ucc_geth: Fix a bunch of sparse warnings

ucc_geth didn't have anything marked as __iomem.  It was also inconsistent
with its use of in/out accessors (using them sometimes, not using them other
times).  Cleaning this up cuts the warnings down from hundreds to just over a
dozen.
Signed-off-by: Andy Fleming <afleming@freescale.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>

drivers/net/ucc_geth.h

@@ -700,8 +700,8 @@ struct ucc_geth_82xx_address_filtering_pram {
 	u32 iaddr_l;		/* individual address filter, low */
 	u32 gaddr_h;		/* group address filter, high */
 	u32 gaddr_l;		/* group address filter, low */
-	struct ucc_geth_82xx_enet_address taddr;
-	struct ucc_geth_82xx_enet_address paddr[NUM_OF_PADDRS];
+	struct ucc_geth_82xx_enet_address __iomem taddr;
+	struct ucc_geth_82xx_enet_address __iomem paddr[NUM_OF_PADDRS];
 	u8 res0[0x40 - 0x38];
 } __attribute__ ((packed));
 
@@ -1186,40 +1186,40 @@ struct ucc_geth_private {
 	struct ucc_fast_private *uccf;
 	struct net_device *dev;
 	struct napi_struct napi;
-	struct ucc_geth *ug_regs;
+	struct ucc_geth __iomem *ug_regs;
 	struct ucc_geth_init_pram *p_init_enet_param_shadow;
-	struct ucc_geth_exf_global_pram *p_exf_glbl_param;
+	struct ucc_geth_exf_global_pram __iomem *p_exf_glbl_param;
 	u32 exf_glbl_param_offset;
-	struct ucc_geth_rx_global_pram *p_rx_glbl_pram;
+	struct ucc_geth_rx_global_pram __iomem *p_rx_glbl_pram;
 	u32 rx_glbl_pram_offset;
-	struct ucc_geth_tx_global_pram *p_tx_glbl_pram;
+	struct ucc_geth_tx_global_pram __iomem *p_tx_glbl_pram;
 	u32 tx_glbl_pram_offset;
-	struct ucc_geth_send_queue_mem_region *p_send_q_mem_reg;
+	struct ucc_geth_send_queue_mem_region __iomem *p_send_q_mem_reg;
 	u32 send_q_mem_reg_offset;
-	struct ucc_geth_thread_data_tx *p_thread_data_tx;
+	struct ucc_geth_thread_data_tx __iomem *p_thread_data_tx;
 	u32 thread_dat_tx_offset;
-	struct ucc_geth_thread_data_rx *p_thread_data_rx;
+	struct ucc_geth_thread_data_rx __iomem *p_thread_data_rx;
 	u32 thread_dat_rx_offset;
-	struct ucc_geth_scheduler *p_scheduler;
+	struct ucc_geth_scheduler __iomem *p_scheduler;
 	u32 scheduler_offset;
-	struct ucc_geth_tx_firmware_statistics_pram *p_tx_fw_statistics_pram;
+	struct ucc_geth_tx_firmware_statistics_pram __iomem *p_tx_fw_statistics_pram;
 	u32 tx_fw_statistics_pram_offset;
-	struct ucc_geth_rx_firmware_statistics_pram *p_rx_fw_statistics_pram;
+	struct ucc_geth_rx_firmware_statistics_pram __iomem *p_rx_fw_statistics_pram;
 	u32 rx_fw_statistics_pram_offset;
-	struct ucc_geth_rx_interrupt_coalescing_table *p_rx_irq_coalescing_tbl;
+	struct ucc_geth_rx_interrupt_coalescing_table __iomem *p_rx_irq_coalescing_tbl;
 	u32 rx_irq_coalescing_tbl_offset;
-	struct ucc_geth_rx_bd_queues_entry *p_rx_bd_qs_tbl;
+	struct ucc_geth_rx_bd_queues_entry __iomem *p_rx_bd_qs_tbl;
 	u32 rx_bd_qs_tbl_offset;
-	u8 *p_tx_bd_ring[NUM_TX_QUEUES];
+	u8 __iomem *p_tx_bd_ring[NUM_TX_QUEUES];
 	u32 tx_bd_ring_offset[NUM_TX_QUEUES];
-	u8 *p_rx_bd_ring[NUM_RX_QUEUES];
+	u8 __iomem *p_rx_bd_ring[NUM_RX_QUEUES];
 	u32 rx_bd_ring_offset[NUM_RX_QUEUES];
-	u8 *confBd[NUM_TX_QUEUES];
-	u8 *txBd[NUM_TX_QUEUES];
-	u8 *rxBd[NUM_RX_QUEUES];
+	u8 __iomem *confBd[NUM_TX_QUEUES];
+	u8 __iomem *txBd[NUM_TX_QUEUES];
+	u8 __iomem *rxBd[NUM_RX_QUEUES];
 	int badFrame[NUM_RX_QUEUES];
 	u16 cpucount[NUM_TX_QUEUES];
-	volatile u16 *p_cpucount[NUM_TX_QUEUES];
+	u16 __iomem *p_cpucount[NUM_TX_QUEUES];
 	int indAddrRegUsed[NUM_OF_PADDRS];
 	u8 paddr[NUM_OF_PADDRS][ENET_NUM_OCTETS_PER_ADDRESS];	/* ethernet address */
 	u8 numGroupAddrInHash;
@@ -1251,4 +1251,12 @@ struct ucc_geth_private {
 	int oldlink;
 };
 
+void uec_set_ethtool_ops(struct net_device *netdev);
+int init_flow_control_params(u32 automatic_flow_control_mode,
+		int rx_flow_control_enable, int tx_flow_control_enable,
+		u16 pause_period, u16 extension_field,
+		u32 __iomem *upsmr_register, u32 __iomem *uempr_register,
+		u32 __iomem *maccfg1_register);
+
+
 #endif				/* __UCC_GETH_H__ */

drivers/net/ucc_geth_ethtool.c

@@ -108,12 +108,6 @@ static char rx_fw_stat_gstrings[][ETH_GSTRING_LEN] = {
 #define UEC_TX_FW_STATS_LEN ARRAY_SIZE(tx_fw_stat_gstrings)
 #define UEC_RX_FW_STATS_LEN ARRAY_SIZE(rx_fw_stat_gstrings)
 
-extern int init_flow_control_params(u32 automatic_flow_control_mode,
-		int rx_flow_control_enable,
-		int tx_flow_control_enable, u16 pause_period,
-		u16 extension_field, volatile u32 *upsmr_register,
-		volatile u32 *uempr_register, volatile u32 *maccfg1_register);
-
 static int
 uec_get_settings(struct net_device *netdev, struct ethtool_cmd *ecmd)
 {

drivers/net/ucc_geth_mii.c

@@ -104,7 +104,7 @@ int uec_mdio_read(struct mii_bus *bus, int mii_id, int regnum)
 }
 
 /* Reset the MIIM registers, and wait for the bus to free */
-int uec_mdio_reset(struct mii_bus *bus)
+static int uec_mdio_reset(struct mii_bus *bus)
 {
 	struct ucc_mii_mng __iomem *regs = (void __iomem *)bus->priv;
 	unsigned int timeout = PHY_INIT_TIMEOUT;
@@ -240,7 +240,7 @@ static int uec_mdio_probe(struct of_device *ofdev, const struct of_device_id *ma
 	return err;
 }
 
-int uec_mdio_remove(struct of_device *ofdev)
+static int uec_mdio_remove(struct of_device *ofdev)
 {
 	struct device *device = &ofdev->dev;
 	struct mii_bus *bus = dev_get_drvdata(device);