spec-i2c.c: renamed constants, moved to header

kernel/spec-i2c.c

@@ -23,10 +23,6 @@
 static int spec_i2c_dump;
 module_param_named(i2c_dump, spec_i2c_dump, int, 0444);
 
-/* The eeprom is at address 0x50 */
-#define I2C_ADDR 0x50
-#define I2C_SIZE (8 * 1024)
-
 /* Stupid dumping tool */
 static void dumpstruct(char *name, void *ptr, int size)
 {
@@ -206,22 +202,23 @@ int spec_i2c_init(struct fmc_device *fmc)
 
 	mi2c_scan(fmc);
 
-	buf = kmalloc(I2C_SIZE, GFP_KERNEL);
+	buf = kmalloc(SPEC_I2C_EEPROM_SIZE, GFP_KERNEL);
 	if (!buf)
 		return -ENOMEM;
 
-	i = spec_eeprom_read(fmc, I2C_ADDR, 0, buf, I2C_SIZE);
-	if (i != I2C_SIZE) {
+	i = spec_eeprom_read(fmc, SPEC_I2C_EEPROM_ADDR, 0, buf,
+			     SPEC_I2C_EEPROM_SIZE);
+	if (i != SPEC_I2C_EEPROM_SIZE) {
 		dev_err(&spec->pdev->dev, "EEPROM read error: retval is %i\n",
 			i);
 		kfree(buf);
 		return -EIO;
 	}
 	fmc->eeprom = buf;
-	fmc->eeprom_len = I2C_SIZE;
+	fmc->eeprom_len = SPEC_I2C_EEPROM_SIZE;
 
 	if (spec_i2c_dump)
-		dumpstruct("eeprom", buf, I2C_SIZE);
+		dumpstruct("eeprom", buf, SPEC_I2C_EEPROM_SIZE);
 
 	return 0;
 }

kernel/spec.h

@@ -123,6 +123,14 @@ extern void spec_fmc_destroy(struct spec_dev *spec);
 /* Functions in spec-i2c.c, used by spec-fmc.c */
 extern int spec_i2c_init(struct fmc_device *fmc);
 extern void spec_i2c_exit(struct fmc_device *fmc);
+extern int spec_eeprom_read(struct fmc_device *fmc, int i2c_addr,
+			    uint32_t offset, void *buf, size_t size);
+extern int spec_eeprom_write(struct fmc_device *fmc, int i2c_addr,
+			     uint32_t offset, void *buf, size_t size);
+
+/* The eeprom is at address 0x50 */
+#define SPEC_I2C_EEPROM_ADDR 0x50
+#define SPEC_I2C_EEPROM_SIZE (8 * 1024)
 
 /* Functions in spec-gpio.c */
 extern int spec_gpio_init(struct fmc_device *fmc);