diff options
Diffstat (limited to 'drivers/char/pcmcia/ipwireless/hardware.c')
| -rw-r--r-- | drivers/char/pcmcia/ipwireless/hardware.c | 50 |
1 files changed, 18 insertions, 32 deletions
diff --git a/drivers/char/pcmcia/ipwireless/hardware.c b/drivers/char/pcmcia/ipwireless/hardware.c index 929101ecbae..6a3e666af01 100644 --- a/drivers/char/pcmcia/ipwireless/hardware.c +++ b/drivers/char/pcmcia/ipwireless/hardware.c @@ -389,7 +389,7 @@ static void dump_data_bytes(const char *type, const unsigned char *data, static int do_send_fragment(struct ipw_hardware *hw, const unsigned char *data, unsigned length) { - int i; + unsigned i; unsigned long flags; start_timing(); @@ -414,7 +414,7 @@ static int do_send_fragment(struct ipw_hardware *hw, const unsigned char *data, unsigned short d = data[i]; __le16 raw_data; - if (likely(i + 1 < length)) + if (i + 1 < length) d |= data[i + 1] << 8; raw_data = cpu_to_le16(d); outw(raw_data, hw->base_port + IODWR); @@ -428,7 +428,7 @@ static int do_send_fragment(struct ipw_hardware *hw, const unsigned char *data, unsigned short d = data[i]; __le16 raw_data; - if ((i + 1 < length)) + if (i + 1 < length) d |= data[i + 1] << 8; raw_data = cpu_to_le16(d); outw(raw_data, hw->base_port + IODMADPR); @@ -549,12 +549,7 @@ static struct ipw_rx_packet *pool_allocate(struct ipw_hardware *hw, if (!packet) { unsigned long flags; - /* - * If this is the first fragment, then we will need to fetch a - * packet to put it in. - */ spin_lock_irqsave(&hw->spinlock, flags); - /* If we have one in our pool, then pull it out. */ if (!list_empty(&hw->rx_pool)) { packet = list_first_entry(&hw->rx_pool, struct ipw_rx_packet, queue); @@ -562,15 +557,14 @@ static struct ipw_rx_packet *pool_allocate(struct ipw_hardware *hw, hw->rx_pool_size--; spin_unlock_irqrestore(&hw->spinlock, flags); } else { - /* Otherwise allocate a new one. */ static int min_capacity = 256; int new_capacity; spin_unlock_irqrestore(&hw->spinlock, flags); new_capacity = - minimum_free_space > min_capacity - ? minimum_free_space - : min_capacity; + (minimum_free_space > min_capacity + ? minimum_free_space + : min_capacity); packet = kmalloc(sizeof(struct ipw_rx_packet) + new_capacity, GFP_ATOMIC); if (!packet) @@ -580,10 +574,6 @@ static struct ipw_rx_packet *pool_allocate(struct ipw_hardware *hw, packet->length = 0; } - /* - * If this packet does not have sufficient capacity for the data we - * want to add, then make it bigger. - */ if (packet->length + minimum_free_space > packet->capacity) { struct ipw_rx_packet *old_packet = packet; @@ -686,7 +676,7 @@ static void queue_received_packet(struct ipw_hardware *hw, list_add_tail(&packet->queue, &hw->rx_queue); /* Block reception of incoming packets if queue is full. */ hw->blocking_rx = - hw->rx_bytes_queued >= IPWIRELESS_RX_QUEUE_SIZE; + (hw->rx_bytes_queued >= IPWIRELESS_RX_QUEUE_SIZE); spin_unlock_irqrestore(&hw->spinlock, flags); schedule_work(&hw->work_rx); @@ -850,7 +840,7 @@ static void acknowledge_data_read(struct ipw_hardware *hw) static void do_receive_packet(struct ipw_hardware *hw) { unsigned len; - unsigned int i; + unsigned i; unsigned char pkt[LL_MTU_MAX]; start_timing(); @@ -916,8 +906,7 @@ static int get_current_packet_priority(struct ipw_hardware *hw) * until setup is complete. */ return (hw->to_setup || hw->initializing - ? PRIO_SETUP + 1 : - NL_NUM_OF_PRIORITIES); + ? PRIO_SETUP + 1 : NL_NUM_OF_PRIORITIES); } /* @@ -1128,9 +1117,8 @@ static irqreturn_t ipwireless_handle_v2_v3_interrupt(int irq, } else { return IRQ_NONE; } - } else { + } else return IRQ_NONE; - } } /* @@ -1297,15 +1285,14 @@ int ipwireless_send_packet(struct ipw_hardware *hw, unsigned int channel_idx, { struct ipw_tx_packet *packet; - packet = alloc_data_packet(length, - (unsigned char) (channel_idx + 1), - TL_PROTOCOLID_COM_DATA); + packet = alloc_data_packet(length, (channel_idx + 1), + TL_PROTOCOLID_COM_DATA); if (!packet) return -ENOMEM; packet->packet_callback = callback; packet->callback_data = callback_data; - memcpy((unsigned char *) packet + - sizeof(struct ipw_tx_packet), data, length); + memcpy((unsigned char *) packet + sizeof(struct ipw_tx_packet), data, + length); send_packet(hw, PRIO_DATA, packet); return 0; @@ -1321,12 +1308,11 @@ static int set_control_line(struct ipw_hardware *hw, int prio, protocolid = TL_PROTOCOLID_SETUP; packet = alloc_ctrl_packet(sizeof(struct ipw_control_packet), - (unsigned char) (channel_idx + 1), - protocolid, line); + (channel_idx + 1), protocolid, line); if (!packet) return -ENOMEM; packet->header.length = sizeof(struct ipw_control_packet_body); - packet->body.value = (unsigned char) (state == 0 ? 0 : 1); + packet->body.value = (state == 0 ? 0 : 1); send_packet(hw, prio, &packet->header); return 0; } @@ -1651,8 +1637,8 @@ void ipwireless_init_hardware_v1(struct ipw_hardware *hw, enable_irq(hw->irq); } hw->base_port = base_port; - hw->hw_version = is_v2_card ? HW_VERSION_2 : HW_VERSION_1; - hw->ll_mtu = hw->hw_version == HW_VERSION_1 ? LL_MTU_V1 : LL_MTU_V2; + hw->hw_version = (is_v2_card ? HW_VERSION_2 : HW_VERSION_1); + hw->ll_mtu = (hw->hw_version == HW_VERSION_1 ? LL_MTU_V1 : LL_MTU_V2); hw->memregs_CCR = (struct MEMCCR __iomem *) ((unsigned short __iomem *) attr_memory + 0x200); hw->memory_info_regs = (struct MEMINFREG __iomem *) common_memory; |