p71924506
/
linux_old1
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

amd-xgbe: Use disable_irq_nosync when in IRQ context 

The disable_irq_nosync function, not the disable_irq function, must be
used to disable the DMA channel interrupt from within the interrupt
service routine. Change the disable_irq call to disable_irq_nosync.

Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Lendacky, Thomas 2014-12-09 14:54:08 -06:00 committed by David S. Miller
parent 213a9922d1
commit f9c5c62db1
1 changed files with 1 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/net/ethernet/amd/xgbe/xgbe-drv.c
View File

@ -396,7 +396,7 @@ static irqreturn_t xgbe_dma_isr(int irq, void *data)
*/
if (napi_schedule_prep(&channel->napi)) {
/* Disable Tx and Rx interrupts */
disable_irq(channel->dma_irq);
disable_irq_nosync(channel->dma_irq);
/* Turn on polling */
__napi_schedule(&channel->napi);