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DM: virtio-gpio: fixed static variable keeps increasing issue 

virtio_gpio_ops variable type is static,so use "+=" will let
the value keep increasing when acrn-dm reset.

Tracked-On: #3118
Reviewed-by: Yuan Liu <yuan1.liu@intel.com>
Signed-off-by: fuyongjie <fuyongjie@neusoft.com>
Acked-by: Yu Wang <yu1.wang@intel.com>
This commit is contained in:
fuyongjie 2019-05-07 17:09:49 +09:00 committed by wenlingz
parent 865ee2956e
commit 49350634b1
1 changed files with 2 additions and 2 deletions
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4
devicemodel/hw/pci/virtio/virtio_gpio.c
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@ -620,7 +620,7 @@ virtio_gpio_cfgread(void *vdev, int offset, int size, uint32_t *retval)
static struct virtio_ops virtio_gpio_ops = {
"virtio_gpio", /* our name */
VIRTIO_GPIO_MAXQ, /* we support VTGPIO_MAXQ virtqueues */
sizeof(struct virtio_gpio_config), /* config reg size */
0, /* config reg size */
virtio_gpio_reset, /* reset */
NULL, /* device-wide qnotify */
virtio_gpio_cfgread, /* read virtio config */
@ -1374,7 +1374,7 @@ virtio_gpio_init(struct vmctx *ctx, struct pci_vdev *dev, char *opts)
}
/* Allocate PIO space for GPIO */
virtio_gpio_ops.cfgsize += GPIO_PIO_SIZE;
virtio_gpio_ops.cfgsize = sizeof(struct virtio_gpio_config) + GPIO_PIO_SIZE;
/* use BAR 0 to map config regs in IO space */
virtio_set_io_bar(&gpio->base, 0);