diff options
| author | David S. Miller <davem@davemloft.net> | 2015-02-09 14:35:57 -0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2015-02-09 14:35:57 -0800 |
| commit | 2573beec56aa28a0e6d4430fb6796d0c76308bcf (patch) | |
| tree | 15c902551b78a954d5138304b97a16a4d9968202 /drivers/net/ethernet/amd/xgbe/xgbe-drv.c | |
| parent | fd3137cd33ae5590c45c81e9a46fe53b6ab5f66e (diff) | |
| parent | 531c94a9681b8c253fd0490a4ca8bbe01a38c78b (diff) | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/amd/xgbe/xgbe-drv.c')
| -rw-r--r-- | drivers/net/ethernet/amd/xgbe/xgbe-drv.c | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/drivers/net/ethernet/amd/xgbe/xgbe-drv.c b/drivers/net/ethernet/amd/xgbe/xgbe-drv.c index d41f9f468688..b93d4404d975 100644 --- a/drivers/net/ethernet/amd/xgbe/xgbe-drv.c +++ b/drivers/net/ethernet/amd/xgbe/xgbe-drv.c @@ -342,12 +342,13 @@ static irqreturn_t xgbe_isr(int irq, void *data) dma_ch_isr = XGMAC_DMA_IOREAD(channel, DMA_CH_SR); DBGPR(" DMA_CH%u_ISR = %08x\n", i, dma_ch_isr); - /* If we get a TI or RI interrupt that means per channel DMA - * interrupts are not enabled, so we use the private data napi - * structure, not the per channel napi structure + /* The TI or RI interrupt bits may still be set even if using + * per channel DMA interrupts. Check to be sure those are not + * enabled before using the private data napi structure. */ - if (XGMAC_GET_BITS(dma_ch_isr, DMA_CH_SR, TI) || - XGMAC_GET_BITS(dma_ch_isr, DMA_CH_SR, RI)) { + if (!pdata->per_channel_irq && + (XGMAC_GET_BITS(dma_ch_isr, DMA_CH_SR, TI) || + XGMAC_GET_BITS(dma_ch_isr, DMA_CH_SR, RI))) { if (napi_schedule_prep(&pdata->napi)) { /* Disable Tx and Rx interrupts */ xgbe_disable_rx_tx_ints(pdata); |