fedora core 6 1.2949 + vserver 2.2.0

[linux-2.6.git] / drivers / net / ne.c

diff --git a/drivers/net/ne.c b/drivers/net/ne.c
index 94f782d..a5c4199 100644 (file)
--- a/drivers/net/ne.c
+++ b/drivers/net/ne.c
@@ -50,6 +50,7 @@ static const char version2[] =
 #include <linux/delay.h>
 #include <linux/netdevice.h>
 #include <linux/etherdevice.h>
+#include <linux/jiffies.h>
 
 #include <asm/system.h>
 #include <asm/io.h>
@@ -138,8 +139,9 @@ bad_clone_list[] __initdata = {
 
 #if defined(CONFIG_PLAT_MAPPI)
 #  define DCR_VAL 0x4b
-#elif defined(CONFIG_PLAT_OAKS32R)
-#  define DCR_VAL 0x48
+#elif defined(CONFIG_PLAT_OAKS32R)  || \
+   defined(CONFIG_TOSHIBA_RBTX4927) || defined(CONFIG_TOSHIBA_RBTX4938)
+#  define DCR_VAL 0x48         /* 8-bit mode */
 #else
 #  define DCR_VAL 0x49
 #endif
@@ -158,7 +160,7 @@ static void ne_block_input(struct net_device *dev, int count,
 static void ne_block_output(struct net_device *dev, const int count,
                const unsigned char *buf, const int start_page);
 
-\f
+
 /*  Probe for various non-shared-memory ethercards.
 
    NEx000-clone boards have a Station Address PROM (SAPROM) in the packet
@@ -225,7 +227,7 @@ struct net_device * __init ne_probe(int unit)
        netdev_boot_setup_check(dev);
 
 #ifdef CONFIG_TOSHIBA_RBTX4938
-       dev->base_addr = 0x07f20280;
+       dev->base_addr = RBTX4938_RTL_8019_BASE;
        dev->irq = RBTX4938_RTL_8019_IRQ;
 #endif
        err = do_ne_probe(dev);
@@ -341,7 +343,7 @@ static int __init ne_probe1(struct net_device *dev, int ioaddr)
                outb(inb(ioaddr + NE_RESET), ioaddr + NE_RESET);
 
                while ((inb_p(ioaddr + EN0_ISR) & ENISR_RESET) == 0)
-               if (jiffies - reset_start_time > 2*HZ/100) {
+               if (time_after(jiffies, reset_start_time + 2*HZ/100)) {
                        if (bad_card) {
                                printk(" (warning: no reset ack)");
                                break;
@@ -395,10 +397,22 @@ static int __init ne_probe1(struct net_device *dev, int ioaddr)
                /* We must set the 8390 for word mode. */
                outb_p(DCR_VAL, ioaddr + EN0_DCFG);
                start_page = NESM_START_PG;
-               stop_page = NESM_STOP_PG;
+
+               /*
+                * Realtek RTL8019AS datasheet says that the PSTOP register
+                * shouldn't exceed 0x60 in 8-bit mode.
+                * This chip can be identified by reading the signature from
+                * the  remote byte count registers (otherwise write-only)...
+                */
+               if ((DCR_VAL & 0x01) == 0 &&            /* 8-bit mode */
+                   inb(ioaddr + EN0_RCNTLO) == 0x50 &&
+                   inb(ioaddr + EN0_RCNTHI) == 0x70)
+                       stop_page = 0x60;
+               else
+                       stop_page = NESM_STOP_PG;
        } else {
                start_page = NE1SM_START_PG;
-               stop_page = NE1SM_STOP_PG;
+               stop_page  = NE1SM_STOP_PG;
        }
 
 #if  defined(CONFIG_PLAT_MAPPI) || defined(CONFIG_PLAT_OAKS32R)
@@ -508,15 +522,9 @@ static int __init ne_probe1(struct net_device *dev, int ioaddr)
        ei_status.name = name;
        ei_status.tx_start_page = start_page;
        ei_status.stop_page = stop_page;
-#if defined(CONFIG_TOSHIBA_RBTX4927) || defined(CONFIG_TOSHIBA_RBTX4938)
-       wordlength = 1;
-#endif
 
-#ifdef CONFIG_PLAT_OAKS32R
-       ei_status.word16 = 0;
-#else
-       ei_status.word16 = (wordlength == 2);
-#endif
+       /* Use 16-bit mode only if this wasn't overridden by DCR_VAL */
+       ei_status.word16 = (wordlength == 2 && (DCR_VAL & 0x01));
 
        ei_status.rx_start_page = start_page + TX_PAGES;
 #ifdef PACKETBUF_MEMSIZE
@@ -580,7 +588,7 @@ static void ne_reset_8390(struct net_device *dev)
 
        /* This check _should_not_ be necessary, omit eventually. */
        while ((inb_p(NE_BASE+EN0_ISR) & ENISR_RESET) == 0)
-               if (jiffies - reset_start_time > 2*HZ/100) {
+               if (time_after(jiffies, reset_start_time + 2*HZ/100)) {
                        printk(KERN_WARNING "%s: ne_reset_8390() did not complete.\n", dev->name);
                        break;
                }
@@ -787,7 +795,7 @@ retry:
 #endif
 
        while ((inb_p(nic_base + EN0_ISR) & ENISR_RDC) == 0)
-               if (jiffies - dma_start > 2*HZ/100) {           /* 20ms */
+               if (time_after(jiffies, dma_start + 2*HZ/100)) {                /* 20ms */
                        printk(KERN_WARNING "%s: timeout waiting for Tx RDC.\n", dev->name);
                        ne_reset_8390(dev);
                        NS8390_init(dev,1);
@@ -799,7 +807,7 @@ retry:
        return;
 }
 
-\f
+
 #ifdef MODULE
 #define MAX_NE_CARDS   4       /* Max number of NE cards per module */
 static struct net_device *dev_ne[MAX_NE_CARDS];
@@ -821,7 +829,7 @@ that the ne2k probe is the last 8390 based probe to take place (as it
 is at boot) and so the probe will get confused by any other 8390 cards.
 ISA device autoprobes on a running machine are not recommended anyway. */
 
-int init_module(void)
+int __init init_module(void)
 {
        int this_dev, found = 0;
 
@@ -859,7 +867,7 @@ static void cleanup_card(struct net_device *dev)
        release_region(dev->base_addr, NE_IO_EXTENT);
 }
 
-void cleanup_module(void)
+void __exit cleanup_module(void)
 {
        int this_dev;