summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
authorDavid S. Miller <davem@davemloft.net>2019-08-25 19:07:04 -0700
committerDavid S. Miller <davem@davemloft.net>2019-08-25 19:07:04 -0700
commit2889456498c635f4e8262a8401b2eddc263953c7 (patch)
treec0d88cfa6a811c5c934c95090201aee36b11759f
parentee641b0cdb9486f8212a3da153a46ab3551a97e5 (diff)
downloadlinux-2889456498c635f4e8262a8401b2eddc263953c7.tar.bz2
Revert "net: mediatek: remove set but not used variable 'status'"
This reverts commit ee641b0cdb9486f8212a3da153a46ab3551a97e5. Actually it is not clear whether this register read is not needed for it's HW side effects or not. Signed-off-by: David S. Miller <davem@davemloft.net>
-rw-r--r--drivers/net/ethernet/mediatek/mtk_eth_soc.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/net/ethernet/mediatek/mtk_eth_soc.c b/drivers/net/ethernet/mediatek/mtk_eth_soc.c
index bb7d623c6044..8ddbb8dcf032 100644
--- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c
+++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c
@@ -1948,7 +1948,9 @@ static irqreturn_t mtk_handle_irq_tx(int irq, void *_eth)
static irqreturn_t mtk_handle_irq(int irq, void *_eth)
{
struct mtk_eth *eth = _eth;
+ u32 status;
+ status = mtk_r32(eth, MTK_PDMA_INT_STATUS);
if (mtk_r32(eth, MTK_PDMA_INT_MASK) & MTK_RX_DONE_INT) {
if (mtk_r32(eth, MTK_PDMA_INT_STATUS) & MTK_RX_DONE_INT)
mtk_handle_irq_rx(irq, _eth);