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authorLinus Torvalds <torvalds@linux-foundation.org>2014-05-30 19:06:15 (GMT)
committerLinus Torvalds <torvalds@linux-foundation.org>2014-05-30 19:06:15 (GMT)
commit1326af2464fc29290d1710447297d33a90a6ece4 (patch)
treed052eeff789e56a83dd881ef6efa809f73e28b43 /drivers
parent24e19d279f9e289e965b4bc4710fbccab824c4c4 (diff)
parent2fe2023adf695d08af5b598b2be3b288a95d563c (diff)
downloadlinux-1326af2464fc29290d1710447297d33a90a6ece4.tar.xz
Merge tag 'firewire-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394
Pull firewire fix from Stefan Richter: "A regression fix for the IEEE 1394 subsystem: re-enable IRQ-based asynchronous request reception at addresses below 128 TB" * tag 'firewire-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394: firewire: revert to 4 GB RDMA, fix protocols using Memory Space
Diffstat (limited to 'drivers')
-rw-r--r--drivers/firewire/core.h4
-rw-r--r--drivers/firewire/ohci.c2
2 files changed, 3 insertions, 3 deletions
diff --git a/drivers/firewire/core.h b/drivers/firewire/core.h
index c98764a..f477308 100644
--- a/drivers/firewire/core.h
+++ b/drivers/firewire/core.h
@@ -237,8 +237,8 @@ static inline bool is_next_generation(int new_generation, int old_generation)
#define LOCAL_BUS 0xffc0
-/* arbitrarily chosen maximum range for physical DMA: 128 TB */
-#define FW_MAX_PHYSICAL_RANGE (128ULL << 40)
+/* OHCI-1394's default upper bound for physical DMA: 4 GB */
+#define FW_MAX_PHYSICAL_RANGE (1ULL << 32)
void fw_core_handle_request(struct fw_card *card, struct fw_packet *request);
void fw_core_handle_response(struct fw_card *card, struct fw_packet *packet);
diff --git a/drivers/firewire/ohci.c b/drivers/firewire/ohci.c
index 8db6632..586f2f7 100644
--- a/drivers/firewire/ohci.c
+++ b/drivers/firewire/ohci.c
@@ -3716,7 +3716,7 @@ static int pci_probe(struct pci_dev *dev,
version >> 16, version & 0xff, ohci->card.index,
ohci->n_ir, ohci->n_it, ohci->quirks,
reg_read(ohci, OHCI1394_PhyUpperBound) ?
- ", >4 GB phys DMA" : "");
+ ", physUB" : "");
return 0;