Re: [Qemu-devel] [PATCH v2 3/6] smbus: add a smbus_eeprom_init_one() routine

["Philippe Mathieu-Daudé" <f4bug@amsat.org>]

On 09/20/2017 04:01 AM, Cédric Le Goater wrote:
> This is an helper routine to add a single EEPROM on an I2C bus. It can
> be directly used by smbus_eeprom_init() which adds a certain number of
> EEPROMs on mips and x86 machines.
> 
> Signed-off-by: Cédric Le Goater <clg@kaod.org>

Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>

> ---
>  hw/i2c/smbus_eeprom.c  | 16 +++++++++++-----
>  include/hw/i2c/smbus.h |  1 +
>  2 files changed, 12 insertions(+), 5 deletions(-)
> 
> diff --git a/hw/i2c/smbus_eeprom.c b/hw/i2c/smbus_eeprom.c
> index b13ec0fe7a2a..2d24a4cd59bf 100644
> --- a/hw/i2c/smbus_eeprom.c
> +++ b/hw/i2c/smbus_eeprom.c
> @@ -140,6 +140,16 @@ static void smbus_eeprom_register_types(void)
>  
>  type_init(smbus_eeprom_register_types)
>  
> +void smbus_eeprom_init_one(I2CBus *smbus, uint8_t address, uint8_t *eeprom_buf)
> +{
> +    DeviceState *dev;
> +
> +    dev = qdev_create((BusState *) smbus, "smbus-eeprom");
> +    qdev_prop_set_uint8(dev, "address", address);
> +    qdev_prop_set_ptr(dev, "data", eeprom_buf);
> +    qdev_init_nofail(dev);
> +}
> +
>  void smbus_eeprom_init(I2CBus *smbus, int nb_eeprom,
>                         const uint8_t *eeprom_spd, int eeprom_spd_size)
>  {
> @@ -150,10 +160,6 @@ void smbus_eeprom_init(I2CBus *smbus, int nb_eeprom,
>      }
>  
>      for (i = 0; i < nb_eeprom; i++) {
> -        DeviceState *eeprom;
> -        eeprom = qdev_create((BusState *)smbus, "smbus-eeprom");
> -        qdev_prop_set_uint8(eeprom, "address", 0x50 + i);
> -        qdev_prop_set_ptr(eeprom, "data", eeprom_buf + (i * 256));
> -        qdev_init_nofail(eeprom);
> +        smbus_eeprom_init_one(smbus, 0x50 + i, eeprom_buf + (i * 256));
>      }
>  }
> diff --git a/include/hw/i2c/smbus.h b/include/hw/i2c/smbus.h
> index 544bbc19574f..666cdeb04c07 100644
> --- a/include/hw/i2c/smbus.h
> +++ b/include/hw/i2c/smbus.h
> @@ -77,6 +77,7 @@ int smbus_read_block(I2CBus *bus, uint8_t addr, uint8_t command, uint8_t *data);
>  int smbus_write_block(I2CBus *bus, uint8_t addr, uint8_t command, uint8_t *data,
>                        int len);
>  
> +void smbus_eeprom_init_one(I2CBus *smbus, uint8_t address, uint8_t *eeprom_buf);
>  void smbus_eeprom_init(I2CBus *smbus, int nb_eeprom,
>                         const uint8_t *eeprom_spd, int size);
>  
>