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>

diff --git a/drivers/net/ethernet/mediatek/mtk_eth_soc.c b/drivers/net/ethernet/mediatek/mtk_eth_soc.c
index bb7d623c604428fca082f8e717c6cf7bb6ec50a4..8ddbb8dcf0323984edad687346cda1d67ac5b967 100644 (file)
--- 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);