sh_eth: kill useless check in __sh_eth_get_regs()

Iff TSU registers exist on a given [G]Ether controller, they always include
the CAM entry table registers (TSU_ADR{H|L}<n>), thus the check for invalid
TSU_ADRH0 offset in __sh_eth_get_regs() is useless...

Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 10 insertions, 15 deletions

diff --git a/drivers/net/ethernet/renesas/sh_eth.c b/drivers/net/ethernet/renesas/sh_eth.c
index 2bff03345b72..b6b90a6314e3 100644
--- a/drivers/net/ethernet/renesas/sh_eth.c
+++ b/drivers/net/ethernet/renesas/sh_eth.c
@@ -2153,22 +2153,17 @@ static size_t __sh_eth_get_regs(struct net_device *ndev, u32 *buf)
                 add_tsu_reg(TSU_POST2);
                 add_tsu_reg(TSU_POST3);
                 add_tsu_reg(TSU_POST4);
-                if (mdp->reg_offset[TSU_ADRH0] != SH_ETH_OFFSET_INVALID) {
-                        /* This is the start of a table, not just a single
-                         * register.
-                         */
-                        if (buf) {
-                                unsigned int i;
-
-                                mark_reg_valid(TSU_ADRH0);
-                                for (i = 0; i < SH_ETH_TSU_CAM_ENTRIES * 2; i++)
-                                        *buf++ = ioread32(
-                                                mdp->tsu_addr +
-                                                mdp->reg_offset[TSU_ADRH0] +
-                                                i * 4);
-                        }
-                        len += SH_ETH_TSU_CAM_ENTRIES * 2;
+                /* This is the start of a table, not just a single register. */
+                if (buf) {
+                        unsigned int i;
+
+                        mark_reg_valid(TSU_ADRH0);
+                        for (i = 0; i < SH_ETH_TSU_CAM_ENTRIES * 2; i++)
+                                *buf++ = ioread32(mdp->tsu_addr +
+                                                  mdp->reg_offset[TSU_ADRH0] +
+                                                  i * 4);
                 }
+                len += SH_ETH_TSU_CAM_ENTRIES * 2;
         }
 
 #undef mark_reg_valid