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SubjectPATCH: bring 2.5 arcnet into line with 2.4
Date
From
Fixes a request region breakage
Fixes a size request error
Handles a new card type

diff -u --new-file --recursive --exclude-from /usr/src/exclude linux-2.5.61/drivers/net/arcnet/com20020.c linux-2.5.61-ac1/drivers/net/arcnet/com20020.c
--- linux-2.5.61/drivers/net/arcnet/com20020.c 2003-02-10 18:38:17.000000000 +0000
+++ linux-2.5.61-ac1/drivers/net/arcnet/com20020.c 2003-02-14 23:22:10.000000000 +0000
@@ -98,6 +98,10 @@
lp->setup = lp->clockm ? 0 : (lp->clockp << 1);
lp->setup2 = (lp->clockm << 4) | 8;

+ /* CHECK: should we do this for SOHARD cards ? */
+ /* Enable P1Mode for backplane mode */
+ lp->setup = lp->setup | P1MODE;
+
SET_SUBADR(SUB_SETUP1);
outb(lp->setup, _XREG);

@@ -202,7 +206,7 @@
return -ENODEV;
}
/* reserve the I/O region */
- if (request_region(ioaddr, ARCNET_TOTAL_SIZE, "arcnet (COM20020)")) {
+ if (!request_region(ioaddr, ARCNET_TOTAL_SIZE, "arcnet (COM20020)")) {
free_irq(dev->irq, dev);
return -EBUSY;
}
@@ -300,8 +304,9 @@
struct arcnet_local *lp = (struct arcnet_local *) dev->priv;
int ioaddr = dev->base_addr;

- if (open)
+ if (open) {
MOD_INC_USE_COUNT;
+ }
else {
/* disable transmitter */
lp->config &= ~TXENcfg;
diff -u --new-file --recursive --exclude-from /usr/src/exclude linux-2.5.61/drivers/net/arcnet/com20020-pci.c linux-2.5.61-ac1/drivers/net/arcnet/com20020-pci.c
--- linux-2.5.61/drivers/net/arcnet/com20020-pci.c 2003-02-10 18:38:00.000000000 +0000
+++ linux-2.5.61-ac1/drivers/net/arcnet/com20020-pci.c 2003-02-14 23:22:15.000000000 +0000
@@ -1,5 +1,6 @@
/*
- * Linux ARCnet driver - COM20020 PCI support (Contemporary Controls PCI20)
+ * Linux ARCnet driver - COM20020 PCI support
+ * Contemporary Controls PCI20 and SOHARD SH-ARC PCI
*
* Written 1994-1999 by Avery Pennarun,
* based on an ISA version by David Woodhouse.
@@ -86,7 +87,21 @@
memset(lp, 0, sizeof(struct arcnet_local));
pci_set_drvdata(pdev, dev);

- ioaddr = pci_resource_start(pdev, 2);
+ // SOHARD needs PCI base addr 4
+ if (pdev->vendor==0x10B5) {
+ BUGMSG(D_NORMAL, "SOHARD\n");
+ ioaddr = pci_resource_start(pdev, 4);
+ }
+ else {
+ BUGMSG(D_NORMAL, "Contemporary Controls\n");
+ ioaddr = pci_resource_start(pdev, 2);
+ }
+
+ // Dummy access after Reset
+ // ARCNET controller needs this access to detect bustype
+ outb(0x00,ioaddr+1);
+ inb(ioaddr+1);
+
dev->base_addr = ioaddr;
dev->irq = pdev->irq;
dev->dev_addr[0] = node;
@@ -152,6 +167,7 @@
{ 0x1571, 0xa204, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ARC_CAN_10MBIT },
{ 0x1571, 0xa205, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ARC_CAN_10MBIT },
{ 0x1571, 0xa206, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ARC_CAN_10MBIT },
+ { 0x10B5, 0x9050, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ARC_CAN_10MBIT },
{0,}
};

-
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