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inline | side by side (from parent 1:
6e85d5a)
posted_index is RO in firmware. We need not do ioread everytime to get
posted index. Store posted index locally.
Signed-off-by: Govindarajulu Varadarajan <_govind@gmx.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
struct devcmd2_result *result = dc2c->result + dc2c->next_result;
unsigned int i;
int delay, err;
struct devcmd2_result *result = dc2c->result + dc2c->next_result;
unsigned int i;
int delay, err;
- u32 fetch_index, posted, new_posted;
+ u32 fetch_index, new_posted;
+ u32 posted = dc2c->posted;
- posted = ioread32(&dc2c->wq_ctrl->posted_index);
fetch_index = ioread32(&dc2c->wq_ctrl->fetch_index);
fetch_index = ioread32(&dc2c->wq_ctrl->fetch_index);
- if (posted == 0xFFFFFFFF || fetch_index == 0xFFFFFFFF)
+ if (fetch_index == 0xFFFFFFFF)
return -ENODEV;
new_posted = (posted + 1) % DEVCMD2_RING_SIZE;
return -ENODEV;
new_posted = (posted + 1) % DEVCMD2_RING_SIZE;
*/
wmb();
iowrite32(new_posted, &dc2c->wq_ctrl->posted_index);
*/
wmb();
iowrite32(new_posted, &dc2c->wq_ctrl->posted_index);
+ dc2c->posted = new_posted;
if (dc2c->cmd_ring[posted].flags & DEVCMD2_FNORESULT)
return 0;
if (dc2c->cmd_ring[posted].flags & DEVCMD2_FNORESULT)
return 0;
enic_wq_init_start(&vdev->devcmd2->wq, 0, fetch_index, fetch_index, 0,
0);
enic_wq_init_start(&vdev->devcmd2->wq, 0, fetch_index, fetch_index, 0,
0);
+ vdev->devcmd2->posted = fetch_index;
vnic_wq_enable(&vdev->devcmd2->wq);
err = vnic_dev_alloc_desc_ring(vdev, &vdev->devcmd2->results_ring,
vnic_wq_enable(&vdev->devcmd2->wq);
err = vnic_dev_alloc_desc_ring(vdev, &vdev->devcmd2->results_ring,
int color;
struct vnic_dev_ring results_ring;
struct vnic_wq wq;
int color;
struct vnic_dev_ring results_ring;
struct vnic_wq wq;
};
static inline unsigned int vnic_wq_desc_avail(struct vnic_wq *wq)
};
static inline unsigned int vnic_wq_desc_avail(struct vnic_wq *wq)