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8390: Split 8390 support into a pausing and a non pausing driver core

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Only a few ISA controllers need the pausing version of the 8390 core
while PCMCIA, later ISA and PCI do not. More importantly the ISA delays
can break non ISA boxes so we must use a different build of 8390.c for
the two sets of controllers.

No changes since last time as all the points of concerns raised proved to
be invalid

Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
This commit is contained in:
Alan Cox 2008-07-03 23:43:12 -07:00 committed by Jeff Garzik
parent 141766cf97
commit 055e5110ae
7 changed files with 116 additions and 36 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

14
drivers/net/3c503.c
View File

@ -149,7 +149,7 @@ el2_pio_probe(struct net_device *dev)
#ifndef MODULE
struct net_device * __init el2_probe(int unit)
{
struct net_device *dev = alloc_ei_netdev();
struct net_device *dev = alloc_eip_netdev();
int err;
if (!dev)
@ -340,7 +340,7 @@ el2_probe1(struct net_device *dev, int ioaddr)
dev->stop = &el2_close;
dev->ethtool_ops = &netdev_ethtool_ops;
#ifdef CONFIG_NET_POLL_CONTROLLER
dev->poll_controller = ei_poll;
dev->poll_controller = eip_poll;
#endif
retval = register_netdev(dev);
@ -386,7 +386,7 @@ el2_open(struct net_device *dev)
outb_p(0x00, E33G_IDCFR);
if (*irqp == probe_irq_off(cookie) /* It's a good IRQ line! */
&& ((retval = request_irq(dev->irq = *irqp,
ei_interrupt, 0, dev->name, dev)) == 0))
eip_interrupt, 0, dev->name, dev)) == 0))
break;
}
} while (*++irqp);
@ -395,13 +395,13 @@ el2_open(struct net_device *dev)
return retval;
}
} else {
if ((retval = request_irq(dev->irq, ei_interrupt, 0, dev->name, dev))) {
if ((retval = request_irq(dev->irq, eip_interrupt, 0, dev->name, dev))) {
return retval;
}
}
el2_init_card(dev);
ei_open(dev);
eip_open(dev);
return 0;
}
@ -412,7 +412,7 @@ el2_close(struct net_device *dev)
dev->irq = ei_status.saved_irq;
outb(EGACFR_IRQOFF, E33G_GACFR); /* disable interrupts. */
ei_close(dev);
eip_close(dev);
return 0;
}
@ -698,7 +698,7 @@ init_module(void)
if (this_dev != 0) break; /* only autoprobe 1st one */
printk(KERN_NOTICE "3c503.c: Presently autoprobing (not recommended) for a single card.\n");
}
dev = alloc_ei_netdev();
dev = alloc_eip_netdev();
if (!dev)
break;
dev->irq = irq[this_dev];

18
drivers/net/8390.h
View File

@ -30,8 +30,10 @@ extern int ei_debug;
#ifdef CONFIG_NET_POLL_CONTROLLER
extern void ei_poll(struct net_device *dev);
extern void eip_poll(struct net_device *dev);
#endif
/* Without I/O delay - non ISA or later chips */
extern void NS8390_init(struct net_device *dev, int startp);
extern int ei_open(struct net_device *dev);
extern int ei_close(struct net_device *dev);
@ -42,6 +44,17 @@ static inline struct net_device *alloc_ei_netdev(void)
return __alloc_ei_netdev(0);
}
/* With I/O delay form */
extern void NS8390p_init(struct net_device *dev, int startp);
extern int eip_open(struct net_device *dev);
extern int eip_close(struct net_device *dev);
extern irqreturn_t eip_interrupt(int irq, void *dev_id);
extern struct net_device *__alloc_eip_netdev(int size);
static inline struct net_device *alloc_eip_netdev(void)
{
return __alloc_eip_netdev(0);
}
/* You have one of these per-board */
struct ei_device {
const char *name;
@ -115,13 +128,14 @@ struct ei_device {
/*
* Only generate indirect loads given a machine that needs them.
* - removed AMIGA_PCMCIA from this list, handled as ISA io now
* - the _p for generates no delay by default 8390p.c overrides this.
*/
#ifndef ei_inb
#define ei_inb(_p) inb(_p)
#define ei_outb(_v,_p) outb(_v,_p)
#define ei_inb_p(_p) inb_p(_p)
#define ei_outb_p(_v,_p) outb_p(_v,_p)
#define ei_inb_p(_p) inb(_p)
#define ei_outb_p(_v,_p) outb(_v,_p)
#endif
#ifndef EI_SHIFT

66
drivers/net/8390p.c Normal file
View File

@ -0,0 +1,66 @@
/* 8390 core for ISA devices needing bus delays */
static const char version[] =
"8390p.c:v1.10cvs 9/23/94 Donald Becker (becker@cesdis.gsfc.nasa.gov)\n";
#define ei_inb(_p) inb(_p)
#define ei_outb(_v,_p) outb(_v,_p)
#define ei_inb_p(_p) inb_p(_p)
#define ei_outb_p(_v,_p) outb_p(_v,_p)
#include "lib8390.c"
int eip_open(struct net_device *dev)
{
return __ei_open(dev);
}
int eip_close(struct net_device *dev)
{
return __ei_close(dev);
}
irqreturn_t eip_interrupt(int irq, void *dev_id)
{
return __ei_interrupt(irq, dev_id);
}
#ifdef CONFIG_NET_POLL_CONTROLLER
void eip_poll(struct net_device *dev)
{
__ei_poll(dev);
}
#endif
struct net_device *__alloc_eip_netdev(int size)
{
return ____alloc_ei_netdev(size);
}
void NS8390p_init(struct net_device *dev, int startp)
{
return __NS8390_init(dev, startp);
}
EXPORT_SYMBOL(eip_open);
EXPORT_SYMBOL(eip_close);
EXPORT_SYMBOL(eip_interrupt);
#ifdef CONFIG_NET_POLL_CONTROLLER
EXPORT_SYMBOL(eip_poll);
#endif
EXPORT_SYMBOL(NS8390p_init);
EXPORT_SYMBOL(__alloc_eip_netdev);
#if defined(MODULE)
int init_module(void)
{
return 0;
}
void cleanup_module(void)
{
}
#endif /* MODULE */
MODULE_LICENSE("GPL");

10
drivers/net/Makefile
View File

@ -106,11 +106,11 @@ ifeq ($(CONFIG_FEC_MPC52xx_MDIO),y)
endif
obj-$(CONFIG_68360_ENET) += 68360enet.o
obj-$(CONFIG_WD80x3) += wd.o 8390.o
obj-$(CONFIG_EL2) += 3c503.o 8390.o
obj-$(CONFIG_NE2000) += ne.o 8390.o
obj-$(CONFIG_NE2_MCA) += ne2.o 8390.o
obj-$(CONFIG_HPLAN) += hp.o 8390.o
obj-$(CONFIG_HPLAN_PLUS) += hp-plus.o 8390.o
obj-$(CONFIG_EL2) += 3c503.o 8390p.o
obj-$(CONFIG_NE2000) += ne.o 8390p.o
obj-$(CONFIG_NE2_MCA) += ne2.o 8390p.o
obj-$(CONFIG_HPLAN) += hp.o 8390p.o
obj-$(CONFIG_HPLAN_PLUS) += hp-plus.o 8390p.o
obj-$(CONFIG_ULTRA) += smc-ultra.o 8390.o
obj-$(CONFIG_ULTRAMCA) += smc-mca.o 8390.o
obj-$(CONFIG_ULTRA32) += smc-ultra32.o 8390.o

14
drivers/net/hp.c
View File

@ -103,7 +103,7 @@ static int __init do_hp_probe(struct net_device *dev)
#ifndef MODULE
struct net_device * __init hp_probe(int unit)
{
struct net_device *dev = alloc_ei_netdev();
struct net_device *dev = alloc_eip_netdev();
int err;
if (!dev)
@ -176,7 +176,7 @@ static int __init hp_probe1(struct net_device *dev, int ioaddr)
outb_p(irqmap[irq] | HP_RUN, ioaddr + HP_CONFIGURE);
outb_p( 0x00 | HP_RUN, ioaddr + HP_CONFIGURE);
if (irq == probe_irq_off(cookie) /* It's a good IRQ line! */
&& request_irq (irq, ei_interrupt, 0, DRV_NAME, dev) == 0) {
&& request_irq (irq, eip_interrupt, 0, DRV_NAME, dev) == 0) {
printk(" selecting IRQ %d.\n", irq);
dev->irq = *irqp;
break;
@ -191,7 +191,7 @@ static int __init hp_probe1(struct net_device *dev, int ioaddr)
} else {
if (dev->irq == 2)
dev->irq = 9;
if ((retval = request_irq(dev->irq, ei_interrupt, 0, DRV_NAME, dev))) {
if ((retval = request_irq(dev->irq, eip_interrupt, 0, DRV_NAME, dev))) {
printk (" unable to get IRQ %d.\n", dev->irq);
goto out;
}
@ -202,7 +202,7 @@ static int __init hp_probe1(struct net_device *dev, int ioaddr)
dev->open = &hp_open;
dev->stop = &hp_close;
#ifdef CONFIG_NET_POLL_CONTROLLER
dev->poll_controller = ei_poll;
dev->poll_controller = eip_poll;
#endif
ei_status.name = name;
@ -231,14 +231,14 @@ out:
static int
hp_open(struct net_device *dev)
{
ei_open(dev);
eip_open(dev);
return 0;
}
static int
hp_close(struct net_device *dev)
{
ei_close(dev);
eip_close(dev);
return 0;
}
@ -421,7 +421,7 @@ init_module(void)
if (this_dev != 0) break; /* only autoprobe 1st one */
printk(KERN_NOTICE "hp.c: Presently autoprobing (not recommended) for a single card.\n");
}
dev = alloc_ei_netdev();
dev = alloc_eip_netdev();
if (!dev)
break;
dev->irq = irq[this_dev];

14
drivers/net/ne.c
View File

@ -217,7 +217,7 @@ static int __init do_ne_probe(struct net_device *dev)
#ifndef MODULE
struct net_device * __init ne_probe(int unit)
{
struct net_device *dev = alloc_ei_netdev();
struct net_device *dev = alloc_eip_netdev();
int err;
if (!dev)
@ -490,7 +490,7 @@ static int __init ne_probe1(struct net_device *dev, unsigned long ioaddr)
/* Snarf the interrupt now. There's no point in waiting since we cannot
share and the board will usually be enabled. */
ret = request_irq(dev->irq, ei_interrupt, 0, name, dev);
ret = request_irq(dev->irq, eip_interrupt, 0, name, dev);
if (ret) {
printk (" unable to get IRQ %d (errno=%d).\n", dev->irq, ret);
goto err_out;
@ -534,7 +534,7 @@ static int __init ne_probe1(struct net_device *dev, unsigned long ioaddr)
dev->open = &ne_open;
dev->stop = &ne_close;
#ifdef CONFIG_NET_POLL_CONTROLLER
dev->poll_controller = ei_poll;
dev->poll_controller = eip_poll;
#endif
NS8390_init(dev, 0);
@ -554,7 +554,7 @@ err_out:
static int ne_open(struct net_device *dev)
{
ei_open(dev);
eip_open(dev);
return 0;
}
@ -562,7 +562,7 @@ static int ne_close(struct net_device *dev)
{
if (ei_debug > 1)
printk(KERN_DEBUG "%s: Shutting down ethercard.\n", dev->name);
ei_close(dev);
eip_close(dev);
return 0;
}
@ -814,7 +814,7 @@ static int __init ne_drv_probe(struct platform_device *pdev)
if (!res || irq < 0)
return -ENODEV;
dev = alloc_ei_netdev();
dev = alloc_eip_netdev();
if (!dev)
return -ENOMEM;
dev->irq = irq;
@ -912,7 +912,7 @@ int __init init_module(void)
int plat_found = !ne_init();
for (this_dev = 0; this_dev < MAX_NE_CARDS; this_dev++) {
struct net_device *dev = alloc_ei_netdev();
struct net_device *dev = alloc_eip_netdev();
if (!dev)
break;
dev->irq = irq[this_dev];

16
drivers/net/ne2.c
View File

@ -280,7 +280,7 @@ static int __init do_ne2_probe(struct net_device *dev)
#ifndef MODULE
struct net_device * __init ne2_probe(int unit)
{
struct net_device *dev = alloc_ei_netdev();
struct net_device *dev = alloc_eip_netdev();
int err;
if (!dev)
@ -457,7 +457,7 @@ static int __init ne2_probe1(struct net_device *dev, int slot)
/* Snarf the interrupt now. There's no point in waiting since we cannot
share and the board will usually be enabled. */
retval = request_irq(dev->irq, ei_interrupt, 0, DRV_NAME, dev);
retval = request_irq(dev->irq, eip_interrupt, 0, DRV_NAME, dev);
if (retval) {
printk (" unable to get IRQ %d (irqval=%d).\n",
dev->irq, retval);
@ -497,9 +497,9 @@ static int __init ne2_probe1(struct net_device *dev, int slot)
dev->open = &ne_open;
dev->stop = &ne_close;
#ifdef CONFIG_NET_POLL_CONTROLLER
dev->poll_controller = ei_poll;
dev->poll_controller = eip_poll;
#endif
NS8390_init(dev, 0);
NS8390p_init(dev, 0);
retval = register_netdev(dev);
if (retval)
@ -515,7 +515,7 @@ out:
static int ne_open(struct net_device *dev)
{
ei_open(dev);
eip_open(dev);
return 0;
}
@ -523,7 +523,7 @@ static int ne_close(struct net_device *dev)
{
if (ei_debug > 1)
printk("%s: Shutting down ethercard.\n", dev->name);
ei_close(dev);
eip_close(dev);
return 0;
}
@ -748,7 +748,7 @@ retry:
if (time_after(jiffies, dma_start + 2*HZ/100)) { /* 20ms */
printk("%s: timeout waiting for Tx RDC.\n", dev->name);
ne_reset_8390(dev);
NS8390_init(dev,1);
NS8390p_init(dev, 1);
break;
}
@ -781,7 +781,7 @@ int __init init_module(void)
int this_dev, found = 0;
for (this_dev = 0; this_dev < MAX_NE_CARDS; this_dev++) {
dev = alloc_ei_netdev();
dev = alloc_eip_netdev();
if (!dev)
break;
dev->irq = irq[this_dev];