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mt76usb: use synchronous msg for mcu command responses

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Use usb_bulk_msg for reading MCU command responses. This simplify code
a lot.

Together with 97a3005759c ("mt76usb: allow mt76u_bulk_msg be used
for reads") it also fix possible problems with rx data buffers
not being aligned and contained within single page. After doing
page_frag_alloc(1024) consecutive page_frag_alloc(PAGE_SIZE) will
alloc PAGE_SIZE buffer at PAGE_SIZE - 1024 offset.

Signed-off-by: Stanislaw Gruszka <[email protected]>
Signed-off-by: Felix Fietkau <[email protected]>
This commit is contained in:
Stanislaw Gruszka
2019-02-26 12:26:02 +01:00
committed by Felix Fietkau
parent e5747b2c46
commit 2437a9ad7b
6 changed files with 15 additions and 74 deletions
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usb.c
-1
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@@ -933,7 +933,6 @@ int mt76u_init(struct mt76_dev *dev,
INIT_DELAYED_WORK(&usb->stat_work, mt76u_tx_status_data);
skb_queue_head_init(&dev->rx_skb[MT_RXQ_MAIN]);
init_completion(&usb->mcu.cmpl);
mutex_init(&usb->mcu.mutex);
mutex_init(&usb->usb_ctrl_mtx);