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author | Linus Torvalds <torvalds@g5.osdl.org> | 2006-06-20 20:01:16 -0700 |
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committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-06-20 20:01:16 -0700 |
commit | 34641a58a227e498adf471ab016bd054cc399d7e (patch) | |
tree | da1e0af965d06d0c6e13c546ac01f6a54a904d86 /drivers/ieee1394/dma.c | |
parent | 2eec0e0842ef747027eb9181d5f50d7157184d57 (diff) | |
parent | 7136b8073f0123918e3e50269ae021bbb09e1a81 (diff) | |
download | op-kernel-dev-34641a58a227e498adf471ab016bd054cc399d7e.zip op-kernel-dev-34641a58a227e498adf471ab016bd054cc399d7e.tar.gz |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/bcollins/linux1394-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/bcollins/linux1394-2.6: (28 commits)
eth1394: replace __constant_htons by htons
ieee1394: adjust code formatting in highlevel.c
ieee1394: hl_irqs_lock is taken in hardware interrupt context
ieee1394_core: switch to kthread API
ieee1394: sbp2: Kconfig fix
ieee1394: add preprocessor constant for invalid csr address
sbp2: fix deregistration of status fifo address space
[PATCH] eth1394: endian fixes
Fix broken suspend/resume in ohci1394
sbp2: use __attribute__((packed)) for on-the-wire structures
sbp2: provide helptext for CONFIG_IEEE1394_SBP2_PHYS_DMA and mark it experimental
Update feature removal of obsolete raw1394 ISO requests.
sbp2: fix S800 transfers if phys_dma is off
sbp2: remove ohci1394 specific constant
ohci1394: make phys_dma parameter read-only
ohci1394: set address range properties
ieee1394: extend lowlevel API for address range properties
sbp2: log number of supported concurrent logins
sbp2: remove manipulation of inquiry response
ieee1394: save RAM by using a single tlabel for broadcast transactions
...
Diffstat (limited to 'drivers/ieee1394/dma.c')
-rw-r--r-- | drivers/ieee1394/dma.c | 18 |
1 files changed, 9 insertions, 9 deletions
diff --git a/drivers/ieee1394/dma.c b/drivers/ieee1394/dma.c index 9fb2769..ca5167d 100644 --- a/drivers/ieee1394/dma.c +++ b/drivers/ieee1394/dma.c @@ -145,12 +145,12 @@ void dma_region_free(struct dma_region *dma) /* find the scatterlist index and remaining offset corresponding to a given offset from the beginning of the buffer */ static inline int dma_region_find(struct dma_region *dma, unsigned long offset, - unsigned long *rem) + unsigned int start, unsigned long *rem) { int i; unsigned long off = offset; - for (i = 0; i < dma->n_dma_pages; i++) { + for (i = start; i < dma->n_dma_pages; i++) { if (off < sg_dma_len(&dma->sglist[i])) { *rem = off; break; @@ -170,7 +170,7 @@ dma_addr_t dma_region_offset_to_bus(struct dma_region * dma, unsigned long rem = 0; struct scatterlist *sg = - &dma->sglist[dma_region_find(dma, offset, &rem)]; + &dma->sglist[dma_region_find(dma, offset, 0, &rem)]; return sg_dma_address(sg) + rem; } @@ -178,13 +178,13 @@ void dma_region_sync_for_cpu(struct dma_region *dma, unsigned long offset, unsigned long len) { int first, last; - unsigned long rem; + unsigned long rem = 0; if (!len) len = 1; - first = dma_region_find(dma, offset, &rem); - last = dma_region_find(dma, offset + len - 1, &rem); + first = dma_region_find(dma, offset, 0, &rem); + last = dma_region_find(dma, rem + len - 1, first, &rem); pci_dma_sync_sg_for_cpu(dma->dev, &dma->sglist[first], last - first + 1, dma->direction); @@ -194,13 +194,13 @@ void dma_region_sync_for_device(struct dma_region *dma, unsigned long offset, unsigned long len) { int first, last; - unsigned long rem; + unsigned long rem = 0; if (!len) len = 1; - first = dma_region_find(dma, offset, &rem); - last = dma_region_find(dma, offset + len - 1, &rem); + first = dma_region_find(dma, offset, 0, &rem); + last = dma_region_find(dma, rem + len - 1, first, &rem); pci_dma_sync_sg_for_device(dma->dev, &dma->sglist[first], last - first + 1, dma->direction); |