Re: [Qemu-devel] [PATCH qom-next for-1.6 03/14] etraxfs_ser: QOM'ify

["Edgar E. Iglesias" <edgar.iglesias@gmail.com>]

On Wed, Jul 24, 2013 at 11:42:08PM +0200, Andreas Färber wrote:
> Rename etrax_serial to ETRAXSerial, introduce type constant and use QOM
> casts.

Acked-by: Edgar E. Iglesias <edgar.iglesias@gmail.com>





> 
> Signed-off-by: Andreas Färber <afaerber@suse.de>
> ---
>  hw/char/etraxfs_ser.c | 37 +++++++++++++++++++++----------------
>  1 file changed, 21 insertions(+), 16 deletions(-)
> 
> diff --git a/hw/char/etraxfs_ser.c b/hw/char/etraxfs_ser.c
> index d19af00..460094e 100644
> --- a/hw/char/etraxfs_ser.c
> +++ b/hw/char/etraxfs_ser.c
> @@ -44,9 +44,13 @@
>  #define STAT_TR_IDLE 22
>  #define STAT_TR_RDY  24
>  
> -struct etrax_serial
> -{
> -    SysBusDevice busdev;
> +#define TYPE_ETRAX_FS_SERIAL "etraxfs,serial"
> +#define ETRAX_SERIAL(obj) \
> +    OBJECT_CHECK(ETRAXSerial, (obj), TYPE_ETRAX_FS_SERIAL)
> +
> +typedef struct ETRAXSerial {
> +    SysBusDevice parent_obj;
> +
>      MemoryRegion mmio;
>      CharDriverState *chr;
>      qemu_irq irq;
> @@ -59,9 +63,9 @@ struct etrax_serial
>  
>      /* Control registers.  */
>      uint32_t regs[R_MAX];
> -};
> +} ETRAXSerial;
>  
> -static void ser_update_irq(struct etrax_serial *s)
> +static void ser_update_irq(ETRAXSerial *s)
>  {
>  
>      if (s->rx_fifo_len) {
> @@ -77,7 +81,7 @@ static void ser_update_irq(struct etrax_serial *s)
>  static uint64_t
>  ser_read(void *opaque, hwaddr addr, unsigned int size)
>  {
> -    struct etrax_serial *s = opaque;
> +    ETRAXSerial *s = opaque;
>      uint32_t r = 0;
>  
>      addr >>= 2;
> @@ -112,7 +116,7 @@ static void
>  ser_write(void *opaque, hwaddr addr,
>            uint64_t val64, unsigned int size)
>  {
> -    struct etrax_serial *s = opaque;
> +    ETRAXSerial *s = opaque;
>      uint32_t value = val64;
>      unsigned char ch = val64;
>  
> @@ -156,7 +160,7 @@ static const MemoryRegionOps ser_ops = {
>  
>  static void serial_receive(void *opaque, const uint8_t *buf, int size)
>  {
> -    struct etrax_serial *s = opaque;
> +    ETRAXSerial *s = opaque;
>      int i;
>  
>      /* Got a byte.  */
> @@ -177,7 +181,7 @@ static void serial_receive(void *opaque, const uint8_t *buf, int size)
>  
>  static int serial_can_receive(void *opaque)
>  {
> -    struct etrax_serial *s = opaque;
> +    ETRAXSerial *s = opaque;
>      int r;
>  
>      /* Is the receiver enabled?  */
> @@ -196,7 +200,7 @@ static void serial_event(void *opaque, int event)
>  
>  static void etraxfs_ser_reset(DeviceState *d)
>  {
> -    struct etrax_serial *s = container_of(d, typeof(*s), busdev.qdev);
> +    ETRAXSerial *s = ETRAX_SERIAL(d);
>  
>      /* transmitter begins ready and idle.  */
>      s->regs[RS_STAT_DIN] |= (1 << STAT_TR_RDY);
> @@ -208,7 +212,7 @@ static void etraxfs_ser_reset(DeviceState *d)
>  
>  static int etraxfs_ser_init(SysBusDevice *dev)
>  {
> -    struct etrax_serial *s = FROM_SYSBUS(typeof (*s), dev);
> +    ETRAXSerial *s = ETRAX_SERIAL(dev);
>  
>      sysbus_init_irq(dev, &s->irq);
>      memory_region_init_io(&s->mmio, OBJECT(s), &ser_ops, s,
> @@ -216,10 +220,11 @@ static int etraxfs_ser_init(SysBusDevice *dev)
>      sysbus_init_mmio(dev, &s->mmio);
>  
>      s->chr = qemu_char_get_next_serial();
> -    if (s->chr)
> +    if (s->chr) {
>          qemu_chr_add_handlers(s->chr,
> -                      serial_can_receive, serial_receive,
> -                      serial_event, s);
> +                              serial_can_receive, serial_receive,
> +                              serial_event, s);
> +    }
>      return 0;
>  }
>  
> @@ -233,9 +238,9 @@ static void etraxfs_ser_class_init(ObjectClass *klass, void *data)
>  }
>  
>  static const TypeInfo etraxfs_ser_info = {
> -    .name          = "etraxfs,serial",
> +    .name          = TYPE_ETRAX_FS_SERIAL,
>      .parent        = TYPE_SYS_BUS_DEVICE,
> -    .instance_size = sizeof(struct etrax_serial),
> +    .instance_size = sizeof(ETRAXSerial),
>      .class_init    = etraxfs_ser_class_init,
>  };
>  
> -- 
> 1.8.1.4
>