diff options
Diffstat (limited to 'drivers/staging/ks7010/ks7010_sdio.c')
| -rw-r--r-- | drivers/staging/ks7010/ks7010_sdio.c | 32 |
1 files changed, 5 insertions, 27 deletions
diff --git a/drivers/staging/ks7010/ks7010_sdio.c b/drivers/staging/ks7010/ks7010_sdio.c index e3e298995164..87d5519b6ccb 100644 --- a/drivers/staging/ks7010/ks7010_sdio.c +++ b/drivers/staging/ks7010/ks7010_sdio.c @@ -32,8 +32,6 @@ static const struct sdio_device_id ks7010_sdio_ids[] = { }; MODULE_DEVICE_TABLE(sdio, ks7010_sdio_ids); -/* macro */ - #define inc_txqhead(priv) \ (priv->tx_dev.qhead = (priv->tx_dev.qhead + 1) % TX_DEVICE_BUFF_SIZE) #define inc_txqtail(priv) \ @@ -247,7 +245,6 @@ static int enqueue_txdev(struct ks_wlan_private *priv, unsigned char *p, } if ((TX_DEVICE_BUFF_SIZE - 1) <= cnt_txqbody(priv)) { - /* in case of buffer overflow */ DPRINTK(1, "tx buffer overflow\n"); ret = -EOVERFLOW; goto err_complete; @@ -389,7 +386,6 @@ static void ks_wlan_hw_rx(struct ks_wlan_private *priv, uint16_t size) /* receive data */ if (cnt_rxqbody(priv) >= (RX_DEVICE_BUFF_SIZE - 1)) { - /* in case of buffer overflow */ DPRINTK(1, "rx buffer overflow\n"); return; } @@ -453,14 +449,14 @@ static void ks7010_rw_function(struct work_struct *work) DPRINTK(4, "\n"); - /* wiat after DOZE */ + /* wait after DOZE */ if (time_after(priv->last_doze + ((30 * HZ) / 1000), jiffies)) { DPRINTK(4, "wait after DOZE\n"); queue_delayed_work(priv->wq, &priv->rw_dwork, 1); return; } - /* wiat after WAKEUP */ + /* wait after WAKEUP */ while (time_after(priv->last_wakeup + ((30 * HZ) / 1000), jiffies)) { DPRINTK(4, "wait after WAKEUP\n"); dev_info(&priv->ks_sdio_card->func->dev, @@ -588,15 +584,12 @@ queue_delayed_work: static int trx_device_init(struct ks_wlan_private *priv) { - /* initialize values (tx) */ priv->tx_dev.qhead = 0; priv->tx_dev.qtail = 0; - /* initialize values (rx) */ priv->rx_dev.qhead = 0; priv->rx_dev.qtail = 0; - /* initialize spinLock (tx,rx) */ spin_lock_init(&priv->tx_dev.tx_dev_lock); spin_lock_init(&priv->rx_dev.rx_dev_lock); @@ -612,7 +605,7 @@ static void trx_device_exit(struct ks_wlan_private *priv) /* tx buffer clear */ while (cnt_txqbody(priv) > 0) { sp = &priv->tx_dev.tx_dev_buff[priv->tx_dev.qhead]; - kfree(sp->sendp); /* allocated memory free */ + kfree(sp->sendp); if (sp->complete_handler) /* TX Complete */ (*sp->complete_handler)(priv, sp->skb); inc_txqhead(priv); @@ -686,7 +679,6 @@ static int ks7010_upload_firmware(struct ks_sdio_card *card) unsigned int length; const struct firmware *fw_entry = NULL; - /* buffer allocate */ rom_buf = kmalloc(ROM_BUFF_SIZE, GFP_KERNEL); if (!rom_buf) return -ENOMEM; @@ -707,7 +699,6 @@ static int ks7010_upload_firmware(struct ks_sdio_card *card) length = fw_entry->size; - /* Load Program */ n = 0; do { if (length >= ROM_BUFF_SIZE) { @@ -721,18 +712,16 @@ static int ks7010_upload_firmware(struct ks_sdio_card *card) if (size == 0) break; memcpy(rom_buf, fw_entry->data + n, size); - /* Update write index */ + offset = n; ret = ks7010_sdio_update_index(priv, KS7010_IRAM_ADDRESS + offset); if (ret) goto release_firmware; - /* Write data */ ret = ks7010_sdio_write(priv, DATA_WINDOW, rom_buf, size); if (ret) goto release_firmware; - /* compare */ ret = ks7010_sdio_data_compare(priv, DATA_WINDOW, rom_buf, size); if (ret) goto release_firmware; @@ -741,7 +730,6 @@ static int ks7010_upload_firmware(struct ks_sdio_card *card) } while (size); - /* Remap request */ rw_data = GCR_A_REMAP; ret = ks7010_sdio_write(priv, GCR_A, &rw_data, sizeof(rw_data)); if (ret) @@ -781,7 +769,6 @@ static void ks7010_card_init(struct ks_wlan_private *priv) { DPRINTK(5, "\ncard_init_task()\n"); - /* init_waitqueue_head(&priv->confirm_wait); */ init_completion(&priv->confirm_wait); DPRINTK(5, "init_completion()\n"); @@ -872,27 +859,18 @@ static int ks7010_sdio_probe(struct sdio_func *func, priv = NULL; netdev = NULL; - /* initialize ks_sdio_card */ card = kzalloc(sizeof(*card), GFP_KERNEL); if (!card) return -ENOMEM; card->func = func; - /*** Initialize SDIO ***/ sdio_claim_host(func); - /* bus setting */ - /* Issue config request to override clock rate */ - - /* function blocksize set */ ret = sdio_set_block_size(func, KS7010_IO_BLOCK_SIZE); DPRINTK(5, "multi_block=%d sdio_set_block_size()=%d %d\n", func->card->cccr.multi_block, func->cur_blksize, ret); - /* Allocate the slot current */ - - /* function enable */ ret = sdio_enable_func(func); DPRINTK(5, "sdio_enable_func() %d\n", ret); if (ret) @@ -942,7 +920,7 @@ static int ks7010_sdio_probe(struct sdio_func *func, priv->net_dev = netdev; priv->firmware_version[0] = '\0'; priv->version_size = 0; - priv->last_doze = jiffies; /* set current jiffies */ + priv->last_doze = jiffies; priv->last_wakeup = jiffies; memset(&priv->nstats, 0, sizeof(priv->nstats)); memset(&priv->wstats, 0, sizeof(priv->wstats)); |