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authorIngo Molnar <mingo@elte.hu>2008-10-28 16:54:49 +0100
committerIngo Molnar <mingo@elte.hu>2008-10-28 16:54:49 +0100
commitd1a76187a5be4f89c6cb19d800cb5fb7aac735c5 (patch)
tree2fac3ffbfffc7560eeef8364b541d0d7a0057920 /arch/frv/mb93090-mb00
parentlockstat: contend with points (diff)
parentLinux 2.6.28-rc2 (diff)
downloadlinux-d1a76187a5be4f89c6cb19d800cb5fb7aac735c5.tar.xz
linux-d1a76187a5be4f89c6cb19d800cb5fb7aac735c5.zip
Merge commit 'v2.6.28-rc2' into core/locking
Conflicts: arch/um/include/asm/system.h
Diffstat (limited to 'arch/frv/mb93090-mb00')
-rw-r--r--arch/frv/mb93090-mb00/pci-dma-nommu.c23
-rw-r--r--arch/frv/mb93090-mb00/pci-dma.c11
-rw-r--r--arch/frv/mb93090-mb00/pci-frv.c32
-rw-r--r--arch/frv/mb93090-mb00/pci-frv.h1
-rw-r--r--arch/frv/mb93090-mb00/pci-vdk.c2
5 files changed, 30 insertions, 39 deletions
diff --git a/arch/frv/mb93090-mb00/pci-dma-nommu.c b/arch/frv/mb93090-mb00/pci-dma-nommu.c
index 64ee58d748be..52ff9aec799d 100644
--- a/arch/frv/mb93090-mb00/pci-dma-nommu.c
+++ b/arch/frv/mb93090-mb00/pci-dma-nommu.c
@@ -111,7 +111,7 @@ EXPORT_SYMBOL(dma_free_coherent);
* The 32-bit bus address to use is returned.
*
* Once the device is given the dma address, the device owns this memory
- * until either pci_unmap_single or pci_dma_sync_single is performed.
+ * until either dma_unmap_single or pci_dma_sync_single is performed.
*/
dma_addr_t dma_map_single(struct device *dev, void *ptr, size_t size,
enum dma_data_direction direction)
@@ -129,7 +129,7 @@ EXPORT_SYMBOL(dma_map_single);
/*
* Map a set of buffers described by scatterlist in streaming
* mode for DMA. This is the scather-gather version of the
- * above pci_map_single interface. Here the scatter gather list
+ * above dma_map_single interface. Here the scatter gather list
* elements are each tagged with the appropriate dma address
* and length. They are obtained via sg_dma_{address,length}(SG).
*
@@ -139,7 +139,7 @@ EXPORT_SYMBOL(dma_map_single);
* The routine returns the number of addr/length pairs actually
* used, at most nents.
*
- * Device ownership issues as mentioned above for pci_map_single are
+ * Device ownership issues as mentioned above for dma_map_single are
* the same here.
*/
int dma_map_sg(struct device *dev, struct scatterlist *sg, int nents,
@@ -158,3 +158,20 @@ int dma_map_sg(struct device *dev, struct scatterlist *sg, int nents,
}
EXPORT_SYMBOL(dma_map_sg);
+
+/*
+ * Map a single page of the indicated size for DMA in streaming mode.
+ * The 32-bit bus address to use is returned.
+ *
+ * Device ownership issues as mentioned above for dma_map_single are
+ * the same here.
+ */
+dma_addr_t dma_map_page(struct device *dev, struct page *page, unsigned long offset,
+ size_t size, enum dma_data_direction direction)
+{
+ BUG_ON(direction == DMA_NONE);
+ flush_dcache_page(page);
+ return (dma_addr_t) page_to_phys(page) + offset;
+}
+
+EXPORT_SYMBOL(dma_map_page);
diff --git a/arch/frv/mb93090-mb00/pci-dma.c b/arch/frv/mb93090-mb00/pci-dma.c
index 662f7b12d005..3ddedebc4eb3 100644
--- a/arch/frv/mb93090-mb00/pci-dma.c
+++ b/arch/frv/mb93090-mb00/pci-dma.c
@@ -61,7 +61,7 @@ EXPORT_SYMBOL(dma_map_single);
/*
* Map a set of buffers described by scatterlist in streaming
* mode for DMA. This is the scather-gather version of the
- * above pci_map_single interface. Here the scatter gather list
+ * above dma_map_single interface. Here the scatter gather list
* elements are each tagged with the appropriate dma address
* and length. They are obtained via sg_dma_{address,length}(SG).
*
@@ -71,7 +71,7 @@ EXPORT_SYMBOL(dma_map_single);
* The routine returns the number of addr/length pairs actually
* used, at most nents.
*
- * Device ownership issues as mentioned above for pci_map_single are
+ * Device ownership issues as mentioned above for dma_map_single are
* the same here.
*/
int dma_map_sg(struct device *dev, struct scatterlist *sg, int nents,
@@ -105,6 +105,13 @@ int dma_map_sg(struct device *dev, struct scatterlist *sg, int nents,
EXPORT_SYMBOL(dma_map_sg);
+/*
+ * Map a single page of the indicated size for DMA in streaming mode.
+ * The 32-bit bus address to use is returned.
+ *
+ * Device ownership issues as mentioned above for dma_map_single are
+ * the same here.
+ */
dma_addr_t dma_map_page(struct device *dev, struct page *page, unsigned long offset,
size_t size, enum dma_data_direction direction)
{
diff --git a/arch/frv/mb93090-mb00/pci-frv.c b/arch/frv/mb93090-mb00/pci-frv.c
index edae117fcc2b..43d67534c712 100644
--- a/arch/frv/mb93090-mb00/pci-frv.c
+++ b/arch/frv/mb93090-mb00/pci-frv.c
@@ -201,38 +201,6 @@ void __init pcibios_resource_survey(void)
pcibios_assign_resources();
}
-int pcibios_enable_resources(struct pci_dev *dev, int mask)
-{
- u16 cmd, old_cmd;
- int idx;
- struct resource *r;
-
- pci_read_config_word(dev, PCI_COMMAND, &cmd);
- old_cmd = cmd;
- for(idx=0; idx<6; idx++) {
- /* Only set up the requested stuff */
- if (!(mask & (1<<idx)))
- continue;
-
- r = &dev->resource[idx];
- if (!r->start && r->end) {
- printk(KERN_ERR "PCI: Device %s not available because of resource collisions\n", pci_name(dev));
- return -EINVAL;
- }
- if (r->flags & IORESOURCE_IO)
- cmd |= PCI_COMMAND_IO;
- if (r->flags & IORESOURCE_MEM)
- cmd |= PCI_COMMAND_MEMORY;
- }
- if (dev->resource[PCI_ROM_RESOURCE].start)
- cmd |= PCI_COMMAND_MEMORY;
- if (cmd != old_cmd) {
- printk("PCI: Enabling device %s (%04x -> %04x)\n", pci_name(dev), old_cmd, cmd);
- pci_write_config_word(dev, PCI_COMMAND, cmd);
- }
- return 0;
-}
-
/*
* If we set up a device for bus mastering, we need to check the latency
* timer as certain crappy BIOSes forget to set it properly.
diff --git a/arch/frv/mb93090-mb00/pci-frv.h b/arch/frv/mb93090-mb00/pci-frv.h
index 0c7bf39dc729..f3fe55914793 100644
--- a/arch/frv/mb93090-mb00/pci-frv.h
+++ b/arch/frv/mb93090-mb00/pci-frv.h
@@ -29,7 +29,6 @@ extern unsigned int __nongpreldata pci_probe;
extern unsigned int pcibios_max_latency;
void pcibios_resource_survey(void);
-int pcibios_enable_resources(struct pci_dev *, int);
/* pci-vdk.c */
diff --git a/arch/frv/mb93090-mb00/pci-vdk.c b/arch/frv/mb93090-mb00/pci-vdk.c
index f003cfa68b7a..0f41c3a72da5 100644
--- a/arch/frv/mb93090-mb00/pci-vdk.c
+++ b/arch/frv/mb93090-mb00/pci-vdk.c
@@ -412,7 +412,7 @@ int pcibios_enable_device(struct pci_dev *dev, int mask)
{
int err;
- if ((err = pcibios_enable_resources(dev, mask)) < 0)
+ if ((err = pci_enable_resources(dev, mask)) < 0)
return err;
if (!dev->msi_enabled)
pcibios_enable_irq(dev);