sh: convert /proc/cpu/aligmnent, /proc/cpu/kernel_alignment to seq_file

[safe/jmp/linux-2.6] / Documentation / DMA-mapping.txt

diff --git a/Documentation/DMA-mapping.txt b/Documentation/DMA-mapping.txt
index b463ecd..01f24e9 100644 (file)
--- a/Documentation/DMA-mapping.txt
+++ b/Documentation/DMA-mapping.txt
@@ -26,7 +26,7 @@ mapped only for the time they are actually used and unmapped after the DMA
 transfer.
 
 The following API will work of course even on platforms where no such
-hardware exists, see e.g. include/asm-i386/pci.h for how it is implemented on
+hardware exists, see e.g. arch/x86/include/asm/pci.h for how it is implemented on
 top of the virt_to_bus interface.
 
 First of all, you should make sure
@@ -136,7 +136,7 @@ exactly why.
 The standard 32-bit addressing PCI device would do something like
 this:
 
-       if (pci_set_dma_mask(pdev, DMA_32BIT_MASK)) {
+       if (pci_set_dma_mask(pdev, DMA_BIT_MASK(32))) {
                printk(KERN_WARNING
                       "mydev: No suitable DMA available.\n");
                goto ignore_this_device;
@@ -155,9 +155,9 @@ all 64-bits when accessing streaming DMA:
 
        int using_dac;
 
-       if (!pci_set_dma_mask(pdev, DMA_64BIT_MASK)) {
+       if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(64))) {
                using_dac = 1;
-       } else if (!pci_set_dma_mask(pdev, DMA_32BIT_MASK)) {
+       } else if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(32))) {
                using_dac = 0;
        } else {
                printk(KERN_WARNING
@@ -170,14 +170,14 @@ the case would look like this:
 
        int using_dac, consistent_using_dac;
 
-       if (!pci_set_dma_mask(pdev, DMA_64BIT_MASK)) {
+       if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(64))) {
                using_dac = 1;
                consistent_using_dac = 1;
-               pci_set_consistent_dma_mask(pdev, DMA_64BIT_MASK);
-       } else if (!pci_set_dma_mask(pdev, DMA_32BIT_MASK)) {
+               pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64));
+       } else if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(32))) {
                using_dac = 0;
                consistent_using_dac = 0;
-               pci_set_consistent_dma_mask(pdev, DMA_32BIT_MASK);
+               pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32));
        } else {
                printk(KERN_WARNING
                       "mydev: No suitable DMA available.\n");
@@ -192,7 +192,7 @@ check the return value from pci_set_consistent_dma_mask().
 Finally, if your device can only drive the low 24-bits of
 address during PCI bus mastering you might do something like:
 
-       if (pci_set_dma_mask(pdev, DMA_24BIT_MASK)) {
+       if (pci_set_dma_mask(pdev, DMA_BIT_MASK(24))) {
                printk(KERN_WARNING
                       "mydev: 24-bit DMA addressing not available.\n");
                goto ignore_this_device;
@@ -213,7 +213,7 @@ most specific mask.
 
 Here is pseudo-code showing how this might be done:
 
-       #define PLAYBACK_ADDRESS_BITS   DMA_32BIT_MASK
+       #define PLAYBACK_ADDRESS_BITS   DMA_BIT_MASK(32)
        #define RECORD_ADDRESS_BITS     0x00ffffff
 
        struct my_sound_card *card;
@@ -740,7 +740,7 @@ failure can be determined by:
        dma_addr_t dma_handle;
 
        dma_handle = pci_map_single(pdev, addr, size, direction);
-       if (pci_dma_mapping_error(dma_handle)) {
+       if (pci_dma_mapping_error(pdev, dma_handle)) {
                /*
                 * reduce current DMA mapping usage,
                 * delay and try again later or