[Spice-devel] [PATCH spice-gtk 1/3] usb-backend: Cache isochronous value

Frediano Ziglio fziglio at redhat.com
Fri Aug 30 13:54:02 UTC 2019


ping

> 
> ping
> 
> > 
> > ping the series
> > 
> > > 
> > > Allows to remove _SpiceUsbDevice structure.
> > > _SpiceUsbDevice is only caching this value from SpiceUsbBackendDevice.
> > > 
> > > Signed-off-by: Frediano Ziglio <fziglio at redhat.com>
> > > ---
> > >  src/usb-backend.c | 9 +++++++++
> > >  1 file changed, 9 insertions(+)
> > > 
> > > diff --git a/src/usb-backend.c b/src/usb-backend.c
> > > index 9ac8595c..7e0e4a8a 100644
> > > --- a/src/usb-backend.c
> > > +++ b/src/usb-backend.c
> > > @@ -50,6 +50,8 @@ struct _SpiceUsbBackendDevice
> > >      gint ref_count;
> > >      SpiceUsbBackendChannel *attached_to;
> > >      UsbDeviceInformation device_info;
> > > +    uint8_t cached_isochronous_valid : 1;
> > > +    uint8_t cached_isochronous : 1;
> > >  };
> > >  
> > >  struct _SpiceUsbBackend
> > > @@ -341,6 +343,10 @@ gboolean
> > > spice_usb_backend_device_isoch(SpiceUsbBackendDevice *dev)
> > >      gint i, j, k;
> > >      int rc;
> > >  
> > > +    if (dev->cached_isochronous_valid) {
> > > +        return dev->cached_isochronous;
> > > +    }
> > > +
> > >      g_return_val_if_fail(libdev != NULL, 0);
> > >  
> > >      rc = libusb_get_active_config_descriptor(libdev, &conf_desc);
> > > @@ -362,6 +368,9 @@ gboolean
> > > spice_usb_backend_device_isoch(SpiceUsbBackendDevice *dev)
> > >          }
> > >      }
> > >  
> > > +    dev->cached_isochronous_valid = TRUE;
> > > +    dev->cached_isochronous = isoc_found;
> > > +
> > >      libusb_free_config_descriptor(conf_desc);
> > >      return isoc_found;
> > >  }


More information about the Spice-devel mailing list