Revert "net: mediatek: remove set but not used variable 'status'"

This reverts commit 5b5e0d8ca644c0d749fe799aa3ae24e8a9ff9ef7.

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);