diff options
| -rw-r--r-- | hw/nvram/eeprom_at24c.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/hw/nvram/eeprom_at24c.c b/hw/nvram/eeprom_at24c.c index da43550..01a3093 100644 --- a/hw/nvram/eeprom_at24c.c +++ b/hw/nvram/eeprom_at24c.c @@ -58,9 +58,10 @@ int at24c_eeprom_event(I2CSlave *s, enum i2c_event event) switch (event) { case I2C_START_SEND: - case I2C_START_RECV: case I2C_FINISH: ee->haveaddr = 0; + /* fallthrough */ + case I2C_START_RECV: DPRINTK("clear\n"); if (ee->blk && ee->changed) { int len = blk_pwrite(ee->blk, 0, ee->mem, ee->rsize, 0); @@ -84,6 +85,10 @@ uint8_t at24c_eeprom_recv(I2CSlave *s) EEPROMState *ee = AT24C_EE(s); uint8_t ret; + if (ee->haveaddr == 1) { + return 0xff; + } + ret = ee->mem[ee->cur]; ee->cur = (ee->cur + 1u) % ee->rsize; |