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Message-ID: <45CF65BE.8060602@jmorrow.org>
Date: Sun, 11 Feb 2007 10:51:42 -0800
From: Jeff Morrow <jmorrow@...rrow.org>
To: akpm@...l.org, jeff@...zik.org, davem@...emloft.net
CC: linux-kernel@...r.kernel.org, netdev@...r.kernel.org
Subject: [patch] bugfixes and new hardware support for arcnet driver
The modifications and bug fixes noted below were done by Realtime
Control Works and Contemporary Control Systems, Inc, Jan 2005. They
were incorporated into the 2.6 kernel by Jeff Morrow of Sierra
Analytics, Feb 2007. <jmorrow@...sspec.com>
The changes have been tested on a Contemporary Controls PCI20U-4000.
Summary of changes:
Arc-rawmode.c:
rx():
- Fixed error in received packet lengths; 256 byte packets were
being received as 257 bytes packets.
prepare_tx():
- Fixed error in transmit length calcs; 257 byte packets were being
transmitted as 260 byte packets.
com20020.c:
com20020_check():
- We now load the SETUP2 register if the 'clockm' parameter is
non-zero, instead of checking for ARC_CAN_10MBIT. The user is
now responsible for whether or not SETUP2 is loaded. If the
clock multiplier is non-zero, this means that the user wants a
baud rate greater than 2.5Mbps. This is not possible unless the
SETUP2 register is present (COM20020D, or COM20022). So, we're
relying on the user to be smart about what kind of chip he's
dealing with...
com20020-pci.c
- Added several entries to com20020pci_id_table[].
Signed-off-by: Jeff Morrow <jmorrow@...sspec.com>
---
diff -uprN -X linux-2.6.20/Documentation/dontdiff linux-2.6.20/drivers/net/arcnet/arcnet.c linux-2.6.20.changed/drivers/net/arcnet/arcnet.c
--- linux-2.6.20/drivers/net/arcnet/arcnet.c 2007-02-04 10:44:54.000000000 -0800
+++ linux-2.6.20.changed/drivers/net/arcnet/arcnet.c 2007-02-11 10:26:47.000000000 -0800
@@ -41,7 +41,7 @@
* <jojo@...as.de>
*/
-#define VERSION "arcnet: v3.93 BETA 2000/04/29 - by Avery Pennarun et al.\n"
+#define VERSION "arcnet: v3.94 BETA 2007/02/08 - by Avery Pennarun et al.\n"
#include <linux/module.h>
#include <linux/types.h>
diff -uprN -X linux-2.6.20/Documentation/dontdiff linux-2.6.20/drivers/net/arcnet/arc-rawmode.c linux-2.6.20.changed/drivers/net/arcnet/arc-rawmode.c
--- linux-2.6.20/drivers/net/arcnet/arc-rawmode.c 2007-02-04 10:44:54.000000000 -0800
+++ linux-2.6.20.changed/drivers/net/arcnet/arc-rawmode.c 2007-02-11 10:24:38.000000000 -0800
@@ -94,7 +94,7 @@ static void rx(struct net_device *dev, i
BUGMSG(D_DURING, "it's a raw packet (length=%d)\n", length);
- if (length >= MinTU)
+ if (length > MTU)
ofs = 512 - length;
else
ofs = 256 - length;
@@ -183,7 +183,7 @@ static int prepare_tx(struct net_device
length, XMTU);
length = XMTU;
}
- if (length > MinTU) {
+ if (length >= MinTU) {
hard->offset[0] = 0;
hard->offset[1] = ofs = 512 - length;
} else if (length > MTU) {
diff -uprN -X linux-2.6.20/Documentation/dontdiff linux-2.6.20/drivers/net/arcnet/com20020.c linux-2.6.20.changed/drivers/net/arcnet/com20020.c
--- linux-2.6.20/drivers/net/arcnet/com20020.c 2007-02-04 10:44:54.000000000 -0800
+++ linux-2.6.20.changed/drivers/net/arcnet/com20020.c 2007-02-11 10:29:59.000000000 -0800
@@ -104,7 +104,7 @@ int com20020_check(struct net_device *de
SET_SUBADR(SUB_SETUP1);
outb(lp->setup, _XREG);
- if (lp->card_flags & ARC_CAN_10MBIT)
+ if (lp->clockm != 0)
{
SET_SUBADR(SUB_SETUP2);
outb(lp->setup2, _XREG);
diff -uprN -X linux-2.6.20/Documentation/dontdiff linux-2.6.20/drivers/net/arcnet/com20020-pci.c linux-2.6.20.changed/drivers/net/arcnet/com20020-pci.c
--- linux-2.6.20/drivers/net/arcnet/com20020-pci.c 2007-02-04 10:44:54.000000000 -0800
+++ linux-2.6.20.changed/drivers/net/arcnet/com20020-pci.c 2007-02-11 10:33:11.000000000 -0800
@@ -155,6 +155,7 @@ static struct pci_device_id com20020pci_
{ 0x1571, 0xa00b, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ARC_IS_5MBIT },
{ 0x1571, 0xa00c, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ARC_IS_5MBIT },
{ 0x1571, 0xa00d, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ARC_IS_5MBIT },
+ { 0x1571, 0xa00e, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ARC_IS_5MBIT },
{ 0x1571, 0xa201, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ARC_CAN_10MBIT },
{ 0x1571, 0xa202, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ARC_CAN_10MBIT },
{ 0x1571, 0xa203, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ARC_CAN_10MBIT },
@@ -163,6 +164,8 @@ static struct pci_device_id com20020pci_
{ 0x1571, 0xa206, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ARC_CAN_10MBIT },
{ 0x10B5, 0x9030, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ARC_CAN_10MBIT },
{ 0x10B5, 0x9050, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ARC_CAN_10MBIT },
+ { 0x14BA, 0x6000, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ARC_CAN_10MBIT },
+ { 0x10B5, 0x2200, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ARC_CAN_10MBIT },
{0,}
};
-
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