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authorLinus Torvalds <torvalds@woody.linux-foundation.org>2007-08-03 14:47:07 -0700
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-08-03 14:47:07 -0700
commit3ff42e4f13095f5351fe651b8a591e67aabbb1a6 (patch)
treef79324e46352fcd5de2634b188fc3fc0a71dbf27
parent7a883eaf62f4b943ebec738ce3b0796c67ef5d32 (diff)
parentae57988f68acdc9fbee649765148f15eb7a1b991 (diff)
downloadlinux-stericsson-3ff42e4f13095f5351fe651b8a591e67aabbb1a6.tar.gz
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394-2.6: firewire: fw-core: make two variables static firewire: fw-ohci: dma_free_coherent needs IRQs enabled firewire: fw-sbp2: set correct maximum payload (fixes CardBus adapters) ieee1394: sbp2: more correct Kconfig dependencies ieee1394: revert "sbp2: enforce 32bit DMA mapping"
-rw-r--r--drivers/firewire/fw-ohci.c20
-rw-r--r--drivers/firewire/fw-sbp2.c5
-rw-r--r--drivers/firewire/fw-transaction.c4
-rw-r--r--drivers/firewire/fw-transaction.h2
-rw-r--r--drivers/ieee1394/Kconfig2
-rw-r--r--drivers/ieee1394/sbp2.c5
6 files changed, 21 insertions, 17 deletions
diff --git a/drivers/firewire/fw-ohci.c b/drivers/firewire/fw-ohci.c
index db703758db98..7e427b4c74b5 100644
--- a/drivers/firewire/fw-ohci.c
+++ b/drivers/firewire/fw-ohci.c
@@ -907,6 +907,8 @@ static void bus_reset_tasklet(unsigned long data)
int self_id_count, i, j, reg;
int generation, new_generation;
unsigned long flags;
+ void *free_rom = NULL;
+ dma_addr_t free_rom_bus = 0;
reg = reg_read(ohci, OHCI1394_NodeID);
if (!(reg & OHCI1394_NodeID_idValid)) {
@@ -970,8 +972,8 @@ static void bus_reset_tasklet(unsigned long data)
*/
if (ohci->next_config_rom != NULL) {
- dma_free_coherent(ohci->card.device, CONFIG_ROM_SIZE,
- ohci->config_rom, ohci->config_rom_bus);
+ free_rom = ohci->config_rom;
+ free_rom_bus = ohci->config_rom_bus;
ohci->config_rom = ohci->next_config_rom;
ohci->config_rom_bus = ohci->next_config_rom_bus;
ohci->next_config_rom = NULL;
@@ -990,6 +992,10 @@ static void bus_reset_tasklet(unsigned long data)
spin_unlock_irqrestore(&ohci->lock, flags);
+ if (free_rom)
+ dma_free_coherent(ohci->card.device, CONFIG_ROM_SIZE,
+ free_rom, free_rom_bus);
+
fw_core_handle_bus_reset(&ohci->card, ohci->node_id, generation,
self_id_count, ohci->self_id_buffer);
}
@@ -1186,7 +1192,7 @@ ohci_set_config_rom(struct fw_card *card, u32 *config_rom, size_t length)
{
struct fw_ohci *ohci;
unsigned long flags;
- int retval = 0;
+ int retval = -EBUSY;
__be32 *next_config_rom;
dma_addr_t next_config_rom_bus;
@@ -1240,10 +1246,7 @@ ohci_set_config_rom(struct fw_card *card, u32 *config_rom, size_t length)
reg_write(ohci, OHCI1394_ConfigROMmap,
ohci->next_config_rom_bus);
- } else {
- dma_free_coherent(ohci->card.device, CONFIG_ROM_SIZE,
- next_config_rom, next_config_rom_bus);
- retval = -EBUSY;
+ retval = 0;
}
spin_unlock_irqrestore(&ohci->lock, flags);
@@ -1257,6 +1260,9 @@ ohci_set_config_rom(struct fw_card *card, u32 *config_rom, size_t length)
*/
if (retval == 0)
fw_core_initiate_bus_reset(&ohci->card, 1);
+ else
+ dma_free_coherent(ohci->card.device, CONFIG_ROM_SIZE,
+ next_config_rom, next_config_rom_bus);
return retval;
}
diff --git a/drivers/firewire/fw-sbp2.c b/drivers/firewire/fw-sbp2.c
index 3e4a369d0057..ba816ef6def1 100644
--- a/drivers/firewire/fw-sbp2.c
+++ b/drivers/firewire/fw-sbp2.c
@@ -984,6 +984,7 @@ static int sbp2_scsi_queuecommand(struct scsi_cmnd *cmd, scsi_done_fn_t done)
struct fw_unit *unit = sd->unit;
struct fw_device *device = fw_device(unit->device.parent);
struct sbp2_command_orb *orb;
+ unsigned max_payload;
/*
* Bidirectional commands are not yet implemented, and unknown
@@ -1017,8 +1018,10 @@ static int sbp2_scsi_queuecommand(struct scsi_cmnd *cmd, scsi_done_fn_t done)
* specifies the max payload size as 2 ^ (max_payload + 2), so
* if we set this to max_speed + 7, we get the right value.
*/
+ max_payload = min(device->max_speed + 7,
+ device->card->max_receive - 1);
orb->request.misc =
- COMMAND_ORB_MAX_PAYLOAD(device->max_speed + 7) |
+ COMMAND_ORB_MAX_PAYLOAD(max_payload) |
COMMAND_ORB_SPEED(device->max_speed) |
COMMAND_ORB_NOTIFY;
diff --git a/drivers/firewire/fw-transaction.c b/drivers/firewire/fw-transaction.c
index 3ce8e2fbe15f..3e1cb12e43cd 100644
--- a/drivers/firewire/fw-transaction.c
+++ b/drivers/firewire/fw-transaction.c
@@ -734,7 +734,7 @@ fw_core_handle_response(struct fw_card *card, struct fw_packet *p)
}
EXPORT_SYMBOL(fw_core_handle_response);
-const struct fw_address_region topology_map_region =
+static const struct fw_address_region topology_map_region =
{ .start = 0xfffff0001000ull, .end = 0xfffff0001400ull, };
static void
@@ -772,7 +772,7 @@ static struct fw_address_handler topology_map = {
.address_callback = handle_topology_map,
};
-const struct fw_address_region registers_region =
+static const struct fw_address_region registers_region =
{ .start = 0xfffff0000000ull, .end = 0xfffff0000400ull, };
static void
diff --git a/drivers/firewire/fw-transaction.h b/drivers/firewire/fw-transaction.h
index 5ceaccd10564..fa7967b57408 100644
--- a/drivers/firewire/fw-transaction.h
+++ b/drivers/firewire/fw-transaction.h
@@ -231,7 +231,7 @@ struct fw_card {
unsigned long reset_jiffies;
unsigned long long guid;
- int max_receive;
+ unsigned max_receive;
int link_speed;
int config_rom_generation;
diff --git a/drivers/ieee1394/Kconfig b/drivers/ieee1394/Kconfig
index 8012b3b0ce75..545663ef820b 100644
--- a/drivers/ieee1394/Kconfig
+++ b/drivers/ieee1394/Kconfig
@@ -97,7 +97,7 @@ config IEEE1394_SBP2
config IEEE1394_SBP2_PHYS_DMA
bool "Enable replacement for physical DMA in SBP2"
- depends on IEEE1394 && IEEE1394_SBP2 && EXPERIMENTAL && (X86_32 || PPC_32)
+ depends on IEEE1394_SBP2 && VIRT_TO_BUS && EXPERIMENTAL
help
This builds sbp2 for use with non-OHCI host adapters which do not
support physical DMA or for when ohci1394 is run with phys_dma=0.
diff --git a/drivers/ieee1394/sbp2.c b/drivers/ieee1394/sbp2.c
index e882cb951b47..47dbe8f17e82 100644
--- a/drivers/ieee1394/sbp2.c
+++ b/drivers/ieee1394/sbp2.c
@@ -773,11 +773,6 @@ static struct sbp2_lu *sbp2_alloc_device(struct unit_directory *ud)
SBP2_ERR("failed to register lower 4GB address range");
goto failed_alloc;
}
-#else
- if (dma_set_mask(hi->host->device.parent, DMA_32BIT_MASK)) {
- SBP2_ERR("failed to set 4GB DMA mask");
- goto failed_alloc;
- }
#endif
}