[PATCH -next] net: dsa: sja1105: remove set but not used variable 'prev_time'

[Samuel Zou]

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

drivers/net/dsa/sja1105/sja1105_vl.c:468:6: warning: variable ‘prev_time’ set 
but not used [-Wunused-but-set-variable]
  u32 prev_time = 0;
      ^~~~~~~~~

Reported-by: Hulk Robot <hul...@huawei.com>
Signed-off-by: Samuel Zou <zou_...@huawei.com>
---
 drivers/net/dsa/sja1105/sja1105_vl.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/drivers/net/dsa/sja1105/sja1105_vl.c 
b/drivers/net/dsa/sja1105/sja1105_vl.c
index b52f1af..aa9b0b9 100644
--- a/drivers/net/dsa/sja1105/sja1105_vl.c
+++ b/drivers/net/dsa/sja1105/sja1105_vl.c
@@ -465,7 +465,6 @@ sja1105_gating_cfg_time_to_interval(struct 
sja1105_gating_config *gating_cfg,
        struct sja1105_gate_entry *last_e;
        struct sja1105_gate_entry *e;
        struct list_head *prev;
-       u32 prev_time = 0;
 
        list_for_each_entry(e, &gating_cfg->entries, list) {
                struct sja1105_gate_entry *p;
@@ -476,7 +475,6 @@ sja1105_gating_cfg_time_to_interval(struct 
sja1105_gating_config *gating_cfg,
                        continue;
 
                p = list_entry(prev, struct sja1105_gate_entry, list);
-               prev_time = e->interval;
                p->interval = e->interval - p->interval;
        }
        last_e = list_last_entry(&gating_cfg->entries,
-- 
2.6.2