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authorLinus Torvalds <torvalds@linux-foundation.org>2012-05-24 12:57:47 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2012-05-24 12:57:47 -0700
commit2f78d8e249973f1eeb88315e6444e616c60177ae (patch)
tree2f6fae6c781622301c40378ea404096d8f231a33 /include/linux/firewire.h
parentf2fde3a65e88330017b816faf2ef75f141d21375 (diff)
parent26c72e22c94fbc28604c94e3a96fdae9c6fd0a42 (diff)
Merge tag 'firewire-updates' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394
Pull IEEE 1394 (FireWire) subsystem updates from Stefan Richter: - Fix mismatch between DMA mapping direction (was wrong) and DMA synchronization direction (was correct) of isochronous reception buffers of userspace drivers if vma-mapped for R/W access. For example, libdc1394 was affected. - more consistent retry stategy in device discovery/ rediscovery, and improved failure diagnostics - various small cleanups, e.g. use SCSI layer's DMA mapping API in firewire-sbp2 * tag 'firewire-updates' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394: firewire: sbp2: document the absence of alignment requirements firewire: sbp2: remove superfluous blk_queue_max_segment_size() call firewire: sbp2: use scsi_dma_(un)map firewire: sbp2: give correct DMA device to scsi framework firewire: core: fw_device_refresh(): clean up error handling firewire: core: log config rom reading errors firewire: core: log error in case of failed bus manager lock firewire: move rcode_string() to core firewire: core: improve reread_config_rom() interface firewire: core: wait for inaccessible devices after bus reset firewire: ohci: omit spinlock IRQ flags where possible firewire: ohci: correct signedness of a local variable firewire: core: fix DMA mapping direction firewire: use module_pci_driver
Diffstat (limited to 'include/linux/firewire.h')
-rw-r--r--include/linux/firewire.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/firewire.h b/include/linux/firewire.h
index e83c24af358a..7edcf1031718 100644
--- a/include/linux/firewire.h
+++ b/include/linux/firewire.h
@@ -349,6 +349,7 @@ int fw_cancel_transaction(struct fw_card *card,
int fw_run_transaction(struct fw_card *card, int tcode, int destination_id,
int generation, int speed, unsigned long long offset,
void *payload, size_t length);
+const char *fw_rcode_string(int rcode);
static inline int fw_stream_packet_destination_id(int tag, int channel, int sy)
{
@@ -406,6 +407,7 @@ struct fw_iso_buffer {
enum dma_data_direction direction;
struct page **pages;
int page_count;
+ int page_count_mapped;
};
int fw_iso_buffer_init(struct fw_iso_buffer *buffer, struct fw_card *card,

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