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i2c:smbus_eeprom: Add normal type name and cast to smbus_eeprom.c 

Create a type name and a cast macro and use those through the
code.

Signed-off-by: Corey Minyard <cminyard@mvista.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
This commit is contained in:
Corey Minyard 2018-11-08 11:31:31 -06:00
parent 547db24a17
commit b398a92440
1 changed files with 10 additions and 5 deletions
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15
hw/i2c/smbus_eeprom.c
View File

@ -32,6 +32,11 @@
//#define DEBUG //#define DEBUG
#define TYPE_SMBUS_EEPROM "smbus-eeprom"
#define SMBUS_EEPROM(obj) \
OBJECT_CHECK(SMBusEEPROMDevice, (obj), TYPE_SMBUS_EEPROM)
typedef struct SMBusEEPROMDevice { typedef struct SMBusEEPROMDevice {
SMBusDevice smbusdev; SMBusDevice smbusdev;
void *data; void *data;
@ -40,7 +45,7 @@ typedef struct SMBusEEPROMDevice {
static uint8_t eeprom_receive_byte(SMBusDevice *dev) static uint8_t eeprom_receive_byte(SMBusDevice *dev)
{ {
SMBusEEPROMDevice *eeprom = (SMBusEEPROMDevice *) dev; SMBusEEPROMDevice *eeprom = SMBUS_EEPROM(dev);
uint8_t *data = eeprom->data; uint8_t *data = eeprom->data;
uint8_t val = data[eeprom->offset++]; uint8_t val = data[eeprom->offset++];
@ -53,7 +58,7 @@ static uint8_t eeprom_receive_byte(SMBusDevice *dev)
static int eeprom_write_data(SMBusDevice *dev, uint8_t *buf, uint8_t len) static int eeprom_write_data(SMBusDevice *dev, uint8_t *buf, uint8_t len)
{ {
SMBusEEPROMDevice *eeprom = (SMBusEEPROMDevice *) dev; SMBusEEPROMDevice *eeprom = SMBUS_EEPROM(dev);
uint8_t *data = eeprom->data; uint8_t *data = eeprom->data;
#ifdef DEBUG #ifdef DEBUG
@ -75,7 +80,7 @@ static int eeprom_write_data(SMBusDevice *dev, uint8_t *buf, uint8_t len)
static void smbus_eeprom_realize(DeviceState *dev, Error **errp) static void smbus_eeprom_realize(DeviceState *dev, Error **errp)
{ {
SMBusEEPROMDevice *eeprom = (SMBusEEPROMDevice *)dev; SMBusEEPROMDevice *eeprom = SMBUS_EEPROM(dev);
eeprom->offset = 0; eeprom->offset = 0;
} }
@ -99,7 +104,7 @@ static void smbus_eeprom_class_initfn(ObjectClass *klass, void *data)
} }
static const TypeInfo smbus_eeprom_info = { static const TypeInfo smbus_eeprom_info = {
.name = "smbus-eeprom", .name = TYPE_SMBUS_EEPROM,
.parent = TYPE_SMBUS_DEVICE, .parent = TYPE_SMBUS_DEVICE,
.instance_size = sizeof(SMBusEEPROMDevice), .instance_size = sizeof(SMBusEEPROMDevice),
.class_init = smbus_eeprom_class_initfn, .class_init = smbus_eeprom_class_initfn,
@ -116,7 +121,7 @@ void smbus_eeprom_init_one(I2CBus *smbus, uint8_t address, uint8_t *eeprom_buf)
{ {
DeviceState *dev; DeviceState *dev;
dev = qdev_create((BusState *) smbus, "smbus-eeprom"); dev = qdev_create((BusState *) smbus, TYPE_SMBUS_EEPROM);
qdev_prop_set_uint8(dev, "address", address); qdev_prop_set_uint8(dev, "address", address);
qdev_prop_set_ptr(dev, "data", eeprom_buf); qdev_prop_set_ptr(dev, "data", eeprom_buf);
qdev_init_nofail(dev); qdev_init_nofail(dev);