Merge branch 'timers-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel...

[pandora-kernel.git] / drivers / firewire / core-iso.c

diff --git a/drivers/firewire/core-iso.c b/drivers/firewire/core-iso.c
index 28076c8..110e731 100644 (file)
--- a/drivers/firewire/core-iso.c
+++ b/drivers/firewire/core-iso.c
@@ -71,7 +71,7 @@ int fw_iso_buffer_init(struct fw_iso_buffer *buffer, struct fw_card *card,
        for (j = 0; j < i; j++) {
                address = page_private(buffer->pages[j]);
                dma_unmap_page(card->device, address,
-                              PAGE_SIZE, DMA_TO_DEVICE);
+                              PAGE_SIZE, direction);
                __free_page(buffer->pages[j]);
        }
        kfree(buffer->pages);
@@ -80,6 +80,7 @@ int fw_iso_buffer_init(struct fw_iso_buffer *buffer, struct fw_card *card,
 
        return -ENOMEM;
 }
+EXPORT_SYMBOL(fw_iso_buffer_init);
 
 int fw_iso_buffer_map(struct fw_iso_buffer *buffer, struct vm_area_struct *vma)
 {
@@ -107,13 +108,14 @@ void fw_iso_buffer_destroy(struct fw_iso_buffer *buffer,
        for (i = 0; i < buffer->page_count; i++) {
                address = page_private(buffer->pages[i]);
                dma_unmap_page(card->device, address,
-                              PAGE_SIZE, DMA_TO_DEVICE);
+                              PAGE_SIZE, buffer->direction);
                __free_page(buffer->pages[i]);
        }
 
        kfree(buffer->pages);
        buffer->pages = NULL;
 }
+EXPORT_SYMBOL(fw_iso_buffer_destroy);
 
 struct fw_iso_context *fw_iso_context_create(struct fw_card *card,
                int type, int channel, int speed, size_t header_size,
@@ -136,6 +138,7 @@ struct fw_iso_context *fw_iso_context_create(struct fw_card *card,
 
        return ctx;
 }
+EXPORT_SYMBOL(fw_iso_context_create);
 
 void fw_iso_context_destroy(struct fw_iso_context *ctx)
 {
@@ -143,12 +146,14 @@ void fw_iso_context_destroy(struct fw_iso_context *ctx)
 
        card->driver->free_iso_context(ctx);
 }
+EXPORT_SYMBOL(fw_iso_context_destroy);
 
 int fw_iso_context_start(struct fw_iso_context *ctx,
                         int cycle, int sync, int tags)
 {
        return ctx->card->driver->start_iso(ctx, cycle, sync, tags);
 }
+EXPORT_SYMBOL(fw_iso_context_start);
 
 int fw_iso_context_queue(struct fw_iso_context *ctx,
                         struct fw_iso_packet *packet,
@@ -159,20 +164,21 @@ int fw_iso_context_queue(struct fw_iso_context *ctx,
 
        return card->driver->queue_iso(ctx, packet, buffer, payload);
 }
+EXPORT_SYMBOL(fw_iso_context_queue);
 
 int fw_iso_context_stop(struct fw_iso_context *ctx)
 {
        return ctx->card->driver->stop_iso(ctx);
 }
+EXPORT_SYMBOL(fw_iso_context_stop);
 
 /*
  * Isochronous bus resource management (channels, bandwidth), client side
  */
 
 static int manage_bandwidth(struct fw_card *card, int irm_id, int generation,
-                           int bandwidth, bool allocate)
+                           int bandwidth, bool allocate, __be32 data[2])
 {
-       __be32 data[2];
        int try, new, old = allocate ? BANDWIDTH_AVAILABLE_INITIAL : 0;
 
        /*
@@ -208,9 +214,9 @@ static int manage_bandwidth(struct fw_card *card, int irm_id, int generation,
 }
 
 static int manage_channel(struct fw_card *card, int irm_id, int generation,
-                         u32 channels_mask, u64 offset, bool allocate)
+               u32 channels_mask, u64 offset, bool allocate, __be32 data[2])
 {
-       __be32 data[2], c, all, old;
+       __be32 c, all, old;
        int i, retry = 5;
 
        old = all = allocate ? cpu_to_be32(~0) : 0;
@@ -253,7 +259,7 @@ static int manage_channel(struct fw_card *card, int irm_id, int generation,
 }
 
 static void deallocate_channel(struct fw_card *card, int irm_id,
-                              int generation, int channel)
+                              int generation, int channel, __be32 buffer[2])
 {
        u32 mask;
        u64 offset;
@@ -262,7 +268,7 @@ static void deallocate_channel(struct fw_card *card, int irm_id,
        offset = channel < 32 ? CSR_REGISTER_BASE + CSR_CHANNELS_AVAILABLE_HI :
                                CSR_REGISTER_BASE + CSR_CHANNELS_AVAILABLE_LO;
 
-       manage_channel(card, irm_id, generation, mask, offset, false);
+       manage_channel(card, irm_id, generation, mask, offset, false, buffer);
 }
 
 /**
@@ -291,7 +297,7 @@ static void deallocate_channel(struct fw_card *card, int irm_id,
  */
 void fw_iso_resource_manage(struct fw_card *card, int generation,
                            u64 channels_mask, int *channel, int *bandwidth,
-                           bool allocate)
+                           bool allocate, __be32 buffer[2])
 {
        u32 channels_hi = channels_mask;        /* channels 31...0 */
        u32 channels_lo = channels_mask >> 32;  /* channels 63...32 */
@@ -303,10 +309,12 @@ void fw_iso_resource_manage(struct fw_card *card, int generation,
 
        if (channels_hi)
                c = manage_channel(card, irm_id, generation, channels_hi,
-                   CSR_REGISTER_BASE + CSR_CHANNELS_AVAILABLE_HI, allocate);
+                               CSR_REGISTER_BASE + CSR_CHANNELS_AVAILABLE_HI,
+                               allocate, buffer);
        if (channels_lo && c < 0) {
                c = manage_channel(card, irm_id, generation, channels_lo,
-                   CSR_REGISTER_BASE + CSR_CHANNELS_AVAILABLE_LO, allocate);
+                               CSR_REGISTER_BASE + CSR_CHANNELS_AVAILABLE_LO,
+                               allocate, buffer);
                if (c >= 0)
                        c += 32;
        }
@@ -318,12 +326,13 @@ void fw_iso_resource_manage(struct fw_card *card, int generation,
        if (*bandwidth == 0)
                return;
 
-       ret = manage_bandwidth(card, irm_id, generation, *bandwidth, allocate);
+       ret = manage_bandwidth(card, irm_id, generation, *bandwidth,
+                              allocate, buffer);
        if (ret < 0)
                *bandwidth = 0;
 
        if (allocate && ret < 0 && c >= 0) {
-               deallocate_channel(card, irm_id, generation, c);
+               deallocate_channel(card, irm_id, generation, c, buffer);
                *channel = ret;
        }
 }