Commit 7fd3c60c authored by Lorenzo Bianconi's avatar Lorenzo Bianconi Committed by Felix Fietkau

mt76x0: disable usb rx bulk aggregation

In order to use zero-copying, disable usb rx bulk aggregation
Signed-off-by: default avatarLorenzo Bianconi <lorenzo.bianconi@redhat.com>
Signed-off-by: default avatarStanislaw Gruszka <sgruszka@redhat.com>
Signed-off-by: default avatarFelix Fietkau <nbd@nbd.name>
parent 8f6c23a9
......@@ -109,17 +109,17 @@ static void mt76x0_reset_csr_bbp(struct mt76x0_dev *dev)
static void mt76x0_init_usb_dma(struct mt76x0_dev *dev)
{
struct mt76_usb *usb = &dev->mt76.usb;
u32 val;
val = mt76_rr(dev, MT_USB_DMA_CFG);
val |= FIELD_PREP(MT_USB_DMA_CFG_RX_BULK_AGG_TOUT, MT_USB_AGGR_TIMEOUT) |
FIELD_PREP(MT_USB_DMA_CFG_RX_BULK_AGG_LMT, MT_USB_AGGR_SIZE_LIMIT) |
MT_USB_DMA_CFG_RX_BULK_EN |
val |= MT_USB_DMA_CFG_RX_BULK_EN |
MT_USB_DMA_CFG_TX_BULK_EN;
if (usb->in_max_packet == 512)
val |= MT_USB_DMA_CFG_RX_BULK_AGG_EN;
/* disable AGGR_BULK_RX in order to receive one
* frame in each rx urb and avoid copies
*/
val &= ~MT_USB_DMA_CFG_RX_BULK_AGG_EN;
mt76_wr(dev, MT_USB_DMA_CFG, val);
val = mt76_rr(dev, MT_COM_REG0);
......
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