diff options
| author | Lorenzo Bianconi <lorenzo.bianconi@redhat.com> | 2018-10-05 11:28:37 +0300 |
|---|---|---|
| committer | Felix Fietkau <nbd@nbd.name> | 2018-10-05 21:05:46 +0300 |
| commit | 53d20fdb4670ae644f92a85eeabf50ea9b4d5ca6 (patch) | |
| tree | 60e17e3cd02ad13889c71458cacac6dd4300ce11 /drivers/net/wireless/mediatek/mt76/mt76x02_mmio.c | |
| parent | a23fde09c2801bb06df637bfb7d8c352330ee898 (diff) | |
| download | linux-53d20fdb4670ae644f92a85eeabf50ea9b4d5ca6.tar.xz | |
mt76: move tx_tasklet management in mt76x02-lib moudle
Move tx_tasklet management in mt76x02_mmio.c in order to
be reused by mt76x0 driver and remove duplicated code
Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi@redhat.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Diffstat (limited to 'drivers/net/wireless/mediatek/mt76/mt76x02_mmio.c')
| -rw-r--r-- | drivers/net/wireless/mediatek/mt76/mt76x02_mmio.c | 42 |
1 files changed, 41 insertions, 1 deletions
diff --git a/drivers/net/wireless/mediatek/mt76/mt76x02_mmio.c b/drivers/net/wireless/mediatek/mt76/mt76x02_mmio.c index 98aeb64d9c37..bb609b775de9 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76x02_mmio.c +++ b/drivers/net/wireless/mediatek/mt76/mt76x02_mmio.c @@ -57,16 +57,49 @@ mt76x02_init_rx_queue(struct mt76x02_dev *dev, struct mt76_queue *q, return 0; } +static void mt76x02_process_tx_status_fifo(struct mt76x02_dev *dev) +{ + struct mt76x02_tx_status stat; + u8 update = 1; + + while (kfifo_get(&dev->txstatus_fifo, &stat)) + mt76x02_send_tx_status(&dev->mt76, &stat, &update); +} + +static void mt76x02_tx_tasklet(unsigned long data) +{ + struct mt76x02_dev *dev = (struct mt76x02_dev *)data; + int i; + + mt76x02_process_tx_status_fifo(dev); + + for (i = MT_TXQ_MCU; i >= 0; i--) + mt76_queue_tx_cleanup(dev, i, false); + + mt76x02_mac_poll_tx_status(dev, false); + mt76x02_irq_enable(dev, MT_INT_TX_DONE_ALL); +} + int mt76x02_dma_init(struct mt76x02_dev *dev) { struct mt76_txwi_cache __maybe_unused *t; + int i, ret, fifo_size; struct mt76_queue *q; - int i, ret; + void *status_fifo; BUILD_BUG_ON(sizeof(t->txwi) < sizeof(struct mt76x02_txwi)); BUILD_BUG_ON(sizeof(struct mt76x02_rxwi) > MT_RX_HEADROOM); + fifo_size = roundup_pow_of_two(32 * sizeof(struct mt76x02_tx_status)); + status_fifo = devm_kzalloc(dev->mt76.dev, fifo_size, GFP_KERNEL); + if (!status_fifo) + return -ENOMEM; + + tasklet_init(&dev->tx_tasklet, mt76x02_tx_tasklet, (unsigned long) dev); + kfifo_init(&dev->txstatus_fifo, status_fifo, fifo_size); + mt76_dma_attach(&dev->mt76); + mt76_wr(dev, MT_WPDMA_RST_IDX, ~0); for (i = 0; i < IEEE80211_NUM_ACS; i++) { @@ -132,6 +165,13 @@ static void mt76x02_dma_enable(struct mt76x02_dev *dev) } EXPORT_SYMBOL_GPL(mt76x02_dma_enable); +void mt76x02_dma_cleanup(struct mt76x02_dev *dev) +{ + tasklet_kill(&dev->tx_tasklet); + mt76_dma_cleanup(&dev->mt76); +} +EXPORT_SYMBOL_GPL(mt76x02_dma_cleanup); + void mt76x02_dma_disable(struct mt76x02_dev *dev) { u32 val = mt76_rr(dev, MT_WPDMA_GLO_CFG); |