sh_eth: remove mask fields from 'struct bb_info'

The MDIO control bits are always mapped to the same bits of the same register
(PIR), so there's no need to store their masks in the 'struct bb_info'...

Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Acked-by: Simon Horman <horms+renesas@verge.net.au>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/renesas/sh_eth.c

@@ -1013,10 +1013,6 @@ struct bb_info {
 	void (*set_gate)(void *addr);
 	struct mdiobb_ctrl ctrl;
 	void *addr;
-	u32 mmd_msk;/* MMD */
-	u32 mdo_msk;
-	u32 mdi_msk;
-	u32 mdc_msk;
 };
 
 /* PHY bit set */
@@ -1046,9 +1042,9 @@ static void sh_mmd_ctrl(struct mdiobb_ctrl *ctrl, int bit)
 		bitbang->set_gate(bitbang->addr);
 
 	if (bit)
-		bb_set(bitbang->addr, bitbang->mmd_msk);
+		bb_set(bitbang->addr, PIR_MMD);
 	else
-		bb_clr(bitbang->addr, bitbang->mmd_msk);
+		bb_clr(bitbang->addr, PIR_MMD);
 }
 
 /* Set bit data*/
@@ -1060,9 +1056,9 @@ static void sh_set_mdio(struct mdiobb_ctrl *ctrl, int bit)
 		bitbang->set_gate(bitbang->addr);
 
 	if (bit)
-		bb_set(bitbang->addr, bitbang->mdo_msk);
+		bb_set(bitbang->addr, PIR_MDO);
 	else
-		bb_clr(bitbang->addr, bitbang->mdo_msk);
+		bb_clr(bitbang->addr, PIR_MDO);
 }
 
 /* Get bit data*/
@@ -1073,7 +1069,7 @@ static int sh_get_mdio(struct mdiobb_ctrl *ctrl)
 	if (bitbang->set_gate)
 		bitbang->set_gate(bitbang->addr);
 
-	return bb_read(bitbang->addr, bitbang->mdi_msk);
+	return bb_read(bitbang->addr, PIR_MDI);
 }
 
 /* MDC pin control */
@@ -1085,9 +1081,9 @@ static void sh_mdc_ctrl(struct mdiobb_ctrl *ctrl, int bit)
 		bitbang->set_gate(bitbang->addr);
 
 	if (bit)
-		bb_set(bitbang->addr, bitbang->mdc_msk);
+		bb_set(bitbang->addr, PIR_MDC);
 	else
-		bb_clr(bitbang->addr, bitbang->mdc_msk);
+		bb_clr(bitbang->addr, PIR_MDC);
 }
 
 /* mdio bus control struct */
@@ -2899,10 +2895,6 @@ static int sh_mdio_init(struct sh_eth_private *mdp,
 	/* bitbang init */
 	bitbang->addr = mdp->addr + mdp->reg_offset[PIR];
 	bitbang->set_gate = pd->set_mdio_gate;
-	bitbang->mdi_msk = PIR_MDI;
-	bitbang->mdo_msk = PIR_MDO;
-	bitbang->mmd_msk = PIR_MMD;
-	bitbang->mdc_msk = PIR_MDC;
 	bitbang->ctrl.ops = &bb_ops;
 
 	/* MII controller setting */