Re: [Qemu-devel] [PATCH v2 04/30] usb/hcd-xhci: QOM Upcast Sweep

["Andreas Färber" <afaerber@suse.de>]

Am 24.06.2013 08:52, schrieb peter.crosthwaite@xilinx.com:
> From: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
> 
> Define and use standard QOM cast macro. Remove usages of DO_UPCAST
> and direct -> style upcasting.
> 
> Signed-off-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
> ---
> 
>  hw/usb/hcd-xhci.c | 19 +++++++++++++------
>  1 file changed, 13 insertions(+), 6 deletions(-)
> 
> diff --git a/hw/usb/hcd-xhci.c b/hw/usb/hcd-xhci.c
> index 91633ed..0146711 100644
> --- a/hw/usb/hcd-xhci.c
> +++ b/hw/usb/hcd-xhci.c
> @@ -482,6 +482,11 @@ struct XHCIState {
>      XHCIRing cmd_ring;
>  };
>  
> +#define TYPE_XHCI "nec-usb-xhci"
> +
> +#define XHCI(obj) \
> +    OBJECT_CHECK(XHCIState, (obj), TYPE_XHCI)
> +
>  typedef struct XHCIEvRingSeg {
>      uint32_t addr_low;
>      uint32_t addr_high;
> @@ -2681,7 +2686,7 @@ static void xhci_port_reset(XHCIPort *port)
>  
>  static void xhci_reset(DeviceState *dev)
>  {
> -    XHCIState *xhci = DO_UPCAST(XHCIState, pci_dev.qdev, dev);
> +    XHCIState *xhci = XHCI(dev);
>      int i;
>  
>      trace_usb_xhci_reset();
> @@ -2926,6 +2931,7 @@ static void xhci_oper_write(void *ptr, hwaddr reg,
>                              uint64_t val, unsigned size)
>  {
>      XHCIState *xhci = ptr;
> +    DeviceState *d = DEVICE(ptr);
>  
>      trace_usb_xhci_oper_write(reg, val);
>  
> @@ -2939,7 +2945,7 @@ static void xhci_oper_write(void *ptr, hwaddr reg,
>          xhci->usbcmd = val & 0xc0f;
>          xhci_mfwrap_update(xhci);
>          if (val & USBCMD_HCRST) {
> -            xhci_reset(&xhci->pci_dev.qdev);
> +            xhci_reset(d);
>          }
>          xhci_intx_update(xhci);
>          break;
> @@ -3267,6 +3273,7 @@ static USBBusOps xhci_bus_ops = {
>  
>  static void usb_xhci_init(XHCIState *xhci, DeviceState *dev)
>  {
> +    DeviceState *d = DEVICE(xhci);

This is duplicating the dev argument. I'll drop that and rename your
variable to dev instead:
https://github.com/afaerber/qemu-cpu/commits/qom-next

Thanks,
Andreas

>      XHCIPort *port;
>      int i, usbports, speedmask;
>  
> @@ -3281,7 +3288,7 @@ static void usb_xhci_init(XHCIState *xhci, DeviceState *dev)
>      usbports = MAX(xhci->numports_2, xhci->numports_3);
>      xhci->numports = xhci->numports_2 + xhci->numports_3;
>  
> -    usb_bus_new(&xhci->bus, &xhci_bus_ops, &xhci->pci_dev.qdev);
> +    usb_bus_new(&xhci->bus, &xhci_bus_ops, d);
>  
>      for (i = 0; i < usbports; i++) {
>          speedmask = 0;
> @@ -3313,14 +3320,14 @@ static int usb_xhci_initfn(struct PCIDevice *dev)
>  {
>      int i, ret;
>  
> -    XHCIState *xhci = DO_UPCAST(XHCIState, pci_dev, dev);
> +    XHCIState *xhci = XHCI(dev);
>  
>      xhci->pci_dev.config[PCI_CLASS_PROG] = 0x30;    /* xHCI */
>      xhci->pci_dev.config[PCI_INTERRUPT_PIN] = 0x01; /* interrupt pin 1 */
>      xhci->pci_dev.config[PCI_CACHE_LINE_SIZE] = 0x10;
>      xhci->pci_dev.config[0x60] = 0x30; /* release number */
>  
> -    usb_xhci_init(xhci, &dev->qdev);
> +    usb_xhci_init(xhci, DEVICE(dev));
>  
>      if (xhci->numintrs > MAXINTRS) {
>          xhci->numintrs = MAXINTRS;
> @@ -3581,7 +3588,7 @@ static void xhci_class_init(ObjectClass *klass, void *data)
>  }
>  
>  static const TypeInfo xhci_info = {
> -    .name          = "nec-usb-xhci",
> +    .name          = TYPE_XHCI,
>      .parent        = TYPE_PCI_DEVICE,
>      .instance_size = sizeof(XHCIState),
>      .class_init    = xhci_class_init,
> 


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