AuxXxilium/linux_dsm_epyc7002
1
0
Fork 0
mirror of https://github.com/AuxXxilium/linux_dsm_epyc7002.git synced 2025-01-25 06:39:39 +07:00
Code Issues Actions Packages Projects Releases Wiki Activity

mt76: add memory barrier to DMA queue kick

Browse Source 
Ensure that descriptor memory has been fully written before letting the
hardware read it

Signed-off-by: Felix Fietkau <nbd@nbd.name>
This commit is contained in:
Felix Fietkau 2020-03-24 11:57:43 +01:00
parent c32011bbde
commit 2d68104742
1 changed files with 1 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
drivers/net/wireless/mediatek/mt76/dma.c
View File

@ -143,6 +143,7 @@ mt76_dma_sync_idx(struct mt76_dev *dev, struct mt76_queue *q)
static void
mt76_dma_kick_queue(struct mt76_dev *dev, struct mt76_queue *q)
{
wmb();
writel(q->head, &q->regs->cpu_idx);
}