firewire: fix async reception on big endian machines
descriptor.data_address is little endian
Tested-by: Olaf Hering <olh@suse.de>
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
Signed-off-by: Kristian Høgsberg <krh@redhat.com>
diff --git a/drivers/firewire/fw-ohci.c b/drivers/firewire/fw-ohci.c
index b72a5c1f..96c8ac5 100644
--- a/drivers/firewire/fw-ohci.c
+++ b/drivers/firewire/fw-ohci.c
@@ -373,8 +373,8 @@
offset = offsetof(struct ar_buffer, data);
dma_unmap_single(ohci->card.device,
- ab->descriptor.data_address - offset,
- PAGE_SIZE, DMA_BIDIRECTIONAL);
+ le32_to_cpu(ab->descriptor.data_address) - offset,
+ PAGE_SIZE, DMA_BIDIRECTIONAL);
buffer = ab;
ab = ab->next;
@@ -427,7 +427,7 @@
size_t offset;
offset = offsetof(struct ar_buffer, data);
- ab_bus = ab->descriptor.data_address - offset;
+ ab_bus = le32_to_cpu(ab->descriptor.data_address) - offset;
reg_write(ctx->ohci, COMMAND_PTR(ctx->regs), ab_bus | 1);
reg_write(ctx->ohci, CONTROL_SET(ctx->regs), CONTEXT_RUN);