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authorRussell King <rmk@dyn-67.arm.linux.org.uk>2008-12-15 22:13:26 +0000
committerRussell King <rmk+kernel@arm.linux.org.uk>2008-12-15 22:13:26 +0000
commit7e1548a597ef7e26d5d62f8be3be6da9e101b26c (patch)
treefe6cbf4d9a3c1afdba04fb276fef0f932403727c /drivers/firewire
parent1f7f569c0ae6e619504095eabf796edd712d943d (diff)
parent2619bc327417f549f1c89d5ef9b4a4aa768f41a2 (diff)
downloadtalos-op-linux-7e1548a597ef7e26d5d62f8be3be6da9e101b26c.tar.gz
talos-op-linux-7e1548a597ef7e26d5d62f8be3be6da9e101b26c.zip
Merge branch 'omap3-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap-2.6 into devel
Diffstat (limited to 'drivers/firewire')
-rw-r--r--drivers/firewire/fw-ohci.c11
-rw-r--r--drivers/firewire/fw-transaction.c3
-rw-r--r--drivers/firewire/fw-transaction.h2
3 files changed, 12 insertions, 4 deletions
diff --git a/drivers/firewire/fw-ohci.c b/drivers/firewire/fw-ohci.c
index 46610b090415..ab9c01e462ef 100644
--- a/drivers/firewire/fw-ohci.c
+++ b/drivers/firewire/fw-ohci.c
@@ -974,6 +974,7 @@ at_context_queue_packet(struct context *ctx, struct fw_packet *packet)
packet->ack = RCODE_SEND_ERROR;
return -1;
}
+ packet->payload_bus = payload_bus;
d[2].req_count = cpu_to_le16(packet->payload_length);
d[2].data_address = cpu_to_le32(payload_bus);
@@ -1025,7 +1026,6 @@ static int handle_at_packet(struct context *context,
struct driver_data *driver_data;
struct fw_packet *packet;
struct fw_ohci *ohci = context->ohci;
- dma_addr_t payload_bus;
int evt;
if (last->transfer_status == 0)
@@ -1038,9 +1038,8 @@ static int handle_at_packet(struct context *context,
/* This packet was cancelled, just continue. */
return 1;
- payload_bus = le32_to_cpu(last->data_address);
- if (payload_bus != 0)
- dma_unmap_single(ohci->card.device, payload_bus,
+ if (packet->payload_bus)
+ dma_unmap_single(ohci->card.device, packet->payload_bus,
packet->payload_length, DMA_TO_DEVICE);
evt = le16_to_cpu(last->transfer_status) & 0x1f;
@@ -1697,6 +1696,10 @@ static int ohci_cancel_packet(struct fw_card *card, struct fw_packet *packet)
if (packet->ack != 0)
goto out;
+ if (packet->payload_bus)
+ dma_unmap_single(ohci->card.device, packet->payload_bus,
+ packet->payload_length, DMA_TO_DEVICE);
+
log_ar_at_event('T', packet->speed, packet->header, 0x20);
driver_data->packet = NULL;
packet->ack = RCODE_CANCELLED;
diff --git a/drivers/firewire/fw-transaction.c b/drivers/firewire/fw-transaction.c
index 022ac4fabb67..2884f876397b 100644
--- a/drivers/firewire/fw-transaction.c
+++ b/drivers/firewire/fw-transaction.c
@@ -207,6 +207,7 @@ fw_fill_request(struct fw_packet *packet, int tcode, int tlabel,
packet->speed = speed;
packet->generation = generation;
packet->ack = 0;
+ packet->payload_bus = 0;
}
/**
@@ -581,6 +582,8 @@ fw_fill_response(struct fw_packet *response, u32 *request_header,
BUG();
return;
}
+
+ response->payload_bus = 0;
}
EXPORT_SYMBOL(fw_fill_response);
diff --git a/drivers/firewire/fw-transaction.h b/drivers/firewire/fw-transaction.h
index aed7dbb17cda..839466f0a795 100644
--- a/drivers/firewire/fw-transaction.h
+++ b/drivers/firewire/fw-transaction.h
@@ -27,6 +27,7 @@
#include <linux/list.h>
#include <linux/spinlock_types.h>
#include <linux/timer.h>
+#include <linux/types.h>
#include <linux/workqueue.h>
#define TCODE_IS_READ_REQUEST(tcode) (((tcode) & ~1) == 4)
@@ -153,6 +154,7 @@ struct fw_packet {
size_t header_length;
void *payload;
size_t payload_length;
+ dma_addr_t payload_bus;
u32 timestamp;
/*
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