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

Browse Source 
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
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
target/linux/brcm47xx/Makefile
View File

@ -11,7 +11,7 @@ BOARD:=brcm47xx
BOARDNAME:=Broadcom BCM947xx/953xx
FEATURES:=squashfs usb
LINUX_VERSION:=2.6.22.4
LINUX_VERSION:=2.6.23
include $(INCLUDE_DIR)/target.mk
DEFAULT_PACKAGES += kmod-switch kmod-diag

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

344
target/linux/brcm47xx/patches-2.6.23/150-cpu_fixes.patch
View File

@ -1,7 +1,7 @@
Index: linux-2.6.23/arch/mips/kernel/genex.S
===================================================================
--- linux-2.6.23.orig/arch/mips/kernel/genex.S 2007-10-09 22:31:38.000000000 +0200
+++ linux-2.6.23/arch/mips/kernel/genex.S 2007-10-13 02:47:32.546043867 +0200
--- linux-2.6.23.orig/arch/mips/kernel/genex.S 2007-10-13 11:29:46.219648163 +0200
+++ linux-2.6.23/arch/mips/kernel/genex.S 2007-10-13 11:29:49.619841933 +0200
@@ -51,6 +51,10 @@
NESTED(except_vec3_generic, 0, sp)
.set push
@ -15,8 +15,8 @@ Index: linux-2.6.23/arch/mips/kernel/genex.S
#endif
Index: linux-2.6.23/arch/mips/mm/c-r4k.c
===================================================================
--- linux-2.6.23.orig/arch/mips/mm/c-r4k.c 2007-10-13 02:47:02.792348301 +0200
+++ linux-2.6.23/arch/mips/mm/c-r4k.c 2007-10-13 02:55:35.877587360 +0200
--- linux-2.6.23.orig/arch/mips/mm/c-r4k.c 2007-10-13 11:29:46.227648623 +0200
+++ linux-2.6.23/arch/mips/mm/c-r4k.c 2007-10-13 11:29:49.619841933 +0200
@@ -30,6 +30,9 @@
#include <asm/cacheflush.h> /* for run_uncached() */
@ -27,19 +27,7 @@ Index: linux-2.6.23/arch/mips/mm/c-r4k.c
/*
* Special Variant of smp_call_function for use by cache functions:
*
@@ -86,14 +89,21 @@
static inline void r4k_blast_dcache_page_dc32(unsigned long addr)
{
+ unsigned long flags;
+
+ local_irq_save(flags);
R4600_HIT_CACHEOP_WAR_IMPL;
blast_dcache32_page(addr);
+ local_irq_restore(flags);
}
static void __init r4k_blast_dcache_page_setup(void)
@@ -94,6 +97,9 @@
{
unsigned long dc_lsize = cpu_dcache_line_size();
@ -49,7 +37,7 @@ Index: linux-2.6.23/arch/mips/mm/c-r4k.c
if (dc_lsize == 0)
r4k_blast_dcache_page = (void *)cache_noop;
else if (dc_lsize == 16)
@@ -108,6 +118,9 @@
@@ -108,6 +114,9 @@
{
unsigned long dc_lsize = cpu_dcache_line_size();
@ -59,7 +47,7 @@ Index: linux-2.6.23/arch/mips/mm/c-r4k.c
if (dc_lsize == 0)
r4k_blast_dcache_page_indexed = (void *)cache_noop;
else if (dc_lsize == 16)
@@ -122,6 +135,9 @@
@@ -122,6 +131,9 @@
{
unsigned long dc_lsize = cpu_dcache_line_size();
@ -69,274 +57,16 @@ Index: linux-2.6.23/arch/mips/mm/c-r4k.c
if (dc_lsize == 0)
r4k_blast_dcache = (void *)cache_noop;
else if (dc_lsize == 16)
@@ -203,8 +219,12 @@
static void (* r4k_blast_icache_page)(unsigned long addr);
+static void r4k_flush_cache_all(void);
static void __init r4k_blast_icache_page_setup(void)
{
+#ifdef CONFIG_BCM947XX
+ r4k_blast_icache_page = (void *)r4k_flush_cache_all;
+#else
unsigned long ic_lsize = cpu_icache_line_size();
if (ic_lsize == 0)
@@ -215,6 +235,7 @@
r4k_blast_icache_page = blast_icache32_page;
else if (ic_lsize == 64)
r4k_blast_icache_page = blast_icache64_page;
+#endif
}
@@ -222,6 +243,9 @@
static void __init r4k_blast_icache_page_indexed_setup(void)
{
+#ifdef CONFIG_BCM947XX
+ r4k_blast_icache_page_indexed = (void *)r4k_flush_cache_all;
+#else
unsigned long ic_lsize = cpu_icache_line_size();
if (ic_lsize == 0)
@@ -240,6 +264,7 @@
blast_icache32_page_indexed;
} else if (ic_lsize == 64)
r4k_blast_icache_page_indexed = blast_icache64_page_indexed;
+#endif
}
static void (* r4k_blast_icache)(void);
@@ -323,12 +348,17 @@
*/
static inline void local_r4k_flush_cache_all(void * args)
{
+ unsigned long flags;
+
+ local_irq_save(flags);
r4k_blast_dcache();
+ r4k_blast_icache();
+ local_irq_restore(flags);
}
static void r4k_flush_cache_all(void)
{
- if (!cpu_has_dc_aliases)
+ if (!cpu_has_dc_aliases && cpu_use_kmap_coherent)
return;
r4k_on_each_cpu(local_r4k_flush_cache_all, NULL, 1, 1);
@@ -336,6 +366,9 @@
static inline void local_r4k___flush_cache_all(void * args)
{
+ unsigned long flags;
+
+ local_irq_save(flags);
#if defined(CONFIG_CPU_LOONGSON2)
r4k_blast_scache();
return;
@@ -353,6 +386,7 @@
case CPU_R14000:
r4k_blast_scache();
}
+ local_irq_restore(flags);
}
static void r4k___flush_cache_all(void)
@@ -363,17 +397,21 @@
static inline void local_r4k_flush_cache_range(void * args)
{
struct vm_area_struct *vma = args;
+ unsigned long flags;
if (!(cpu_context(smp_processor_id(), vma->vm_mm)))
return;
+ local_irq_save(flags);
r4k_blast_dcache();
+ r4k_blast_icache();
+ local_irq_restore(flags);
}
static void r4k_flush_cache_range(struct vm_area_struct *vma,
unsigned long start, unsigned long end)
{
- if (!cpu_has_dc_aliases)
+ if (!cpu_has_dc_aliases && cpu_use_kmap_coherent)
return;
r4k_on_each_cpu(local_r4k_flush_cache_range, vma, 1, 1);
@@ -382,6 +420,7 @@
static inline void local_r4k_flush_cache_mm(void * args)
{
struct mm_struct *mm = args;
+ unsigned long flags;
if (!cpu_context(smp_processor_id(), mm))
return;
@@ -400,12 +439,15 @@
return;
}
+ local_irq_save(flags);
r4k_blast_dcache();
+ r4k_blast_icache();
+ local_irq_restore(flags);
}
static void r4k_flush_cache_mm(struct mm_struct *mm)
{
- if (!cpu_has_dc_aliases)
+ if (!cpu_has_dc_aliases && cpu_use_kmap_coherent)
return;
r4k_on_each_cpu(local_r4k_flush_cache_mm, mm, 1, 1);
@@ -425,6 +467,7 @@
unsigned long paddr = fcp_args->pfn << PAGE_SHIFT;
int exec = vma->vm_flags & VM_EXEC;
struct mm_struct *mm = vma->vm_mm;
+ unsigned long flags;
pgd_t *pgdp;
pud_t *pudp;
pmd_t *pmdp;
@@ -456,8 +499,9 @@
* for every cache flush operation. So we do indexed flushes
* in that case, which doesn't overly flush the cache too much.
*/
+ local_irq_save(flags);
if ((mm == current->active_mm) && (pte_val(*ptep) & _PAGE_VALID)) {
- if (cpu_has_dc_aliases || (exec && !cpu_has_ic_fills_f_dc)) {
+ if (!cpu_use_kmap_coherent || cpu_has_dc_aliases || (exec && !cpu_has_ic_fills_f_dc)) {
r4k_blast_dcache_page(addr);
if (exec && !cpu_icache_snoops_remote_store)
r4k_blast_scache_page(addr);
@@ -465,14 +509,14 @@
if (exec)
r4k_blast_icache_page(addr);
- return;
+ goto done;
}
/*
* Do indexed flush, too much work to get the (possible) TLB refills
* to work correctly.
*/
- if (cpu_has_dc_aliases || (exec && !cpu_has_ic_fills_f_dc)) {
+ if (!cpu_use_kmap_coherent || cpu_has_dc_aliases || (exec && !cpu_has_ic_fills_f_dc)) {
r4k_blast_dcache_page_indexed(cpu_has_pindexed_dcache ?
paddr : addr);
if (exec && !cpu_icache_snoops_remote_store) {
@@ -488,6 +532,8 @@
} else
r4k_blast_icache_page_indexed(addr);
}
+done:
+ local_irq_restore(flags);
}
static void r4k_flush_cache_page(struct vm_area_struct *vma,
@@ -504,7 +550,11 @@
static inline void local_r4k_flush_data_cache_page(void * addr)
{
+ unsigned long flags;
+
+ local_irq_save(flags);
r4k_blast_dcache_page((unsigned long) addr);
+ local_irq_restore(flags);
}
static void r4k_flush_data_cache_page(unsigned long addr)
@@ -547,6 +597,9 @@
static void r4k_flush_icache_range(unsigned long start, unsigned long end)
{
+#ifdef CONFIG_BCM947XX
+ r4k_flush_cache_all();
+#else
struct flush_icache_range_args args;
args.start = start;
@@ -554,12 +607,15 @@
r4k_on_each_cpu(local_r4k_flush_icache_range, &args, 1, 1);
instruction_hazard();
+#endif
}
#ifdef CONFIG_DMA_NONCOHERENT
static void r4k_dma_cache_wback_inv(unsigned long addr, unsigned long size)
{
+ unsigned long flags;
+
/* Catch bad driver code */
BUG_ON(size == 0);
@@ -576,18 +632,21 @@
* subset property so we have to flush the primary caches
* explicitly
*/
+ local_irq_save(flags);
if (size >= dcache_size) {
r4k_blast_dcache();
} else {
R4600_HIT_CACHEOP_WAR_IMPL;
blast_dcache_range(addr, addr + size);
}
-
bc_wback_inv(addr, size);
+ local_irq_restore(flags);
}
static void r4k_dma_cache_inv(unsigned long addr, unsigned long size)
{
+ unsigned long flags;
+
/* Catch bad driver code */
BUG_ON(size == 0);
@@ -599,6 +658,7 @@
return;
}
+ local_irq_save(flags);
if (size >= dcache_size) {
r4k_blast_dcache();
} else {
@@ -607,6 +667,7 @@
}
bc_inv(addr, size);
+ local_irq_restore(flags);
}
#endif /* CONFIG_DMA_NONCOHERENT */
@@ -621,8 +682,12 @@
unsigned long dc_lsize = cpu_dcache_line_size();
unsigned long sc_lsize = cpu_scache_line_size();
@@ -623,6 +635,8 @@
unsigned long addr = (unsigned long) arg;
+ unsigned long flags;
+ local_irq_save(flags);
R4600_HIT_CACHEOP_WAR_IMPL;
+ BCM4710_PROTECTED_FILL_TLB(addr);
+ BCM4710_PROTECTED_FILL_TLB(addr + 4);
if (dc_lsize)
protected_writeback_dcache_line(addr & ~(dc_lsize - 1));
if (!cpu_icache_snoops_remote_store && scache_size)
@@ -649,6 +714,7 @@
}
if (MIPS_CACHE_SYNC_WAR)
__asm__ __volatile__ ("sync");
+ local_irq_restore(flags);
}
static void r4k_flush_cache_sigtramp(unsigned long addr)
@@ -1198,6 +1264,17 @@
@@ -1198,6 +1212,17 @@
* silly idea of putting something else there ...
*/
switch (current_cpu_data.cputype) {
@ -354,7 +84,7 @@ Index: linux-2.6.23/arch/mips/mm/c-r4k.c
case CPU_R4000PC:
case CPU_R4000SC:
case CPU_R4000MC:
@@ -1228,6 +1305,15 @@
@@ -1228,6 +1253,15 @@
/* Default cache error handler for R4000 and R5000 family */
set_uncached_handler (0x100, &except_vec2_generic, 0x80);
@ -370,7 +100,7 @@ Index: linux-2.6.23/arch/mips/mm/c-r4k.c
probe_pcache();
setup_scache();
@@ -1273,5 +1359,13 @@
@@ -1273,5 +1307,13 @@
build_clear_page();
build_copy_page();
local_r4k___flush_cache_all(NULL);
@ -386,44 +116,32 @@ Index: linux-2.6.23/arch/mips/mm/c-r4k.c
}
Index: linux-2.6.23/arch/mips/mm/tlbex.c
===================================================================
--- linux-2.6.23.orig/arch/mips/mm/tlbex.c 2007-10-13 02:26:00.272401391 +0200
+++ linux-2.6.23/arch/mips/mm/tlbex.c 2007-10-13 02:47:32.550044103 +0200
@@ -1247,6 +1247,10 @@
#endif
}
--- linux-2.6.23.orig/arch/mips/mm/tlbex.c 2007-10-13 11:29:46.235649074 +0200
+++ linux-2.6.23/arch/mips/mm/tlbex.c 2007-10-13 11:35:46.076155216 +0200
@@ -1273,6 +1273,9 @@
/* No need for i_nop */
}
+#ifdef CONFIG_BCM947XX
+extern int bcm4710;
+ i_nop(&p);
+#endif
+
static void __init build_r4000_tlb_refill_handler(void)
#ifdef CONFIG_64BIT
build_get_pmde64(&p, &l, &r, K0, K1); /* get pmd in K1 */
#else
@@ -1708,6 +1711,9 @@
struct reloc **r, unsigned int pte,
unsigned int ptr)
{
u32 *p = tlb_handler;
@@ -1261,6 +1265,10 @@
memset(relocs, 0, sizeof(relocs));
memset(final_handler, 0, sizeof(final_handler));
+#ifdef CONFIG_BCM947XX
+ i_nop(&p);
+ i_nop(p);
+#endif
+
/*
* create the plain linear handler
*/
@@ -1756,6 +1764,9 @@
memset(labels, 0, sizeof(labels));
memset(relocs, 0, sizeof(relocs));
+#ifdef CONFIG_BCM947XX
+ i_nop(&p);
+#endif
if (bcm1250_m3_war()) {
i_MFC0(&p, K0, C0_BADVADDR);
i_MFC0(&p, K1, C0_ENTRYHI);
#ifdef CONFIG_64BIT
build_get_pmde64(p, l, r, pte, ptr); /* get pmd in ptr */
#else
Index: linux-2.6.23/include/asm-mips/r4kcache.h
===================================================================
--- linux-2.6.23.orig/include/asm-mips/r4kcache.h 2007-10-09 22:31:38.000000000 +0200
+++ linux-2.6.23/include/asm-mips/r4kcache.h 2007-10-13 02:47:32.554044332 +0200
--- linux-2.6.23.orig/include/asm-mips/r4kcache.h 2007-10-13 11:29:46.255650214 +0200
+++ linux-2.6.23/include/asm-mips/r4kcache.h 2007-10-13 11:29:49.631842613 +0200
@@ -17,6 +17,20 @@
#include <asm/cpu-features.h>
#include <asm/mipsmtregs.h>
@ -628,8 +346,8 @@ Index: linux-2.6.23/include/asm-mips/r4kcache.h
#endif /* _ASM_R4KCACHE_H */
Index: linux-2.6.23/include/asm-mips/stackframe.h
===================================================================
--- linux-2.6.23.orig/include/asm-mips/stackframe.h 2007-10-09 22:31:38.000000000 +0200
+++ linux-2.6.23/include/asm-mips/stackframe.h 2007-10-13 02:47:32.554044332 +0200
--- linux-2.6.23.orig/include/asm-mips/stackframe.h 2007-10-13 11:29:46.263650671 +0200
+++ linux-2.6.23/include/asm-mips/stackframe.h 2007-10-13 11:33:38.504885346 +0200
@@ -350,6 +350,10 @@
.macro RESTORE_SP_AND_RET
LONG_L sp, PT_R29(sp)

274
target/linux/brcm47xx/patches-2.6.23/200-b44_ssb_fixup.patch
View File

@ -1,274 +0,0 @@
Index: linux-2.6.23/drivers/net/b44.c
===================================================================
--- linux-2.6.23.orig/drivers/net/b44.c 2007-10-13 02:46:38.946989430 +0200
+++ linux-2.6.23/drivers/net/b44.c 2007-10-13 03:15:34.889915180 +0200
@@ -129,7 +129,7 @@
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);
}
@@ -139,7 +139,7 @@
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);
}
@@ -563,7 +563,7 @@
BUG_ON(skb == NULL);
- dma_unmap_single(&bp->sdev->dev,
+ dma_unmap_single(bp->sdev->dev,
pci_unmap_addr(rp, mapping),
skb->len,
DMA_TO_DEVICE);
@@ -603,7 +603,7 @@
if (skb == NULL)
return -ENOMEM;
- mapping = dma_map_single(&bp->sdev->dev, skb->data,
+ mapping = dma_map_single(bp->sdev->dev, skb->data,
RX_PKT_BUF_SZ,
DMA_FROM_DEVICE);
@@ -613,18 +613,18 @@
mapping + RX_PKT_BUF_SZ > DMA_30BIT_MASK) {
/* Sigh... */
if (!dma_mapping_error(mapping))
- 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 = dma_map_single(&bp->sdev->dev, skb->data,
+ mapping = dma_map_single(bp->sdev->dev, skb->data,
RX_PKT_BUF_SZ,
DMA_FROM_DEVICE);
if (dma_mapping_error(mapping) ||
mapping + RX_PKT_BUF_SZ > DMA_30BIT_MASK) {
if (!dma_mapping_error(mapping))
- 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;
}
@@ -700,7 +700,7 @@
dest_idx * sizeof(dest_desc),
DMA_BIDIRECTIONAL);
- 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,
DMA_FROM_DEVICE);
}
@@ -722,7 +722,7 @@
struct rx_header *rh;
u16 len;
- dma_sync_single_for_cpu(&bp->sdev->dev, map,
+ dma_sync_single_for_cpu(bp->sdev->dev, map,
RX_PKT_BUF_SZ,
DMA_FROM_DEVICE);
rh = (struct rx_header *) skb->data;
@@ -756,7 +756,7 @@
skb_size = b44_alloc_rx_skb(bp, cons, bp->rx_prod);
if (skb_size < 0)
goto drop_it;
- 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);
@@ -928,23 +928,23 @@
goto err_out;
}
- 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))
- 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)
goto err_out;
- 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))
- 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;
@@ -1043,7 +1043,7 @@
if (rp->skb == NULL)
continue;
- dma_unmap_single(&bp->sdev->dev,
+ dma_unmap_single(bp->sdev->dev,
pci_unmap_addr(rp, mapping),
RX_PKT_BUF_SZ,
DMA_FROM_DEVICE);
@@ -1057,7 +1057,7 @@
if (rp->skb == NULL)
continue;
- dma_unmap_single(&bp->sdev->dev,
+ dma_unmap_single(bp->sdev->dev,
pci_unmap_addr(rp, mapping),
rp->skb->len,
DMA_TO_DEVICE);
@@ -1082,12 +1082,12 @@
memset(bp->tx_ring, 0, B44_TX_RING_BYTES);
if (bp->flags & B44_FLAG_RX_RING_HACK)
- 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);
if (bp->flags & B44_FLAG_TX_RING_HACK)
- 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);
@@ -1109,24 +1109,24 @@
bp->tx_buffers = NULL;
if (bp->rx_ring) {
if (bp->flags & B44_FLAG_RX_RING_HACK) {
- 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
- 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;
}
if (bp->tx_ring) {
if (bp->flags & B44_FLAG_TX_RING_HACK) {
- 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
- 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;
@@ -1152,7 +1152,7 @@
goto out_err;
size = DMA_TABLE_BYTES;
- 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
@@ -1164,7 +1164,7 @@
if (!rx_ring)
goto out_err;
- 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);
@@ -1179,7 +1179,7 @@
bp->flags |= B44_FLAG_RX_RING_HACK;
}
- 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 dma_alloc_coherent
insisting on use of GFP_DMA, which is more restrictive
@@ -1191,7 +1191,7 @@
if (!tx_ring)
goto out_err;
- 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);
@@ -2288,7 +2288,7 @@
bp->flags |= B44_FLAG_BUGGY_TXPTR;
*/
- if (bp->sdev->dev->id.revision >= 7)
+ if (bp->sdev->id.revision >= 7)
bp->flags |= B44_FLAG_B0_ANDLATER;
return err;
@@ -2298,7 +2298,6 @@
const struct ssb_device_id *ent)
{
static int b44_version_printed = 0;
- unsigned long b44reg_base, b44reg_len;
struct net_device *dev;
struct b44 *bp;
int err, i;
@@ -2310,13 +2309,13 @@
dev = alloc_etherdev(sizeof(*bp));
if (!dev) {
- dev_err(&pdev->dev, "Etherdev alloc failed, aborting.\n");
+ dev_err(sdev->dev, "Etherdev alloc failed, aborting.\n");
err = -ENOMEM;
goto out;
}
SET_MODULE_OWNER(dev);
- SET_NETDEV_DEV(dev,&sdev->dev);
+ SET_NETDEV_DEV(dev,sdev->dev);
/* No interesting netdevice features in this card... */
dev->features |= 0;
@@ -2354,7 +2353,7 @@
err = b44_get_invariants(bp);
if (err) {
- dev_err(&sdev->dev,
+ dev_err(sdev->dev,
"Problem fetching invariants of chip, aborting.\n");
goto err_out_free_dev;
}
@@ -2375,7 +2374,7 @@
err = register_netdev(dev);
if (err) {
- dev_err(&sdev->dev, "Cannot register net device, aborting.\n");
+ dev_err(sdev->dev, "Cannot register net device, aborting.\n");
goto out;
}
@@ -2454,7 +2453,6 @@
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;
}

13
target/linux/brcm47xx/patches-2.6.23/300-fork_cacheflush.patch Normal file
View File

@ -0,0 +1,13 @@
Index: linux-2.6.23/include/asm-mips/cacheflush.h
===================================================================
--- linux-2.6.23.orig/include/asm-mips/cacheflush.h 2007-10-13 11:01:52.780284289 +0200
+++ linux-2.6.23/include/asm-mips/cacheflush.h 2007-10-13 11:02:16.289624011 +0200
@@ -32,7 +32,7 @@
extern void (*flush_cache_all)(void);
extern void (*__flush_cache_all)(void);
extern void (*flush_cache_mm)(struct mm_struct *mm);
-#define flush_cache_dup_mm(mm) do { (void) (mm); } while (0)
+#define flush_cache_dup_mm(mm) flush_cache_mm(mm)
extern void (*flush_cache_range)(struct vm_area_struct *vma,
unsigned long start, unsigned long end);
extern void (*flush_cache_page)(struct vm_area_struct *vma, unsigned long page, unsigned long pfn);

71
target/linux/brcm47xx/patches-2.6.23/310-no_highpage.patch Normal file
View File

@ -0,0 +1,71 @@
Index: linux-2.6.23/arch/mips/mm/init.c
===================================================================
--- linux-2.6.23.orig/arch/mips/mm/init.c 2007-10-13 11:46:58.762489429 +0200
+++ linux-2.6.23/arch/mips/mm/init.c 2007-10-13 11:47:36.092616749 +0200
@@ -205,31 +205,6 @@
preempt_check_resched();
}
-void copy_user_highpage(struct page *to, struct page *from,
- unsigned long vaddr, struct vm_area_struct *vma)
-{
- void *vfrom, *vto;
-
- vto = kmap_atomic(to, KM_USER1);
- if (cpu_has_dc_aliases && cpu_use_kmap_coherent && !Page_dcache_dirty(from)) {
- vfrom = kmap_coherent(from, vaddr);
- copy_page(vto, vfrom);
- kunmap_coherent();
- } else {
- vfrom = kmap_atomic(from, KM_USER0);
- copy_page(vto, vfrom);
- kunmap_atomic(vfrom, KM_USER0);
- }
- if (((vma->vm_flags & VM_EXEC) && !cpu_has_ic_fills_f_dc) ||
- pages_do_alias((unsigned long)vto, vaddr & PAGE_MASK))
- flush_data_cache_page((unsigned long)vto);
- kunmap_atomic(vto, KM_USER1);
- /* Make sure this page is cleared on other CPU's too before using it */
- smp_wmb();
-}
-
-EXPORT_SYMBOL(copy_user_highpage);
-
void copy_to_user_page(struct vm_area_struct *vma,
struct page *page, unsigned long vaddr, void *dst, const void *src,
unsigned long len)
Index: linux-2.6.23/include/asm-mips/page.h
===================================================================
--- linux-2.6.23.orig/include/asm-mips/page.h 2007-10-13 11:45:50.518600430 +0200
+++ linux-2.6.23/include/asm-mips/page.h 2007-10-13 11:47:26.472068504 +0200
@@ -35,6 +35,7 @@
#ifndef __ASSEMBLY__
#include <linux/pfn.h>
+#include <asm/cpu-features.h>
#include <asm/io.h>
/*
@@ -67,13 +68,16 @@
flush_data_cache_page((unsigned long)addr);
}
-extern void copy_user_page(void *vto, void *vfrom, unsigned long vaddr,
- struct page *to);
-struct vm_area_struct;
-extern void copy_user_highpage(struct page *to, struct page *from,
- unsigned long vaddr, struct vm_area_struct *vma);
+static inline void copy_user_page(void *vto, void *vfrom, unsigned long vaddr,
+ struct page *to)
+{
+ extern void (*flush_data_cache_page)(unsigned long addr);
-#define __HAVE_ARCH_COPY_USER_HIGHPAGE
+ copy_page(vto, vfrom);
+ if (!cpu_has_ic_fills_f_dc ||
+ pages_do_alias((unsigned long)vto, vaddr & PAGE_MASK))
+ flush_data_cache_page((unsigned long)vto);
+}
/*
* These are used to make use of C type-checking..