enetc: remove variable 'tc_max_sized_frame' set but not used

Fixes gcc '-Wunused-but-set-variable' warning:

drivers/net/ethernet/freescale/enetc/enetc_qos.c: In function enetc_setup_tc_cbs:
drivers/net/ethernet/freescale/enetc/enetc_qos.c:195:6: warning: variable tc_max_sized_frame set but not used [-Wunused-but-set-variable]

Fixes: c431047c4efe ("enetc: add support Credit Based Shaper(CBS) for hardware offload")
Signed-off-by: Chen Wandun <chenwandun@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/ethernet/freescale/enetc/enetc_qos.c b/drivers/net/ethernet/freescale/enetc/enetc_qos.c
index 2e99438..9190ffc 100644 (file)
--- a/drivers/net/ethernet/freescale/enetc/enetc_qos.c
+++ b/drivers/net/ethernet/freescale/enetc/enetc_qos.c
@@ -192,7 +192,6 @@ int enetc_setup_tc_cbs(struct net_device *ndev, void *type_data)
        u32 hi_credit_bit, hi_credit_reg;
        u32 max_interference_size;
        u32 port_frame_max_size;
-       u32 tc_max_sized_frame;
        u8 tc = cbs->queue;
        u8 prio_top, prio_next;
        int bw_sum = 0;
@@ -250,7 +249,7 @@ int enetc_setup_tc_cbs(struct net_device *ndev, void *type_data)
                return -EINVAL;
        }
 
-       tc_max_sized_frame = enetc_port_rd(&si->hw, ENETC_PTCMSDUR(tc));
+       enetc_port_rd(&si->hw, ENETC_PTCMSDUR(tc));
 
        /* For top prio TC, the max_interfrence_size is maxSizedFrame.
         *