/bitops.h>
#include <linux/wait.h>
+#include <linux/slab.h>
#include <asm/byteorder.h>
-#include <asm/system.h>
#include <asm/string.h>
#include <asm/io.h>
-#include <asm/atomic.h>
+#include <linux/atomic.h>
#include <asm/uaccess.h>
#include "uPD98401.h"
@@ -498,8 +497,8 @@ static int open_rx_first(struct atm_vcc *vcc)
vcc->qos.rxtp.max_sdu = 65464;
/* fix this - we may want to receive 64kB SDUs
later */
- cells = (vcc->qos.rxtp.max_sdu+ATM_AAL5_TRAILER+
- ATM_CELL_PAYLOAD-1)/ATM_CELL_PAYLOAD;
+ cells = DIV_ROUND_UP(vcc->qos.rxtp.max_sdu + ATM_AAL5_TRAILER,
+ ATM_CELL_PAYLOAD);
zatm_vcc->pool = pool_index(cells*ATM_CELL_PAYLOAD);
}
else {
@@ -604,9 +603,8 @@ static int start_rx(struct atm_dev *dev)
DPRINTK("start_rx\n");
zatm_dev = ZATM_DEV(dev);
size = sizeof(struct atm_vcc *)*zatm_dev->chans;
- zatm_dev->rx_map = (struct atm_vcc **) kmalloc(size,GFP_KERNEL);
+ zatm_dev->rx_map = kzalloc(size,GFP_KERNEL);
if (!zatm_dev->rx_map) return -ENOMEM;
- memset(zatm_dev->rx_map,0,size);
/* set VPI/VCI split (use all VCIs and give what's left to VPIs) */
zpokel(zatm_dev,(1 << dev->ci_range.vci_bits)-1,uPD98401_VRR);
/* prepare free buffer pools */
@@ -802,6 +800,7 @@ static int alloc_shaper(struct atm_dev *dev,int *pcr,int min,int max,int ubr)
i = m = 1;
zatm_dev->ubr_ref_cnt++;
zatm_dev->ubr = shaper;
+ *pcr = 0;
}
else {
if (min) {
@@ -822,7 +821,7 @@ static int alloc_shaper(struct atm_dev *dev,int *pcr,int min,int max,int ubr)
}
else {
i = 255;
- m = (ATM_OC3_PCR*255+max-1)/max;
+ m = DIV_ROUND_UP(ATM_OC3_PCR*255, max);
}
}
if (i > m) {
@@ -917,7 +916,7 @@ static int open_tx_first(struct atm_vcc *vcc)
unsigned long flags;
u32 *loop;
unsigned short chan;
- int pcr,unlimited;
+ int unlimited;
DPRINTK("open_tx_first\n");
zatm_dev = ZATM_DEV(vcc->dev);
@@ -938,6 +937,8 @@ static int open_tx_first(struct atm_vcc *vcc)
vcc->qos.txtp.max_pcr >= ATM_OC3_PCR);
if (unlimited && zatm_dev->ubr != -1) zatm_vcc->shaper = zatm_dev->ubr;
else {
+ int uninitialized_var(pcr);
+
if (unlimited) vcc->qos.txtp.max_sdu = ATM_MAX_AAL5_PDU;
if ((zatm_vcc->shaper = alloc_shaper(vcc->dev,&pcr,
vcc->qos.txtp.min_pcr,vcc->qos.txtp.max_pcr,unlimited))
@@ -952,9 +953,8 @@ static int open_tx_first(struct atm_vcc *vcc)
skb_queue_head_init(&zatm_vcc->tx_queue);
init_waitqueue_head(&zatm_vcc->tx_wait);
/* initialize ring */
- zatm_vcc->ring = kmalloc(RING_SIZE,GFP_KERNEL);
+ zatm_vcc->ring = kzalloc(RING_SIZE,GFP_KERNEL);
if (!zatm_vcc->ring) return -ENOMEM;
- memset(zatm_vcc->ring,0,RING_SIZE);
loop = zatm_vcc->ring+RING_ENTRIES*RING_WORDS;
loop[0] = uPD98401_TXPD_V;
loop[1] = loop[2] = 0;
@@ -998,7 +998,7 @@ static int start_tx(struct atm_dev *dev)
DPRINTK("start_tx\n");
zatm_dev = ZATM_DEV(dev);
- zatm_dev->tx_map = (struct atm_vcc **) kmalloc(sizeof(struct atm_vcc *)*
+ zatm_dev->tx_map = kmalloc(sizeof(struct atm_vcc *)*
zatm_dev->chans,GFP_KERNEL);
if (!zatm_dev->tx_map) return -ENOMEM;
zatm_dev->tx_bw = ATM_OC3_PCR;
@@ -1014,7 +1014,7 @@ static int start_tx(struct atm_dev *dev)
/*------------------------------- interrupts --------------------------------*/
-static irqreturn_t zatm_int(int irq,void *dev_id,struct pt_regs *regs)
+static irqreturn_t zatm_int(int irq,void *dev_id)
{
struct atm_dev *dev;
struct zatm_dev *zatm_dev;
@@ -1094,8 +1094,8 @@ static irqreturn_t zatm_int(int irq,void *dev_id,struct pt_regs *regs)
/*----------------------------- (E)EPROM access -----------------------------*/
-static void __devinit eprom_set(struct zatm_dev *zatm_dev,unsigned long value,
- unsigned short cmd)
+static void eprom_set(struct zatm_dev *zatm_dev, unsigned long value,
+ unsigned short cmd)
{
int error;
@@ -1105,8 +1105,7 @@ static void __devinit eprom_set(struct zatm_dev *zatm_dev,unsigned long value,
}
-static unsigned long __devinit eprom_get(struct zatm_dev *zatm_dev,
- unsigned short cmd)
+static unsigned long eprom_get(struct zatm_dev *zatm_dev, unsigned short cmd)
{
unsigned int value;
int error;
@@ -1118,8 +1117,8 @@ static unsigned long __devinit eprom_get(struct zatm_dev *zatm_dev,
}
-static void __devinit eprom_put_bits(struct zatm_dev *zatm_dev,
- unsigned long data,int bits,unsigned short cmd)
+static void eprom_put_bits(struct zatm_dev *zatm_dev, unsigned long data,
+ int bits, unsigned short cmd)
{
unsigned long value;
int i;
@@ -1133,8 +1132,8 @@ static void __devinit eprom_put_bits(struct zatm_dev *zatm_dev,
}
-static void __devinit eprom_get_byte(struct zatm_dev *zatm_dev,
- unsigned char *byte,unsigned short cmd)
+static void eprom_get_byte(struct zatm_dev *zatm_dev, unsigned char *byte,
+ unsigned short cmd)
{
int i;
@@ -1149,8 +1148,8 @@ static void __devinit eprom_get_byte(struct zatm_dev *zatm_dev,
}
-static unsigned char __devinit eprom_try_esi(struct atm_dev *dev,
- unsigned short cmd,int offset,int swap)
+static unsigned char eprom_try_esi(struct atm_dev *dev, unsigned short cmd,
+ int offset, int swap)
{
unsigned char buf[ZEPROM_SIZE];
struct zatm_dev *zatm_dev;
@@ -1170,7 +1169,7 @@ static unsigned char __devinit eprom_try_esi(struct atm_dev *dev,
}
-static void __devinit eprom_get_esi(struct atm_dev *dev)
+static void eprom_get_esi(struct atm_dev *dev)
{
if (eprom_try_esi(dev,ZEPROM_V1_REG,ZEPROM_V1_ESI_OFF,1)) return;
(void) eprom_try_esi(dev,ZEPROM_V2_REG,ZEPROM_V2_ESI_OFF,0);
@@ -1180,12 +1179,11 @@ static void __devinit eprom_get_esi(struct atm_dev *dev)
/*--------------------------------- entries ---------------------------------*/
-static int __init zatm_init(struct atm_dev *dev)
+static int zatm_init(struct atm_dev *dev)
{
struct zatm_dev *zatm_dev;
struct pci_dev *pci_dev;
unsigned short command;
- unsigned char revision;
int error,i,last;
unsigned long t0,t1,t2;
@@ -1195,8 +1193,7 @@ static int __init zatm_init(struct atm_dev *dev)
pci_dev = zatm_dev->pci_dev;
zatm_dev->base = pci_resource_start(pci_dev, 0);
zatm_dev->irq = pci_dev->irq;
- if ((error = pci_read_config_word(pci_dev,PCI_COMMAND,&command)) ||
- (error = pci_read_config_byte(pci_dev,PCI_REVISION_ID,&revision))) {
+ if ((error = pci_read_config_word(pci_dev,PCI_COMMAND,&command))) {
printk(KERN_ERR DEV_LABEL "(itf %d): init error 0x%02x\n",
dev->number,error);
return -EINVAL;
@@ -1209,7 +1206,7 @@ static int __init zatm_init(struct atm_dev *dev)
}
eprom_get_esi(dev);
printk(KERN_NOTICE DEV_LABEL "(itf %d): rev.%d,base=0x%x,irq=%d,",
- dev->number,revision,zatm_dev->base,zatm_dev->irq);
+ dev->number,pci_dev->revision,zatm_dev->base,zatm_dev->irq);
/* reset uPD98401 */
zout(0,SWR);
while (!(zin(GSR) & uPD98401_INT_IND));
@@ -1259,7 +1256,7 @@ static int __init zatm_init(struct atm_dev *dev)
}
-static int __init zatm_start(struct atm_dev *dev)
+static int zatm_start(struct atm_dev *dev)
{
struct zatm_dev *zatm_dev = ZATM_DEV(dev);
struct pci_dev *pdev = zatm_dev->pci_dev;
@@ -1271,7 +1268,7 @@ static int __init zatm_start(struct atm_dev *dev)
zatm_dev->rx_map = zatm_dev->tx_map = NULL;
for (i = 0; i < NR_MBX; i++)
zatm_dev->mbx_start[i] = 0;
- error = request_irq(zatm_dev->irq, zatm_int, SA_SHIRQ, DEV_LABEL, dev);
+ error = request_irq(zatm_dev->irq, zatm_int, IRQF_SHARED, DEV_LABEL, dev);
if (error < 0) {
printk(KERN_ERR DEV_LABEL "(itf %d): IRQ%d is already in use\n",
dev->number,zatm_dev->irq);
@@ -1520,7 +1517,7 @@ static int zatm_getsockopt(struct atm_vcc *vcc,int level,int optname,
static int zatm_setsockopt(struct atm_vcc *vcc,int level,int optname,
- void __user *optval,int optlen)
+ void __user *optval,unsigned int optlen)
{
return -EINVAL;
}
@@ -1586,20 +1583,20 @@ static const struct atmdev_ops ops = {
.change_qos = zatm_change_qos,
};
-static int __devinit zatm_init_one(struct pci_dev *pci_dev,
- const struct pci_device_id *ent)
+static int zatm_init_one(struct pci_dev *pci_dev,
+ const struct pci_device_id *ent)
{
struct atm_dev *dev;
struct zatm_dev *zatm_dev;
int ret = -ENOMEM;
- zatm_dev = (struct zatm_dev *) kmalloc(sizeof(*zatm_dev), GFP_KERNEL);
+ zatm_dev = kmalloc(sizeof(*zatm_dev), GFP_KERNEL);
if (!zatm_dev) {
printk(KERN_EMERG "%s: memory shortage\n", DEV_LABEL);
goto out;
}
- dev = atm_dev_register(DEV_LABEL, &ops, -1, NULL);
+ dev = atm_dev_register(DEV_LABEL, &pci_dev->dev, &ops, -1, NULL);
if (!dev)
goto out_free;
@@ -1638,11 +1635,9 @@ out_free:
MODULE_LICENSE("GPL");
-static struct pci_device_id zatm_pci_tbl[] __devinitdata = {
- { PCI_VENDOR_ID_ZEITNET, PCI_DEVICE_ID_ZEITNET_1221,
- PCI_ANY_ID, PCI_ANY_ID, 0, 0, ZATM_COPPER },
- { PCI_VENDOR_ID_ZEITNET, PCI_DEVICE_ID_ZEITNET_1225,
- PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 },
+static struct pci_device_id zatm_pci_tbl[] = {
+ { PCI_VDEVICE(ZEITNET, PCI_DEVICE_ID_ZEITNET_1221), ZATM_COPPER },
+ { PCI_VDEVICE(ZEITNET, PCI_DEVICE_ID_ZEITNET_1225), 0 },
{ 0, }
};
MODULE_DEVICE_TABLE(pci, zatm_pci_tbl);
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-12-05 20:02:10 +0000