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
SVN-Revision: 9285
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
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.
+ 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);
+}
+ 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);
}
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);
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);
/* 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);
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;
}
+ 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);
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);
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);
}
- 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)
- 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;
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);
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);
- 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);
- 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);
- 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;
- 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;
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
- 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);
}
- 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
- 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);
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);
*/
- 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:
+ 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;
-
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;
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;
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;
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;
}
del_timer_sync(&bp->timer);
-@@ -2301,26 +2438,16 @@
+@@ -2301,33 +2437,22 @@
b44_init_hw(bp, B44_PARTIAL_RESET);
b44_setup_wol(bp);
}
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;
}
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 */
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
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
#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() */
/*
* 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();
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();
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();
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) {
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);
probe_pcache();
setup_scache();
-@@ -1273,5 +1359,13 @@
+@@ -1273,5 +1307,13 @@
build_clear_page();
build_copy_page();
local_r4k___flush_cache_all(NULL);
}
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
- }
-
-+#ifdef CONFIG_BCM947XX
-+extern int bcm4710;
-+#endif
-+
- static void __init build_r4000_tlb_refill_handler(void)
- {
- u32 *p = tlb_handler;
-@@ -1261,6 +1265,10 @@
- memset(relocs, 0, sizeof(relocs));
- memset(final_handler, 0, sizeof(final_handler));
+--- 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
+ 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_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)
+ {
+#ifdef CONFIG_BCM947XX
-+ i_nop(&p);
++ 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>
#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)
+++ /dev/null
-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;
- }
-
--- /dev/null
+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);
--- /dev/null
+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..
projects / openwrt / svn-archive / archive.git / commitdiff