sh_eth: kill useless *switch* defaults

The driver often has the *default* cases doing nothing in the *switch*
statements with  the integer expressions -- remove them.
Signed-off-by: NSergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Reviewed-by: NSimon Horman <horms+renesas@verge.net.au>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

drivers/net/ethernet/renesas/sh_eth.c

@@ -500,8 +500,6 @@ static void sh_eth_set_rate_gether(struct net_device *ndev)
 	case 1000: /* 1000BASE */
 		sh_eth_write(ndev, GECMR_1000, GECMR);
 		break;
-	default:
-		break;
 	}
 }
 
@@ -592,8 +590,6 @@ static void sh_eth_set_rate_r8a777x(struct net_device *ndev)
 	case 100:/* 100BASE */
 		sh_eth_modify(ndev, ECMR, ECMR_ELB, ECMR_ELB);
 		break;
-	default:
-		break;
 	}
 }
 
@@ -658,8 +654,6 @@ static void sh_eth_set_rate_sh7724(struct net_device *ndev)
 	case 100:/* 100BASE */
 		sh_eth_modify(ndev, ECMR, ECMR_RTM, ECMR_RTM);
 		break;
-	default:
-		break;
 	}
 }
 
@@ -698,8 +692,6 @@ static void sh_eth_set_rate_sh7757(struct net_device *ndev)
 	case 100:/* 100BASE */
 		sh_eth_write(ndev, 1, RTRATE);
 		break;
-	default:
-		break;
 	}
 }
 
@@ -767,8 +759,6 @@ static void sh_eth_set_rate_giga(struct net_device *ndev)
 	case 1000: /* 1000BASE */
 		sh_eth_write(ndev, 0x00000020, GECMR);
 		break;
-	default:
-		break;
 	}
 }
 
@@ -2917,8 +2907,6 @@ static const u16 *sh_eth_get_register_offset(int register_type)
 	case SH_ETH_REG_FAST_SH3_SH2:
 		reg_offset = sh_eth_offset_fast_sh3_sh2;
 		break;
-	default:
-		break;
 	}
 
 	return reg_offset;