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Finally fix the annoying BCM4704 segfault issues (#2035) - tested with WL-500gP

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Thanks to jhansen and Wolfram Joost for the fixes and to ryd for the test hardware.
Seems like the user space segfaults actually came from this patch: http://lkml.org/lkml/2006/12/12/158


git-svn-id: svn://svn.openwrt.org/openwrt/trunk@9285 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
nbd
2007-10-13 10:02:27 +00:00
parent 7e64c376dc
commit c9e9be9d3a
6 changed files with 168 additions and 632 deletions
Download Patch File Download Diff File Expand all files Collapse all files

96
target/linux/brcm47xx/patches-2.6.23/120-b44_ssb_support.patch
View File

@@ -1,7 +1,7 @@
Index: linux-2.6.23/drivers/net/b44.c
===================================================================
--- linux-2.6.23.orig/drivers/net/b44.c 2007-10-09 22:31:38.000000000 +0200
+++ linux-2.6.23/drivers/net/b44.c 2007-10-13 02:46:38.946989430 +0200
--- linux-2.6.23.orig/drivers/net/b44.c 2007-10-13 10:58:27.872607266 +0200
+++ linux-2.6.23/drivers/net/b44.c 2007-10-13 11:00:46.916530927 +0200
@@ -1,7 +1,9 @@
-/* b44.c: Broadcom 4400 device driver.
+/* b44.c: Broadcom 4400/47xx device driver.
@@ -107,7 +107,7 @@ Index: linux-2.6.23/drivers/net/b44.c
+ unsigned long offset,
+ enum dma_data_direction dir)
+{
+ dma_sync_single_range_for_device(&sdev->dev, dma_base,
+ dma_sync_single_range_for_device(sdev->dev, dma_base,
+ offset & dma_desc_align_mask,
+ dma_desc_sync_size, dir);
+}
@@ -117,7 +117,7 @@ Index: linux-2.6.23/drivers/net/b44.c
+ unsigned long offset,
+ enum dma_data_direction dir)
+{
+ dma_sync_single_range_for_cpu(&sdev->dev, dma_base,
+ dma_sync_single_range_for_cpu(sdev->dev, dma_base,
+ offset & dma_desc_align_mask,
+ dma_desc_sync_size, dir);
}
@@ -370,7 +370,7 @@ Index: linux-2.6.23/drivers/net/b44.c
BUG_ON(skb == NULL);
- pci_unmap_single(bp->pdev,
+ dma_unmap_single(&bp->sdev->dev,
+ dma_unmap_single(bp->sdev->dev,
pci_unmap_addr(rp, mapping),
skb->len,
- PCI_DMA_TODEVICE);
@@ -383,7 +383,7 @@ Index: linux-2.6.23/drivers/net/b44.c
return -ENOMEM;
- mapping = pci_map_single(bp->pdev, skb->data,
+ mapping = dma_map_single(&bp->sdev->dev, skb->data,
+ mapping = dma_map_single(bp->sdev->dev, skb->data,
RX_PKT_BUF_SZ,
- PCI_DMA_FROMDEVICE);
+ DMA_FROM_DEVICE);
@@ -395,13 +395,13 @@ Index: linux-2.6.23/drivers/net/b44.c
/* Sigh... */
if (!dma_mapping_error(mapping))
- pci_unmap_single(bp->pdev, mapping, RX_PKT_BUF_SZ,PCI_DMA_FROMDEVICE);
+ dma_unmap_single(&bp->sdev->dev, mapping, RX_PKT_BUF_SZ,DMA_FROM_DEVICE);
+ dma_unmap_single(bp->sdev->dev, mapping, RX_PKT_BUF_SZ,DMA_FROM_DEVICE);
dev_kfree_skb_any(skb);
skb = __netdev_alloc_skb(bp->dev, RX_PKT_BUF_SZ, GFP_ATOMIC|GFP_DMA);
if (skb == NULL)
return -ENOMEM;
- mapping = pci_map_single(bp->pdev, skb->data,
+ mapping = dma_map_single(&bp->sdev->dev, skb->data,
+ mapping = dma_map_single(bp->sdev->dev, skb->data,
RX_PKT_BUF_SZ,
- PCI_DMA_FROMDEVICE);
+ DMA_FROM_DEVICE);
@@ -409,7 +409,7 @@ Index: linux-2.6.23/drivers/net/b44.c
mapping + RX_PKT_BUF_SZ > DMA_30BIT_MASK) {
if (!dma_mapping_error(mapping))
- pci_unmap_single(bp->pdev, mapping, RX_PKT_BUF_SZ,PCI_DMA_FROMDEVICE);
+ dma_unmap_single(&bp->sdev->dev, mapping, RX_PKT_BUF_SZ,DMA_FROM_DEVICE);
+ dma_unmap_single(bp->sdev->dev, mapping, RX_PKT_BUF_SZ,DMA_FROM_DEVICE);
dev_kfree_skb_any(skb);
return -ENOMEM;
}
@@ -451,7 +451,7 @@ Index: linux-2.6.23/drivers/net/b44.c
+ DMA_BIDIRECTIONAL);
- pci_dma_sync_single_for_device(bp->pdev, le32_to_cpu(src_desc->addr),
+ dma_sync_single_for_device(&bp->sdev->dev, le32_to_cpu(src_desc->addr),
+ dma_sync_single_for_device(bp->sdev->dev, le32_to_cpu(src_desc->addr),
RX_PKT_BUF_SZ,
- PCI_DMA_FROMDEVICE);
+ DMA_FROM_DEVICE);
@@ -463,7 +463,7 @@ Index: linux-2.6.23/drivers/net/b44.c
u16 len;
- pci_dma_sync_single_for_cpu(bp->pdev, map,
+ dma_sync_single_for_cpu(&bp->sdev->dev, map,
+ dma_sync_single_for_cpu(bp->sdev->dev, map,
RX_PKT_BUF_SZ,
- PCI_DMA_FROMDEVICE);
+ DMA_FROM_DEVICE);
@@ -476,7 +476,7 @@ Index: linux-2.6.23/drivers/net/b44.c
goto drop_it;
- pci_unmap_single(bp->pdev, map,
- skb_size, PCI_DMA_FROMDEVICE);
+ dma_unmap_single(&bp->sdev->dev, map,
+ dma_unmap_single(bp->sdev->dev, map,
+ skb_size, DMA_FROM_DEVICE);
/* Leave out rx_header */
skb_put(skb, len + RX_PKT_OFFSET);
@@ -486,14 +486,14 @@ Index: linux-2.6.23/drivers/net/b44.c
}
- mapping = pci_map_single(bp->pdev, skb->data, len, PCI_DMA_TODEVICE);
+ mapping = dma_map_single(&bp->sdev->dev, skb->data, len, DMA_TO_DEVICE);
+ mapping = dma_map_single(bp->sdev->dev, skb->data, len, DMA_TO_DEVICE);
if (dma_mapping_error(mapping) || mapping + len > DMA_30BIT_MASK) {
struct sk_buff *bounce_skb;
/* Chip can't handle DMA to/from >1GB, use bounce buffer */
if (!dma_mapping_error(mapping))
- pci_unmap_single(bp->pdev, mapping, len, PCI_DMA_TODEVICE);
+ dma_unmap_single(&bp->sdev->dev, mapping, len, DMA_TO_DEVICE);
+ dma_unmap_single(bp->sdev->dev, mapping, len, DMA_TO_DEVICE);
bounce_skb = __dev_alloc_skb(len, GFP_ATOMIC | GFP_DMA);
if (!bounce_skb)
@@ -501,13 +501,13 @@ Index: linux-2.6.23/drivers/net/b44.c
- mapping = pci_map_single(bp->pdev, bounce_skb->data,
- len, PCI_DMA_TODEVICE);
+ mapping = dma_map_single(&bp->sdev->dev, bounce_skb->data,
+ mapping = dma_map_single(bp->sdev->dev, bounce_skb->data,
+ len, DMA_TO_DEVICE);
if (dma_mapping_error(mapping) || mapping + len > DMA_30BIT_MASK) {
if (!dma_mapping_error(mapping))
- pci_unmap_single(bp->pdev, mapping,
- len, PCI_DMA_TODEVICE);
+ dma_unmap_single(&bp->sdev->dev, mapping,
+ dma_unmap_single(bp->sdev->dev, mapping,
+ len, DMA_TO_DEVICE);
dev_kfree_skb_any(bounce_skb);
goto err_out;
@@ -530,7 +530,7 @@ Index: linux-2.6.23/drivers/net/b44.c
if (rp->skb == NULL)
continue;
- pci_unmap_single(bp->pdev,
+ dma_unmap_single(&bp->sdev->dev,
+ dma_unmap_single(bp->sdev->dev,
pci_unmap_addr(rp, mapping),
RX_PKT_BUF_SZ,
- PCI_DMA_FROMDEVICE);
@@ -543,7 +543,7 @@ Index: linux-2.6.23/drivers/net/b44.c
if (rp->skb == NULL)
continue;
- pci_unmap_single(bp->pdev,
+ dma_unmap_single(&bp->sdev->dev,
+ dma_unmap_single(bp->sdev->dev,
pci_unmap_addr(rp, mapping),
rp->skb->len,
- PCI_DMA_TODEVICE);
@@ -558,7 +558,7 @@ Index: linux-2.6.23/drivers/net/b44.c
- dma_sync_single_for_device(&bp->pdev->dev, bp->rx_ring_dma,
- DMA_TABLE_BYTES,
- PCI_DMA_BIDIRECTIONAL);
+ dma_sync_single_for_device(&bp->sdev->dev, bp->rx_ring_dma,
+ dma_sync_single_for_device(bp->sdev->dev, bp->rx_ring_dma,
+ DMA_TABLE_BYTES,
+ DMA_BIDIRECTIONAL);
@@ -566,7 +566,7 @@ Index: linux-2.6.23/drivers/net/b44.c
- dma_sync_single_for_device(&bp->pdev->dev, bp->tx_ring_dma,
- DMA_TABLE_BYTES,
- PCI_DMA_TODEVICE);
+ dma_sync_single_for_device(&bp->sdev->dev, bp->tx_ring_dma,
+ dma_sync_single_for_device(bp->sdev->dev, bp->tx_ring_dma,
+ DMA_TABLE_BYTES,
+ DMA_TO_DEVICE);
@@ -579,13 +579,13 @@ Index: linux-2.6.23/drivers/net/b44.c
- dma_unmap_single(&bp->pdev->dev, bp->rx_ring_dma,
- DMA_TABLE_BYTES,
- DMA_BIDIRECTIONAL);
+ dma_unmap_single(&bp->sdev->dev, bp->rx_ring_dma,
+ dma_unmap_single(bp->sdev->dev, bp->rx_ring_dma,
+ DMA_TABLE_BYTES,
+ DMA_BIDIRECTIONAL);
kfree(bp->rx_ring);
} else
- pci_free_consistent(bp->pdev, DMA_TABLE_BYTES,
+ dma_free_coherent(&bp->sdev->dev, DMA_TABLE_BYTES,
+ dma_free_coherent(bp->sdev->dev, DMA_TABLE_BYTES,
bp->rx_ring, bp->rx_ring_dma);
bp->rx_ring = NULL;
bp->flags &= ~B44_FLAG_RX_RING_HACK;
@@ -595,13 +595,13 @@ Index: linux-2.6.23/drivers/net/b44.c
- dma_unmap_single(&bp->pdev->dev, bp->tx_ring_dma,
- DMA_TABLE_BYTES,
- DMA_TO_DEVICE);
+ dma_unmap_single(&bp->sdev->dev, bp->tx_ring_dma,
+ dma_unmap_single(bp->sdev->dev, bp->tx_ring_dma,
+ DMA_TABLE_BYTES,
+ DMA_TO_DEVICE);
kfree(bp->tx_ring);
} else
- pci_free_consistent(bp->pdev, DMA_TABLE_BYTES,
+ dma_free_coherent(&bp->sdev->dev, DMA_TABLE_BYTES,
+ dma_free_coherent(bp->sdev->dev, DMA_TABLE_BYTES,
bp->tx_ring, bp->tx_ring_dma);
bp->tx_ring = NULL;
bp->flags &= ~B44_FLAG_TX_RING_HACK;
@@ -610,7 +610,7 @@ Index: linux-2.6.23/drivers/net/b44.c
size = DMA_TABLE_BYTES;
- bp->rx_ring = pci_alloc_consistent(bp->pdev, size, &bp->rx_ring_dma);
+ bp->rx_ring = dma_alloc_coherent(&bp->sdev->dev, size, &bp->rx_ring_dma, GFP_ATOMIC);
+ bp->rx_ring = dma_alloc_coherent(bp->sdev->dev, size, &bp->rx_ring_dma, GFP_ATOMIC);
if (!bp->rx_ring) {
/* Allocation may have failed due to pci_alloc_consistent
insisting on use of GFP_DMA, which is more restrictive
@@ -621,7 +621,7 @@ Index: linux-2.6.23/drivers/net/b44.c
- rx_ring_dma = dma_map_single(&bp->pdev->dev, rx_ring,
- DMA_TABLE_BYTES,
- DMA_BIDIRECTIONAL);
+ rx_ring_dma = dma_map_single(&bp->sdev->dev, rx_ring,
+ rx_ring_dma = dma_map_single(bp->sdev->dev, rx_ring,
+ DMA_TABLE_BYTES,
+ DMA_BIDIRECTIONAL);
@@ -632,7 +632,7 @@ Index: linux-2.6.23/drivers/net/b44.c
}
- bp->tx_ring = pci_alloc_consistent(bp->pdev, size, &bp->tx_ring_dma);
+ bp->tx_ring = dma_alloc_coherent(&bp->sdev->dev, size, &bp->tx_ring_dma, GFP_ATOMIC);
+ bp->tx_ring = dma_alloc_coherent(bp->sdev->dev, size, &bp->tx_ring_dma, GFP_ATOMIC);
if (!bp->tx_ring) {
- /* Allocation may have failed due to pci_alloc_consistent
+ /* Allocation may have failed due to dma_alloc_coherent
@@ -646,7 +646,7 @@ Index: linux-2.6.23/drivers/net/b44.c
- tx_ring_dma = dma_map_single(&bp->pdev->dev, tx_ring,
- DMA_TABLE_BYTES,
- DMA_TO_DEVICE);
+ tx_ring_dma = dma_map_single(&bp->sdev->dev, tx_ring,
+ tx_ring_dma = dma_map_single(bp->sdev->dev, tx_ring,
+ DMA_TABLE_BYTES,
+ DMA_TO_DEVICE);
@@ -1115,7 +1115,7 @@ Index: linux-2.6.23/drivers/net/b44.c
if (!is_valid_ether_addr(&bp->dev->dev_addr[0])){
printk(KERN_ERR PFX "Invalid MAC address found in EEPROM\n");
@@ -2086,26 +2282,20 @@
@@ -2086,103 +2282,52 @@
memcpy(bp->dev->perm_addr, bp->dev->dev_addr, bp->dev->addr_len);
@@ -1131,7 +1131,7 @@ Index: linux-2.6.23/drivers/net/b44.c
*/
- if (ssb_get_core_rev(bp) >= 7)
+ if (bp->sdev->dev->id.revision >= 7)
+ if (bp->sdev->id.revision >= 7)
bp->flags |= B44_FLAG_B0_ANDLATER;
-out:
@@ -1144,8 +1144,8 @@ Index: linux-2.6.23/drivers/net/b44.c
+ const struct ssb_device_id *ent)
{
static int b44_version_printed = 0;
unsigned long b44reg_base, b44reg_len;
@@ -2113,76 +2303,32 @@
- unsigned long b44reg_base, b44reg_len;
struct net_device *dev;
struct b44 *bp;
int err, i;
@@ -1195,7 +1195,8 @@ Index: linux-2.6.23/drivers/net/b44.c
-
dev = alloc_etherdev(sizeof(*bp));
if (!dev) {
dev_err(&pdev->dev, "Etherdev alloc failed, aborting.\n");
- dev_err(&pdev->dev, "Etherdev alloc failed, aborting.\n");
+ dev_err(sdev->dev, "Etherdev alloc failed, aborting.\n");
err = -ENOMEM;
- goto err_out_free_res;
+ goto out;
@@ -1203,7 +1204,7 @@ Index: linux-2.6.23/drivers/net/b44.c
SET_MODULE_OWNER(dev);
- SET_NETDEV_DEV(dev,&pdev->dev);
+ SET_NETDEV_DEV(dev,&sdev->dev);
+ SET_NETDEV_DEV(dev,sdev->dev);
/* No interesting netdevice features in this card... */
dev->features |= 0;
@@ -1227,7 +1228,7 @@ Index: linux-2.6.23/drivers/net/b44.c
bp->rx_pending = B44_DEF_RX_RING_PENDING;
bp->tx_pending = B44_DEF_TX_RING_PENDING;
@@ -2201,16 +2347,16 @@
@@ -2201,16 +2346,16 @@
dev->poll_controller = b44_poll_controller;
#endif
dev->change_mtu = b44_change_mtu;
@@ -1240,20 +1241,20 @@ Index: linux-2.6.23/drivers/net/b44.c
err = b44_get_invariants(bp);
if (err) {
- dev_err(&pdev->dev,
+ dev_err(&sdev->dev,
+ dev_err(sdev->dev,
"Problem fetching invariants of chip, aborting.\n");
- goto err_out_iounmap;
+ goto err_out_free_dev;
}
bp->mii_if.dev = dev;
@@ -2229,61 +2375,52 @@
@@ -2229,61 +2374,52 @@
err = register_netdev(dev);
if (err) {
- dev_err(&pdev->dev, "Cannot register net device, aborting.\n");
- goto err_out_iounmap;
+ dev_err(&sdev->dev, "Cannot register net device, aborting.\n");
+ dev_err(sdev->dev, "Cannot register net device, aborting.\n");
+ goto out;
}
@@ -1325,7 +1326,7 @@ Index: linux-2.6.23/drivers/net/b44.c
del_timer_sync(&bp->timer);
@@ -2301,26 +2438,16 @@
@@ -2301,33 +2437,22 @@
b44_init_hw(bp, B44_PARTIAL_RESET);
b44_setup_wol(bp);
}
@@ -1355,7 +1356,14 @@ Index: linux-2.6.23/drivers/net/b44.c
if (!netif_running(dev))
return 0;
@@ -2346,29 +2473,31 @@
rc = request_irq(dev->irq, b44_interrupt, IRQF_SHARED, dev->name, dev);
if (rc) {
printk(KERN_ERR PFX "%s: request_irq failed\n", dev->name);
- pci_disable_device(pdev);
return rc;
}
@@ -2346,29 +2471,31 @@
return 0;
}
@@ -1395,8 +1403,8 @@ Index: linux-2.6.23/drivers/net/b44.c
module_init(b44_init);
Index: linux-2.6.23/drivers/net/b44.h
===================================================================
--- linux-2.6.23.orig/drivers/net/b44.h 2007-10-09 22:31:38.000000000 +0200
+++ linux-2.6.23/drivers/net/b44.h 2007-10-13 02:28:25.848697310 +0200
--- linux-2.6.23.orig/drivers/net/b44.h 2007-10-13 10:58:27.880607722 +0200
+++ linux-2.6.23/drivers/net/b44.h 2007-10-13 11:00:46.904530245 +0200
@@ -129,6 +129,7 @@
#define RXCONFIG_FLOW 0x00000020 /* Flow Control Enable */
#define RXCONFIG_FLOW_ACCEPT 0x00000040 /* Accept Unicast Flow Control Frame */
@@ -1522,8 +1530,8 @@ Index: linux-2.6.23/drivers/net/b44.h
dma_addr_t rx_ring_dma, tx_ring_dma;
Index: linux-2.6.23/drivers/net/Kconfig
===================================================================
--- linux-2.6.23.orig/drivers/net/Kconfig 2007-10-13 02:19:47.919182188 +0200
+++ linux-2.6.23/drivers/net/Kconfig 2007-10-13 02:28:25.860697993 +0200
--- linux-2.6.23.orig/drivers/net/Kconfig 2007-10-13 10:58:27.888608180 +0200
+++ linux-2.6.23/drivers/net/Kconfig 2007-10-13 11:00:46.912530699 +0200
@@ -1577,7 +1577,7 @@
config B44