}
attnstatus = readl(instance->reg_base + IOAT_ATTNSTATUS_OFFSET);
- for_each_bit(bit, &attnstatus, BITS_PER_LONG) {
+ for_each_set_bit(bit, &attnstatus, BITS_PER_LONG) {
chan = ioat_chan_by_index(instance, bit);
tasklet_schedule(&chan->cleanup_task);
}
return IRQ_HANDLED;
}
-static void ioat1_cleanup_tasklet(unsigned long data);
-
/* common channel initialization */
-void ioat_init_channel(struct ioatdma_device *device,
- struct ioat_chan_common *chan, int idx,
- void (*timer_fn)(unsigned long),
- void (*tasklet)(unsigned long),
- unsigned long ioat)
+void ioat_init_channel(struct ioatdma_device *device, struct ioat_chan_common *chan, int idx)
{
struct dma_device *dma = &device->common;
+ struct dma_chan *c = &chan->common;
+ unsigned long data = (unsigned long) c;
chan->device = device;
chan->reg_base = device->reg_base + (0x80 * (idx + 1));
list_add_tail(&chan->common.device_node, &dma->channels);
device->idx[idx] = chan;
init_timer(&chan->timer);
- chan->timer.function = timer_fn;
- chan->timer.data = ioat;
- tasklet_init(&chan->cleanup_task, tasklet, ioat);
+ chan->timer.function = device->timer_fn;
+ chan->timer.data = data;
+ tasklet_init(&chan->cleanup_task, device->cleanup_fn, data);
tasklet_disable(&chan->cleanup_task);
}
-static void ioat1_timer_event(unsigned long data);
-
/**
* ioat1_dma_enumerate_channels - find and initialize the device's channels
* @device: the device to be enumerated
if (!ioat)
break;
- ioat_init_channel(device, &ioat->base, i,
- ioat1_timer_event,
- ioat1_cleanup_tasklet,
- (unsigned long) ioat);
+ ioat_init_channel(device, &ioat->base, i);
ioat->xfercap = xfercap;
spin_lock_init(&ioat->desc_lock);
INIT_LIST_HEAD(&ioat->free_desc);
return &desc->txd;
}
-static void ioat1_cleanup_tasklet(unsigned long data)
+static void ioat1_cleanup_event(unsigned long data)
{
- struct ioat_dma_chan *chan = (void *)data;
+ struct ioat_dma_chan *ioat = to_ioat_chan((void *) data);
- ioat1_cleanup(chan);
- writew(IOAT_CHANCTRL_RUN, chan->base.reg_base + IOAT_CHANCTRL_OFFSET);
+ ioat1_cleanup(ioat);
+ writew(IOAT_CHANCTRL_RUN, ioat->base.reg_base + IOAT_CHANCTRL_OFFSET);
}
void ioat_dma_unmap(struct ioat_chan_common *chan, enum dma_ctrl_flags flags,
static void ioat1_timer_event(unsigned long data)
{
- struct ioat_dma_chan *ioat = (void *) data;
+ struct ioat_dma_chan *ioat = to_ioat_chan((void *) data);
struct ioat_chan_common *chan = &ioat->base;
dev_dbg(to_dev(chan), "%s: state: %lx\n", __func__, chan->state);
spin_unlock_bh(&chan->cleanup_lock);
}
-static enum dma_status
-ioat1_dma_is_complete(struct dma_chan *c, dma_cookie_t cookie,
+enum dma_status
+ioat_is_dma_complete(struct dma_chan *c, dma_cookie_t cookie,
dma_cookie_t *done, dma_cookie_t *used)
{
- struct ioat_dma_chan *ioat = to_ioat_chan(c);
+ struct ioat_chan_common *chan = to_chan_common(c);
+ struct ioatdma_device *device = chan->device;
if (ioat_is_complete(c, cookie, done, used) == DMA_SUCCESS)
return DMA_SUCCESS;
- ioat1_cleanup(ioat);
+ device->cleanup_fn((unsigned long) c);
return ioat_is_complete(c, cookie, done, used);
}
return entry->show(&chan->common, page);
}
-struct sysfs_ops ioat_sysfs_ops = {
+const struct sysfs_ops ioat_sysfs_ops = {
.show = ioat_attr_show,
};
device->intr_quirk = ioat1_intr_quirk;
device->enumerate_channels = ioat1_enumerate_channels;
device->self_test = ioat_dma_self_test;
+ device->timer_fn = ioat1_timer_event;
+ device->cleanup_fn = ioat1_cleanup_event;
dma = &device->common;
dma->device_prep_dma_memcpy = ioat1_dma_prep_memcpy;
dma->device_issue_pending = ioat1_dma_memcpy_issue_pending;
dma->device_alloc_chan_resources = ioat1_dma_alloc_chan_resources;
dma->device_free_chan_resources = ioat1_dma_free_chan_resources;
- dma->device_is_tx_complete = ioat1_dma_is_complete;
+ dma->device_is_tx_complete = ioat_is_dma_complete;
err = ioat_probe(device);
if (err)