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authorEmmanuel Grumbach <emmanuel.grumbach@intel.com>2012-11-18 06:14:51 -0500
committerJohannes Berg <johannes.berg@intel.com>2012-11-19 09:06:28 -0500
commit49bd072d4ebab59217dadeb779a0a3dd2d0397ec (patch)
tree5d09acb08ba88b47f4d0941dd753671ab7e039ea
parent6ca6ebc1606c6fa7e8931445e84f21f4843e3bab (diff)
iwlwifi: more cleanup in pcie/rx.c
Really trivial clean up. Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
-rw-r--r--drivers/net/wireless/iwlwifi/pcie/rx.c13
-rw-r--r--drivers/net/wireless/iwlwifi/pcie/trans.c1
-rw-r--r--drivers/net/wireless/iwlwifi/pcie/tx.c2
3 files changed, 4 insertions, 12 deletions
diff --git a/drivers/net/wireless/iwlwifi/pcie/rx.c b/drivers/net/wireless/iwlwifi/pcie/rx.c
index e3ae28d7a0d..28a4968be1c 100644
--- a/drivers/net/wireless/iwlwifi/pcie/rx.c
+++ b/drivers/net/wireless/iwlwifi/pcie/rx.c
@@ -130,10 +130,11 @@ static inline __le32 iwl_pcie_dma_addr2rbd_ptr(dma_addr_t dma_addr)
130 return cpu_to_le32((u32)(dma_addr >> 8)); 130 return cpu_to_le32((u32)(dma_addr >> 8));
131} 131}
132 132
133/*
134 * iwl_pcie_rx_stop - stops the Rx DMA
135 */
133int iwl_pcie_rx_stop(struct iwl_trans *trans) 136int iwl_pcie_rx_stop(struct iwl_trans *trans)
134{ 137{
135
136 /* stop Rx DMA */
137 iwl_write_direct32(trans, FH_MEM_RCSR_CHNL0_CONFIG_REG, 0); 138 iwl_write_direct32(trans, FH_MEM_RCSR_CHNL0_CONFIG_REG, 0);
138 return iwl_poll_direct_bit(trans, FH_MEM_RSSR_RX_STATUS_REG, 139 return iwl_poll_direct_bit(trans, FH_MEM_RSSR_RX_STATUS_REG,
139 FH_RSSR_CHNL0_RX_STATUS_CHNL_IDLE, 1000); 140 FH_RSSR_CHNL0_RX_STATUS_CHNL_IDLE, 1000);
@@ -440,9 +441,6 @@ static void iwl_pcie_rx_hw_init(struct iwl_trans *trans, struct iwl_rxq *rxq)
440 u32 rb_size; 441 u32 rb_size;
441 const u32 rfdnlog = RX_QUEUE_SIZE_LOG; /* 256 RBDs */ 442 const u32 rfdnlog = RX_QUEUE_SIZE_LOG; /* 256 RBDs */
442 443
443 /* FIXME: RX_RB_TIMEOUT for all devices? */
444 u32 rb_timeout = RX_RB_TIMEOUT;
445
446 if (trans_pcie->rx_buf_size_8k) 444 if (trans_pcie->rx_buf_size_8k)
447 rb_size = FH_RCSR_RX_CONFIG_REG_VAL_RB_SIZE_8K; 445 rb_size = FH_RCSR_RX_CONFIG_REG_VAL_RB_SIZE_8K;
448 else 446 else
@@ -475,7 +473,7 @@ static void iwl_pcie_rx_hw_init(struct iwl_trans *trans, struct iwl_rxq *rxq)
475 FH_RCSR_CHNL0_RX_IGNORE_RXF_EMPTY | 473 FH_RCSR_CHNL0_RX_IGNORE_RXF_EMPTY |
476 FH_RCSR_CHNL0_RX_CONFIG_IRQ_DEST_INT_HOST_VAL | 474 FH_RCSR_CHNL0_RX_CONFIG_IRQ_DEST_INT_HOST_VAL |
477 rb_size| 475 rb_size|
478 (rb_timeout << FH_RCSR_RX_CONFIG_REG_IRQ_RBTH_POS)| 476 (RX_RB_TIMEOUT << FH_RCSR_RX_CONFIG_REG_IRQ_RBTH_POS)|
479 (rfdnlog << FH_RCSR_RX_CONFIG_RBDCB_SIZE_POS)); 477 (rfdnlog << FH_RCSR_RX_CONFIG_RBDCB_SIZE_POS));
480 478
481 /* Set interrupt coalescing timer to default (2048 usecs) */ 479 /* Set interrupt coalescing timer to default (2048 usecs) */
@@ -776,7 +774,6 @@ static void iwl_pcie_irq_handle_error(struct iwl_trans *trans)
776 iwl_op_mode_nic_error(trans->op_mode); 774 iwl_op_mode_nic_error(trans->op_mode);
777} 775}
778 776
779/* tasklet for iwlagn interrupt */
780void iwl_pcie_tasklet(struct iwl_trans *trans) 777void iwl_pcie_tasklet(struct iwl_trans *trans)
781{ 778{
782 struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans); 779 struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans);
@@ -1189,7 +1186,6 @@ irqreturn_t iwl_pcie_isr_ict(int irq, void *data)
1189 1186
1190 trace_iwlwifi_dev_irq(trans->dev); 1187 trace_iwlwifi_dev_irq(trans->dev);
1191 1188
1192
1193 /* Disable (but don't clear!) interrupts here to avoid 1189 /* Disable (but don't clear!) interrupts here to avoid
1194 * back-to-back ISRs and sporadic interrupts from our NIC. 1190 * back-to-back ISRs and sporadic interrupts from our NIC.
1195 * If we have something to service, the tasklet will re-enable ints. 1191 * If we have something to service, the tasklet will re-enable ints.
@@ -1198,7 +1194,6 @@ irqreturn_t iwl_pcie_isr_ict(int irq, void *data)
1198 inta_mask = iwl_read32(trans, CSR_INT_MASK); /* just for debug */ 1194 inta_mask = iwl_read32(trans, CSR_INT_MASK); /* just for debug */
1199 iwl_write32(trans, CSR_INT_MASK, 0x00000000); 1195 iwl_write32(trans, CSR_INT_MASK, 0x00000000);
1200 1196
1201
1202 /* Ignore interrupt if there's nothing in NIC to service. 1197 /* Ignore interrupt if there's nothing in NIC to service.
1203 * This may be due to IRQ shared with another device, 1198 * This may be due to IRQ shared with another device,
1204 * or due to sporadic interrupts thrown from our NIC. */ 1199 * or due to sporadic interrupts thrown from our NIC. */
diff --git a/drivers/net/wireless/iwlwifi/pcie/trans.c b/drivers/net/wireless/iwlwifi/pcie/trans.c
index 19c11e3b548..9f317b016df 100644
--- a/drivers/net/wireless/iwlwifi/pcie/trans.c
+++ b/drivers/net/wireless/iwlwifi/pcie/trans.c
@@ -933,7 +933,6 @@ static ssize_t iwl_dbgfs_##name##_write(struct file *file, \
933 const char __user *user_buf, \ 933 const char __user *user_buf, \
934 size_t count, loff_t *ppos); 934 size_t count, loff_t *ppos);
935 935
936
937#define DEBUGFS_READ_FILE_OPS(name) \ 936#define DEBUGFS_READ_FILE_OPS(name) \
938 DEBUGFS_READ_FUNC(name); \ 937 DEBUGFS_READ_FUNC(name); \
939static const struct file_operations iwl_dbgfs_##name##_ops = { \ 938static const struct file_operations iwl_dbgfs_##name##_ops = { \
diff --git a/drivers/net/wireless/iwlwifi/pcie/tx.c b/drivers/net/wireless/iwlwifi/pcie/tx.c
index 40e5a6d6e6d..6c5b867c353 100644
--- a/drivers/net/wireless/iwlwifi/pcie/tx.c
+++ b/drivers/net/wireless/iwlwifi/pcie/tx.c
@@ -112,7 +112,6 @@ static int iwl_queue_init(struct iwl_queue *q, int count, int slots_num, u32 id)
112 return 0; 112 return 0;
113} 113}
114 114
115
116static int iwl_pcie_alloc_dma_ptr(struct iwl_trans *trans, 115static int iwl_pcie_alloc_dma_ptr(struct iwl_trans *trans,
117 struct iwl_dma_ptr *ptr, size_t size) 116 struct iwl_dma_ptr *ptr, size_t size)
118{ 117{
@@ -1400,7 +1399,6 @@ static int iwl_pcie_send_hcmd_async(struct iwl_trans *trans,
1400 if (WARN_ON(cmd->flags & CMD_WANT_SKB)) 1399 if (WARN_ON(cmd->flags & CMD_WANT_SKB))
1401 return -EINVAL; 1400 return -EINVAL;
1402 1401
1403
1404 ret = iwl_pcie_enqueue_hcmd(trans, cmd); 1402 ret = iwl_pcie_enqueue_hcmd(trans, cmd);
1405 if (ret < 0) { 1403 if (ret < 0) {
1406 IWL_ERR(trans, 1404 IWL_ERR(trans,