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i2c:smbus_eeprom: Add a size constant for the smbus_eeprom size

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It was hard-coded to 256 in a number of places, create a constant
for that.

Signed-off-by: Corey Minyard <cminyard@mvista.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
This commit is contained in:
Corey Minyard 2018-11-08 11:54:15 -06:00
parent b398a92440
commit 0cf487e5bd
1 changed files with 7 additions and 3 deletions
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10
hw/i2c/smbus_eeprom.c
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@ -37,6 +37,8 @@
#define SMBUS_EEPROM(obj) \
OBJECT_CHECK(SMBusEEPROMDevice, (obj), TYPE_SMBUS_EEPROM)
#define SMBUS_EEPROM_SIZE 256
typedef struct SMBusEEPROMDevice {
SMBusDevice smbusdev;
void *data;
@ -72,7 +74,7 @@ static int eeprom_write_data(SMBusDevice *dev, uint8_t *buf, uint8_t len)
for (; len > 0; len--) {
data[eeprom->offset] = *buf++;
eeprom->offset = (eeprom->offset + 1) % 256;
eeprom->offset = (eeprom->offset + 1) % SMBUS_EEPROM_SIZE;
}
return 0;
@ -131,13 +133,15 @@ void smbus_eeprom_init(I2CBus *smbus, int nb_eeprom,
const uint8_t *eeprom_spd, int eeprom_spd_size)
{
int i;
uint8_t *eeprom_buf = g_malloc0(8 * 256); /* XXX: make this persistent */
/* XXX: make this persistent */
uint8_t *eeprom_buf = g_malloc0(8 * SMBUS_EEPROM_SIZE);
if (eeprom_spd_size > 0) {
memcpy(eeprom_buf, eeprom_spd, eeprom_spd_size);
}
for (i = 0; i < nb_eeprom; i++) {
smbus_eeprom_init_one(smbus, 0x50 + i, eeprom_buf + (i * 256));
smbus_eeprom_init_one(smbus, 0x50 + i,
eeprom_buf + (i * SMBUS_EEPROM_SIZE));
}
}