1 files changed, 195 insertions, 193 deletions

diff --git a/drivers/ieee1394/ieee1394_transactions.c b/drivers/ieee1394/ieee1394_transactions.c
index 81b983c7a7d0..3fe2f6c4a253 100644
--- a/drivers/ieee1394/ieee1394_transactions.c
+++ b/drivers/ieee1394/ieee1394_transactions.c
@@ -24,7 +24,6 @@
 #include "nodemgr.h"
 #include "ieee1394_transactions.h"
 
-
 #define PREP_ASYNC_HEAD_ADDRESS(tc) \
         packet->tcode = tc; \
         packet->header[0] = (packet->node_id << 16) | (packet->tlabel << 10) \
@@ -32,80 +31,82 @@
         packet->header[1] = (packet->host->node_id << 16) | (addr >> 32); \
         packet->header[2] = addr & 0xffffffff
 
-
 static void fill_async_readquad(struct hpsb_packet *packet, u64 addr)
 {
-        PREP_ASYNC_HEAD_ADDRESS(TCODE_READQ);
-        packet->header_size = 12;
-        packet->data_size = 0;
-        packet->expect_response = 1;
+        PREP_ASYNC_HEAD_ADDRESS(TCODE_READQ);
+        packet->header_size = 12;
+        packet->data_size = 0;
+        packet->expect_response = 1;
 }
 
-static void fill_async_readblock(struct hpsb_packet *packet, u64 addr, int length)
+static void fill_async_readblock(struct hpsb_packet *packet, u64 addr,
+                                 int length)
 {
-        PREP_ASYNC_HEAD_ADDRESS(TCODE_READB);
-        packet->header[3] = length << 16;
-        packet->header_size = 16;
-        packet->data_size = 0;
-        packet->expect_response = 1;
+        PREP_ASYNC_HEAD_ADDRESS(TCODE_READB);
+        packet->header[3] = length << 16;
+        packet->header_size = 16;
+        packet->data_size = 0;
+        packet->expect_response = 1;
 }
 
-static void fill_async_writequad(struct hpsb_packet *packet, u64 addr, quadlet_t data)
+static void fill_async_writequad(struct hpsb_packet *packet, u64 addr,
+                                 quadlet_t data)
 {
-        PREP_ASYNC_HEAD_ADDRESS(TCODE_WRITEQ);
-        packet->header[3] = data;
-        packet->header_size = 16;
-        packet->data_size = 0;
-        packet->expect_response = 1;
+        PREP_ASYNC_HEAD_ADDRESS(TCODE_WRITEQ);
+        packet->header[3] = data;
+        packet->header_size = 16;
+        packet->data_size = 0;
+        packet->expect_response = 1;
 }
 
-static void fill_async_writeblock(struct hpsb_packet *packet, u64 addr, int length)
+static void fill_async_writeblock(struct hpsb_packet *packet, u64 addr,
+                                  int length)
 {
-        PREP_ASYNC_HEAD_ADDRESS(TCODE_WRITEB);
-        packet->header[3] = length << 16;
-        packet->header_size = 16;
-        packet->expect_response = 1;
-        packet->data_size = length + (length % 4 ? 4 - (length % 4) : 0);
+        PREP_ASYNC_HEAD_ADDRESS(TCODE_WRITEB);
+        packet->header[3] = length << 16;
+        packet->header_size = 16;
+        packet->expect_response = 1;
+        packet->data_size = length + (length % 4 ? 4 - (length % 4) : 0);
 }
 
 static void fill_async_lock(struct hpsb_packet *packet, u64 addr, int extcode,
-                     int length)
+                            int length)
 {
-        PREP_ASYNC_HEAD_ADDRESS(TCODE_LOCK_REQUEST);
-        packet->header[3] = (length << 16) | extcode;
-        packet->header_size = 16;
-        packet->data_size = length;
-        packet->expect_response = 1;
+        PREP_ASYNC_HEAD_ADDRESS(TCODE_LOCK_REQUEST);
+        packet->header[3] = (length << 16) | extcode;
+        packet->header_size = 16;
+        packet->data_size = length;
+        packet->expect_response = 1;
 }
 
 static void fill_iso_packet(struct hpsb_packet *packet, int length, int channel,
-                     int tag, int sync)
+                            int tag, int sync)
 {
-        packet->header[0] = (length << 16) | (tag << 14) | (channel << 8)
-                | (TCODE_ISO_DATA << 4) | sync;
+        packet->header[0] = (length << 16) | (tag << 14) | (channel << 8)
+            | (TCODE_ISO_DATA << 4) | sync;
 
-        packet->header_size = 4;
-        packet->data_size = length;
-        packet->type = hpsb_iso;
-        packet->tcode = TCODE_ISO_DATA;
+        packet->header_size = 4;
+        packet->data_size = length;
+        packet->type = hpsb_iso;
+        packet->tcode = TCODE_ISO_DATA;
 }
 
 static void fill_phy_packet(struct hpsb_packet *packet, quadlet_t data)
 {
-        packet->header[0] = data;
-        packet->header[1] = ~data;
-        packet->header_size = 8;
-        packet->data_size = 0;
-        packet->expect_response = 0;
-        packet->type = hpsb_raw;             /* No CRC added */
-        packet->speed_code = IEEE1394_SPEED_100; /* Force speed to be 100Mbps */
+        packet->header[0] = data;
+        packet->header[1] = ~data;
+        packet->header_size = 8;
+        packet->data_size = 0;
+        packet->expect_response = 0;
+        packet->type = hpsb_raw;        /* No CRC added */
+        packet->speed_code = IEEE1394_SPEED_100;        /* Force speed to be 100Mbps */
 }
 
 static void fill_async_stream_packet(struct hpsb_packet *packet, int length,
                                      int channel, int tag, int sync)
 {
         packet->header[0] = (length << 16) | (tag << 14) | (channel << 8)
-                          | (TCODE_STREAM_DATA << 4) | sync;
+            | (TCODE_STREAM_DATA << 4) | sync;
 
         packet->header_size = 4;
         packet->data_size = length;
@@ -172,99 +173,96 @@ int hpsb_get_tlabel(struct hpsb_packet *packet)
  */
 void hpsb_free_tlabel(struct hpsb_packet *packet)
 {
-        unsigned long flags;
+        unsigned long flags;
         struct hpsb_tlabel_pool *tp;
 
         tp = &packet->host->tpool[packet->node_id & NODE_MASK];
 
         BUG_ON(packet->tlabel > 63 || packet->tlabel < 0);
 
-        spin_lock_irqsave(&tp->lock, flags);
+        spin_lock_irqsave(&tp->lock, flags);
         BUG_ON(!test_and_clear_bit(packet->tlabel, tp->pool));
-        spin_unlock_irqrestore(&tp->lock, flags);
+        spin_unlock_irqrestore(&tp->lock, flags);
 
         up(&tp->count);
 }
 
-
-
 int hpsb_packet_success(struct hpsb_packet *packet)
 {
-        switch (packet->ack_code) {
-        case ACK_PENDING:
-                switch ((packet->header[1] >> 12) & 0xf) {
-                case RCODE_COMPLETE:
-                        return 0;
-                case RCODE_CONFLICT_ERROR:
-                        return -EAGAIN;
-                case RCODE_DATA_ERROR:
-                        return -EREMOTEIO;
-                case RCODE_TYPE_ERROR:
-                        return -EACCES;
-                case RCODE_ADDRESS_ERROR:
-                        return -EINVAL;
-                default:
-                        HPSB_ERR("received reserved rcode %d from node %d",
-                                 (packet->header[1] >> 12) & 0xf,
-                                 packet->node_id);
-                        return -EAGAIN;
-                }
-                HPSB_PANIC("reached unreachable code 1 in %s", __FUNCTION__);
-
-        case ACK_BUSY_X:
-        case ACK_BUSY_A:
-        case ACK_BUSY_B:
-                return -EBUSY;
-
-        case ACK_TYPE_ERROR:
-                return -EACCES;
-
-        case ACK_COMPLETE:
-                if (packet->tcode == TCODE_WRITEQ
-                    || packet->tcode == TCODE_WRITEB) {
-                        return 0;
-                } else {
-                        HPSB_ERR("impossible ack_complete from node %d "
-                                 "(tcode %d)", packet->node_id, packet->tcode);
-                        return -EAGAIN;
-                }
-
-
-        case ACK_DATA_ERROR:
-                if (packet->tcode == TCODE_WRITEB
-                    || packet->tcode == TCODE_LOCK_REQUEST) {
-                        return -EAGAIN;
-                } else {
-                        HPSB_ERR("impossible ack_data_error from node %d "
-                                 "(tcode %d)", packet->node_id, packet->tcode);
-                        return -EAGAIN;
-                }
-
-        case ACK_ADDRESS_ERROR:
-                return -EINVAL;
-
-        case ACK_TARDY:
-        case ACK_CONFLICT_ERROR:
-        case ACKX_NONE:
-        case ACKX_SEND_ERROR:
-        case ACKX_ABORTED:
-        case ACKX_TIMEOUT:
-                /* error while sending */
-                return -EAGAIN;
-
-        default:
-                HPSB_ERR("got invalid ack %d from node %d (tcode %d)",
-                         packet->ack_code, packet->node_id, packet->tcode);
-                return -EAGAIN;
-        }
-
-        HPSB_PANIC("reached unreachable code 2 in %s", __FUNCTION__);
+        switch (packet->ack_code) {
+        case ACK_PENDING:
+                switch ((packet->header[1] >> 12) & 0xf) {
+                case RCODE_COMPLETE:
+                        return 0;
+                case RCODE_CONFLICT_ERROR:
+                        return -EAGAIN;
+                case RCODE_DATA_ERROR:
+                        return -EREMOTEIO;
+                case RCODE_TYPE_ERROR:
+                        return -EACCES;
+                case RCODE_ADDRESS_ERROR:
+                        return -EINVAL;
+                default:
+                        HPSB_ERR("received reserved rcode %d from node %d",
+                                 (packet->header[1] >> 12) & 0xf,
+                                 packet->node_id);
+                        return -EAGAIN;
+                }
+                HPSB_PANIC("reached unreachable code 1 in %s", __FUNCTION__);
+
+        case ACK_BUSY_X:
+        case ACK_BUSY_A:
+        case ACK_BUSY_B:
+                return -EBUSY;
+
+        case ACK_TYPE_ERROR:
+                return -EACCES;
+
+        case ACK_COMPLETE:
+                if (packet->tcode == TCODE_WRITEQ
+                    || packet->tcode == TCODE_WRITEB) {
+                        return 0;
+                } else {
+                        HPSB_ERR("impossible ack_complete from node %d "
+                                 "(tcode %d)", packet->node_id, packet->tcode);
+                        return -EAGAIN;
+                }
+
+        case ACK_DATA_ERROR:
+                if (packet->tcode == TCODE_WRITEB
+                    || packet->tcode == TCODE_LOCK_REQUEST) {
+                        return -EAGAIN;
+                } else {
+                        HPSB_ERR("impossible ack_data_error from node %d "
+                                 "(tcode %d)", packet->node_id, packet->tcode);
+                        return -EAGAIN;
+                }
+
+        case ACK_ADDRESS_ERROR:
+                return -EINVAL;
+
+        case ACK_TARDY:
+        case ACK_CONFLICT_ERROR:
+        case ACKX_NONE:
+        case ACKX_SEND_ERROR:
+        case ACKX_ABORTED:
+        case ACKX_TIMEOUT:
+                /* error while sending */
+                return -EAGAIN;
+
+        default:
+                HPSB_ERR("got invalid ack %d from node %d (tcode %d)",
+                         packet->ack_code, packet->node_id, packet->tcode);
+                return -EAGAIN;
+        }
+
+        HPSB_PANIC("reached unreachable code 2 in %s", __FUNCTION__);
 }
 
 struct hpsb_packet *hpsb_make_readpacket(struct hpsb_host *host, nodeid_t node,
                                          u64 addr, size_t length)
 {
-        struct hpsb_packet *packet;
+        struct hpsb_packet *packet;
 
         if (length == 0)
                 return NULL;
@@ -289,8 +287,9 @@ struct hpsb_packet *hpsb_make_readpacket(struct hpsb_host *host, nodeid_t node,
         return packet;
 }
 
-struct hpsb_packet *hpsb_make_writepacket (struct hpsb_host *host, nodeid_t node,
-                                           u64 addr, quadlet_t *buffer, size_t length)
+struct hpsb_packet *hpsb_make_writepacket(struct hpsb_host *host, nodeid_t node,
+                                          u64 addr, quadlet_t * buffer,
+                                          size_t length)
 {
         struct hpsb_packet *packet;
 
@@ -301,7 +300,7 @@ struct hpsb_packet *hpsb_make_writepacket (struct hpsb_host *host, nodeid_t node
         if (!packet)
                 return NULL;
 
-        if (length % 4) { /* zero padding bytes */
+        if (length % 4) {       /* zero padding bytes */
                 packet->data[length >> 2] = 0;
         }
         packet->host = host;
@@ -323,8 +322,9 @@ struct hpsb_packet *hpsb_make_writepacket (struct hpsb_host *host, nodeid_t node
         return packet;
 }
 
-struct hpsb_packet *hpsb_make_streampacket(struct hpsb_host *host, u8 *buffer, int length,
-                                           int channel, int tag, int sync)
+struct hpsb_packet *hpsb_make_streampacket(struct hpsb_host *host, u8 * buffer,
+                                           int length, int channel, int tag,
+                                           int sync)
 {
         struct hpsb_packet *packet;
 
@@ -335,7 +335,7 @@ struct hpsb_packet *hpsb_make_streampacket(struct hpsb_host *host, u8 *buffer, i
         if (!packet)
                 return NULL;
 
-        if (length % 4) { /* zero padding bytes */
+        if (length % 4) {       /* zero padding bytes */
                 packet->data[length >> 2] = 0;
         }
         packet->host = host;
@@ -353,14 +353,15 @@ struct hpsb_packet *hpsb_make_streampacket(struct hpsb_host *host, u8 *buffer, i
 }
 
 struct hpsb_packet *hpsb_make_lockpacket(struct hpsb_host *host, nodeid_t node,
-                                         u64 addr, int extcode, quadlet_t *data,
-                                         quadlet_t arg)
+                                         u64 addr, int extcode,
+                                         quadlet_t * data, quadlet_t arg)
 {
         struct hpsb_packet *p;
         u32 length;
 
         p = hpsb_alloc_packet(8);
-        if (!p) return NULL;
+        if (!p)
+                return NULL;
 
         p->host = host;
         p->node_id = node;
@@ -389,15 +390,16 @@ struct hpsb_packet *hpsb_make_lockpacket(struct hpsb_host *host, nodeid_t node,
         return p;
 }
 
-struct hpsb_packet *hpsb_make_lock64packet(struct hpsb_host *host, nodeid_t node,
-                                           u64 addr, int extcode, octlet_t *data,
-                                           octlet_t arg)
+struct hpsb_packet *hpsb_make_lock64packet(struct hpsb_host *host,
+                                           nodeid_t node, u64 addr, int extcode,
+                                           octlet_t * data, octlet_t arg)
 {
         struct hpsb_packet *p;
         u32 length;
 
         p = hpsb_alloc_packet(16);
-        if (!p) return NULL;
+        if (!p)
+                return NULL;
 
         p->host = host;
         p->node_id = node;
@@ -430,18 +432,18 @@ struct hpsb_packet *hpsb_make_lock64packet(struct hpsb_host *host, nodeid_t node
         return p;
 }
 
-struct hpsb_packet *hpsb_make_phypacket(struct hpsb_host *host,
-                                        quadlet_t data)
+struct hpsb_packet *hpsb_make_phypacket(struct hpsb_host *host, quadlet_t data)
 {
-        struct hpsb_packet *p;
+        struct hpsb_packet *p;
 
-        p = hpsb_alloc_packet(0);
-        if (!p) return NULL;
+        p = hpsb_alloc_packet(0);
+        if (!p)
+                return NULL;
 
-        p->host = host;
-        fill_phy_packet(p, data);
+        p->host = host;
+        fill_phy_packet(p, data);
 
-        return p;
+        return p;
 }
 
 struct hpsb_packet *hpsb_make_isopacket(struct hpsb_host *host,
@@ -451,7 +453,8 @@ struct hpsb_packet *hpsb_make_isopacket(struct hpsb_host *host,
         struct hpsb_packet *p;
 
         p = hpsb_alloc_packet(length);
-        if (!p) return NULL;
+        if (!p)
+                return NULL;
 
         p->host = host;
         fill_iso_packet(p, length, channel, tag, sync);
@@ -467,47 +470,46 @@ struct hpsb_packet *hpsb_make_isopacket(struct hpsb_host *host,
  */
 
 int hpsb_read(struct hpsb_host *host, nodeid_t node, unsigned int generation,
-              u64 addr, quadlet_t *buffer, size_t length)
+              u64 addr, quadlet_t * buffer, size_t length)
 {
-        struct hpsb_packet *packet;
-        int retval = 0;
+        struct hpsb_packet *packet;
+        int retval = 0;
 
-        if (length == 0)
-                return -EINVAL;
+        if (length == 0)
+                return -EINVAL;
 
-        BUG_ON(in_interrupt()); // We can't be called in an interrupt, yet
+        BUG_ON(in_interrupt()); // We can't be called in an interrupt, yet
 
         packet = hpsb_make_readpacket(host, node, addr, length);
 
-        if (!packet) {
-                return -ENOMEM;
-        }
+        if (!packet) {
+                return -ENOMEM;
+        }
 
         packet->generation = generation;
-        retval = hpsb_send_packet_and_wait(packet);
+        retval = hpsb_send_packet_and_wait(packet);
         if (retval < 0)
                 goto hpsb_read_fail;
 
-        retval = hpsb_packet_success(packet);
+        retval = hpsb_packet_success(packet);
 
-        if (retval == 0) {
-                if (length == 4) {
-                        *buffer = packet->header[3];
-                } else {
-                        memcpy(buffer, packet->data, length);
-                }
-        }
+        if (retval == 0) {
+                if (length == 4) {
+                        *buffer = packet->header[3];
+                } else {
+                        memcpy(buffer, packet->data, length);
+                }
+        }
 
-hpsb_read_fail:
-        hpsb_free_tlabel(packet);
-        hpsb_free_packet(packet);
+      hpsb_read_fail:
+        hpsb_free_tlabel(packet);
+        hpsb_free_packet(packet);
 
-        return retval;
+        return retval;
 }
 
-
 int hpsb_write(struct hpsb_host *host, nodeid_t node, unsigned int generation,
-               u64 addr, quadlet_t *buffer, size_t length)
+               u64 addr, quadlet_t * buffer, size_t length)
 {
         struct hpsb_packet *packet;
         int retval;
@@ -515,62 +517,61 @@ int hpsb_write(struct hpsb_host *host, nodeid_t node, unsigned int generation,
         if (length == 0)
                 return -EINVAL;
 
-        BUG_ON(in_interrupt()); // We can't be called in an interrupt, yet
+        BUG_ON(in_interrupt()); // We can't be called in an interrupt, yet
 
-        packet = hpsb_make_writepacket (host, node, addr, buffer, length);
+        packet = hpsb_make_writepacket(host, node, addr, buffer, length);
 
         if (!packet)
                 return -ENOMEM;
 
         packet->generation = generation;
-        retval = hpsb_send_packet_and_wait(packet);
+        retval = hpsb_send_packet_and_wait(packet);
         if (retval < 0)
                 goto hpsb_write_fail;
 
-        retval = hpsb_packet_success(packet);
+        retval = hpsb_packet_success(packet);
 
-hpsb_write_fail:
-        hpsb_free_tlabel(packet);
-        hpsb_free_packet(packet);
+      hpsb_write_fail:
+        hpsb_free_tlabel(packet);
+        hpsb_free_packet(packet);
 
-        return retval;
+        return retval;
 }
 
 #if 0
 
 int hpsb_lock(struct hpsb_host *host, nodeid_t node, unsigned int generation,
-              u64 addr, int extcode, quadlet_t *data, quadlet_t arg)
+              u64 addr, int extcode, quadlet_t * data, quadlet_t arg)
 {
-        struct hpsb_packet *packet;
-        int retval = 0;
+        struct hpsb_packet *packet;
+        int retval = 0;
 
-        BUG_ON(in_interrupt()); // We can't be called in an interrupt, yet
+        BUG_ON(in_interrupt()); // We can't be called in an interrupt, yet
 
         packet = hpsb_make_lockpacket(host, node, addr, extcode, data, arg);
-        if (!packet)
-                return -ENOMEM;
+        if (!packet)
+                return -ENOMEM;
 
         packet->generation = generation;
-        retval = hpsb_send_packet_and_wait(packet);
+        retval = hpsb_send_packet_and_wait(packet);
         if (retval < 0)
                 goto hpsb_lock_fail;
 
-        retval = hpsb_packet_success(packet);
+        retval = hpsb_packet_success(packet);
 
-        if (retval == 0) {
-                *data = packet->data[0];
-        }
+        if (retval == 0) {
+                *data = packet->data[0];
+        }
 
-hpsb_lock_fail:
-        hpsb_free_tlabel(packet);
-        hpsb_free_packet(packet);
+      hpsb_lock_fail:
+        hpsb_free_tlabel(packet);
+        hpsb_free_packet(packet);
 
-        return retval;
+        return retval;
 }
 
-
 int hpsb_send_gasp(struct hpsb_host *host, int channel, unsigned int generation,
-                   quadlet_t *buffer, size_t length, u32 specifier_id,
+                   quadlet_t * buffer, size_t length, u32 specifier_id,
                    unsigned int version)
 {
         struct hpsb_packet *packet;
@@ -587,7 +588,8 @@ int hpsb_send_gasp(struct hpsb_host *host, int channel, unsigned int generation,
                 return -ENOMEM;
 
         packet->data[0] = cpu_to_be32((host->node_id << 16) | specifier_id_hi);
-        packet->data[1] = cpu_to_be32((specifier_id_lo << 24) | (version & 0x00ffffff));
+        packet->data[1] =
+            cpu_to_be32((specifier_id_lo << 24) | (version & 0x00ffffff));
 
         memcpy(&(packet->data[2]), buffer, length - 8);
 
@@ -602,4 +604,4 @@ int hpsb_send_gasp(struct hpsb_host *host, int channel, unsigned int generation,
         return retval;
 }
 
-#endif  /*  0  */
+#endif                          /*  0  */