diff options
Diffstat (limited to 'drivers/net/ipa/gsi_trans.c')
| -rw-r--r-- | drivers/net/ipa/gsi_trans.c | 38 |
1 files changed, 6 insertions, 32 deletions
diff --git a/drivers/net/ipa/gsi_trans.c b/drivers/net/ipa/gsi_trans.c index 87e1d43c118c..55f8fe7d2668 100644 --- a/drivers/net/ipa/gsi_trans.c +++ b/drivers/net/ipa/gsi_trans.c @@ -410,10 +410,8 @@ void gsi_trans_free(struct gsi_trans *trans) /* Add an immediate command to a transaction */ void gsi_trans_cmd_add(struct gsi_trans *trans, void *buf, u32 size, - dma_addr_t addr, enum dma_data_direction direction, - enum ipa_cmd_opcode opcode) + dma_addr_t addr, enum ipa_cmd_opcode opcode) { - struct ipa_cmd_info *info; u32 which = trans->used++; struct scatterlist *sg; @@ -438,9 +436,7 @@ void gsi_trans_cmd_add(struct gsi_trans *trans, void *buf, u32 size, sg_dma_address(sg) = addr; sg_dma_len(sg) = size; - info = &trans->info[which]; - info->opcode = opcode; - info->direction = direction; + trans->cmd_opcode[which] = opcode; } /* Add a page transfer to a transaction. It will fill the only TRE. */ @@ -556,10 +552,10 @@ static void __gsi_trans_commit(struct gsi_trans *trans, bool ring_db) struct gsi_ring *ring = &channel->tre_ring; enum ipa_cmd_opcode opcode = IPA_CMD_NONE; bool bei = channel->toward_ipa; - struct ipa_cmd_info *info; struct gsi_tre *dest_tre; struct scatterlist *sg; u32 byte_count = 0; + u8 *cmd_opcode; u32 avail; u32 i; @@ -570,7 +566,7 @@ static void __gsi_trans_commit(struct gsi_trans *trans, bool ring_db) * If there is no info array we're doing a simple data * transfer request, whose opcode is IPA_CMD_NONE. */ - info = trans->info ? &trans->info[0] : NULL; + cmd_opcode = channel->command ? &trans->cmd_opcode[0] : NULL; avail = ring->count - ring->index % ring->count; dest_tre = gsi_ring_virt(ring, ring->index); for_each_sg(trans->sgl, sg, trans->used, i) { @@ -581,8 +577,8 @@ static void __gsi_trans_commit(struct gsi_trans *trans, bool ring_db) byte_count += len; if (!avail--) dest_tre = gsi_ring_virt(ring, 0); - if (info) - opcode = info++->opcode; + if (cmd_opcode) + opcode = *cmd_opcode++; gsi_trans_tre_fill(dest_tre, addr, len, last_tre, bei, opcode); dest_tre++; @@ -637,28 +633,6 @@ out_trans_free: gsi_trans_free(trans); } -/* Commit a GSI transaction and wait for it to complete, with timeout */ -int gsi_trans_commit_wait_timeout(struct gsi_trans *trans, - unsigned long timeout) -{ - unsigned long timeout_jiffies = msecs_to_jiffies(timeout); - unsigned long remaining = 1; /* In case of empty transaction */ - - if (!trans->used) - goto out_trans_free; - - refcount_inc(&trans->refcount); - - __gsi_trans_commit(trans, true); - - remaining = wait_for_completion_timeout(&trans->completion, - timeout_jiffies); -out_trans_free: - gsi_trans_free(trans); - - return remaining ? 0 : -ETIMEDOUT; -} - /* Process the completion of a transaction; called while polling */ void gsi_trans_complete(struct gsi_trans *trans) { |