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ieee1394/dma: LIndent fixes
This patch contains fixes by LIndent. Signed-off-by: Jens-Michael Hoffmann <jensmh@gmx.de> Signed-off-by: Jody McIntyre <scjody@modernduck.com>
This commit is contained in:
Jens-Michael Hoffmann
Jody McIntyre
parent
a96074e76f
commit
6649e92d79
@ -23,7 +23,8 @@ void dma_prog_region_init(struct dma_prog_region *prog)
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prog->bus_addr = 0;
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}
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int dma_prog_region_alloc(struct dma_prog_region *prog, unsigned long n_bytes, struct pci_dev *dev)
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int dma_prog_region_alloc(struct dma_prog_region *prog, unsigned long n_bytes,
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struct pci_dev *dev)
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{
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/* round up to page size */
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n_bytes = PAGE_ALIGN(n_bytes);
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@ -32,7 +33,8 @@ int dma_prog_region_alloc(struct dma_prog_region *prog, unsigned long n_bytes,
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prog->kvirt = pci_alloc_consistent(dev, n_bytes, &prog->bus_addr);
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if (!prog->kvirt) {
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printk(KERN_ERR "dma_prog_region_alloc: pci_alloc_consistent() failed\n");
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printk(KERN_ERR
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"dma_prog_region_alloc: pci_alloc_consistent() failed\n");
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dma_prog_region_free(prog);
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return -ENOMEM;
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}
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@ -45,7 +47,8 @@ int dma_prog_region_alloc(struct dma_prog_region *prog, unsigned long n_bytes,
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void dma_prog_region_free(struct dma_prog_region *prog)
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{
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if (prog->kvirt) {
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pci_free_consistent(prog->dev, prog->n_pages << PAGE_SHIFT, prog->kvirt, prog->bus_addr);
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pci_free_consistent(prog->dev, prog->n_pages << PAGE_SHIFT,
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prog->kvirt, prog->bus_addr);
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}
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prog->kvirt = NULL;
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@ -65,7 +68,8 @@ void dma_region_init(struct dma_region *dma)
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dma->sglist = NULL;
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}
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int dma_region_alloc(struct dma_region *dma, unsigned long n_bytes, struct pci_dev *dev, int direction)
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int dma_region_alloc(struct dma_region *dma, unsigned long n_bytes,
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struct pci_dev *dev, int direction)
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{
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unsigned int i;
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@ -95,14 +99,16 @@ int dma_region_alloc(struct dma_region *dma, unsigned long n_bytes, struct pci_d
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/* fill scatter/gather list with pages */
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for (i = 0; i < dma->n_pages; i++) {
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unsigned long va = (unsigned long) dma->kvirt + (i << PAGE_SHIFT);
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unsigned long va =
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(unsigned long)dma->kvirt + (i << PAGE_SHIFT);
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dma->sglist[i].page = vmalloc_to_page((void *)va);
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dma->sglist[i].length = PAGE_SIZE;
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}
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/* map sglist to the IOMMU */
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dma->n_dma_pages = pci_map_sg(dev, dma->sglist, dma->n_pages, direction);
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dma->n_dma_pages =
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pci_map_sg(dev, dma->sglist, dma->n_pages, direction);
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if (dma->n_dma_pages == 0) {
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printk(KERN_ERR "dma_region_alloc: pci_map_sg() failed\n");
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@ -114,7 +120,7 @@ int dma_region_alloc(struct dma_region *dma, unsigned long n_bytes, struct pci_d
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return 0;
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err:
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err:
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dma_region_free(dma);
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return -ENOMEM;
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}
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@ -122,7 +128,8 @@ err:
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void dma_region_free(struct dma_region *dma)
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{
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if (dma->n_dma_pages) {
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pci_unmap_sg(dma->dev, dma->sglist, dma->n_pages, dma->direction);
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pci_unmap_sg(dma->dev, dma->sglist, dma->n_pages,
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dma->direction);
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dma->n_dma_pages = 0;
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dma->dev = NULL;
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}
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@ -137,7 +144,8 @@ void dma_region_free(struct dma_region *dma)
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/* find the scatterlist index and remaining offset corresponding to a
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given offset from the beginning of the buffer */
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static inline int dma_region_find(struct dma_region *dma, unsigned long offset, unsigned long *rem)
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static inline int dma_region_find(struct dma_region *dma, unsigned long offset,
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unsigned long *rem)
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{
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int i;
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unsigned long off = offset;
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@ -156,15 +164,18 @@ static inline int dma_region_find(struct dma_region *dma, unsigned long offset,
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return i;
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}
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dma_addr_t dma_region_offset_to_bus(struct dma_region *dma, unsigned long offset)
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dma_addr_t dma_region_offset_to_bus(struct dma_region * dma,
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unsigned long offset)
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{
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unsigned long rem = 0;
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struct scatterlist *sg = &dma->sglist[dma_region_find(dma, offset, &rem)];
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struct scatterlist *sg =
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&dma->sglist[dma_region_find(dma, offset, &rem)];
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return sg_dma_address(sg) + rem;
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}
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void dma_region_sync_for_cpu(struct dma_region *dma, unsigned long offset, unsigned long len)
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void dma_region_sync_for_cpu(struct dma_region *dma, unsigned long offset,
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unsigned long len)
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{
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int first, last;
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unsigned long rem;
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@ -175,10 +186,12 @@ void dma_region_sync_for_cpu(struct dma_region *dma, unsigned long offset, unsig
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first = dma_region_find(dma, offset, &rem);
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last = dma_region_find(dma, offset + len - 1, &rem);
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pci_dma_sync_sg_for_cpu(dma->dev, &dma->sglist[first], last - first + 1, dma->direction);
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pci_dma_sync_sg_for_cpu(dma->dev, &dma->sglist[first], last - first + 1,
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dma->direction);
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}
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void dma_region_sync_for_device(struct dma_region *dma, unsigned long offset, unsigned long len)
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void dma_region_sync_for_device(struct dma_region *dma, unsigned long offset,
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unsigned long len)
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{
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int first, last;
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unsigned long rem;
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@ -189,44 +202,47 @@ void dma_region_sync_for_device(struct dma_region *dma, unsigned long offset, un
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first = dma_region_find(dma, offset, &rem);
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last = dma_region_find(dma, offset + len - 1, &rem);
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pci_dma_sync_sg_for_device(dma->dev, &dma->sglist[first], last - first + 1, dma->direction);
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pci_dma_sync_sg_for_device(dma->dev, &dma->sglist[first],
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last - first + 1, dma->direction);
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}
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#ifdef CONFIG_MMU
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/* nopage() handler for mmap access */
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static struct page*
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dma_region_pagefault(struct vm_area_struct *area, unsigned long address, int *type)
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static struct page *dma_region_pagefault(struct vm_area_struct *area,
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unsigned long address, int *type)
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{
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unsigned long offset;
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unsigned long kernel_virt_addr;
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struct page *ret = NOPAGE_SIGBUS;
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struct dma_region *dma = (struct dma_region*) area->vm_private_data;
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struct dma_region *dma = (struct dma_region *)area->vm_private_data;
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if (!dma->kvirt)
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goto out;
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if ( (address < (unsigned long) area->vm_start) ||
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(address > (unsigned long) area->vm_start + (dma->n_pages << PAGE_SHIFT)) )
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if ((address < (unsigned long)area->vm_start) ||
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(address >
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(unsigned long)area->vm_start + (dma->n_pages << PAGE_SHIFT)))
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goto out;
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if (type)
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*type = VM_FAULT_MINOR;
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offset = address - area->vm_start;
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kernel_virt_addr = (unsigned long) dma->kvirt + offset;
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ret = vmalloc_to_page((void*) kernel_virt_addr);
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kernel_virt_addr = (unsigned long)dma->kvirt + offset;
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ret = vmalloc_to_page((void *)kernel_virt_addr);
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get_page(ret);
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out:
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out:
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return ret;
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}
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static struct vm_operations_struct dma_region_vm_ops = {
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.nopage = dma_region_pagefault,
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.nopage = dma_region_pagefault,
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};
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int dma_region_mmap(struct dma_region *dma, struct file *file, struct vm_area_struct *vma)
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int dma_region_mmap(struct dma_region *dma, struct file *file,
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struct vm_area_struct *vma)
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{
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unsigned long size;
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@ -250,11 +266,12 @@ int dma_region_mmap(struct dma_region *dma, struct file *file, struct vm_area_st
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return 0;
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}
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#else /* CONFIG_MMU */
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#else /* CONFIG_MMU */
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int dma_region_mmap(struct dma_region *dma, struct file *file, struct vm_area_struct *vma)
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int dma_region_mmap(struct dma_region *dma, struct file *file,
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struct vm_area_struct *vma)
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{
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return -EINVAL;
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}
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#endif /* CONFIG_MMU */
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#endif /* CONFIG_MMU */
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