diff options
Diffstat (limited to 'drivers/dma')
| -rw-r--r-- | drivers/dma/ioat/dma_v2.c | 4 | ||||
| -rw-r--r-- | drivers/dma/ioat/dma_v2.h | 2 | ||||
| -rw-r--r-- | drivers/dma/ioat/dma_v3.c | 25 |
3 files changed, 22 insertions, 9 deletions
diff --git a/drivers/dma/ioat/dma_v2.c b/drivers/dma/ioat/dma_v2.c index 12c64e1..7bbbd83 100644 --- a/drivers/dma/ioat/dma_v2.c +++ b/drivers/dma/ioat/dma_v2.c @@ -206,7 +206,7 @@ static void ioat2_cleanup(struct ioat2_dma_chan *ioat) spin_unlock_bh(&chan->cleanup_lock); } -static void ioat2_cleanup_tasklet(unsigned long data) +void ioat2_cleanup_tasklet(unsigned long data) { struct ioat2_dma_chan *ioat = (void *) data; @@ -258,7 +258,7 @@ static void ioat2_restart_channel(struct ioat2_dma_chan *ioat) __ioat2_restart_chan(ioat); } -static void ioat2_timer_event(unsigned long data) +void ioat2_timer_event(unsigned long data) { struct ioat2_dma_chan *ioat = (void *) data; struct ioat_chan_common *chan = &ioat->base; diff --git a/drivers/dma/ioat/dma_v2.h b/drivers/dma/ioat/dma_v2.h index e23027d..246e646 100644 --- a/drivers/dma/ioat/dma_v2.h +++ b/drivers/dma/ioat/dma_v2.h @@ -183,5 +183,7 @@ enum dma_status ioat2_is_complete(struct dma_chan *c, dma_cookie_t cookie, void __ioat2_restart_chan(struct ioat2_dma_chan *ioat); bool reshape_ring(struct ioat2_dma_chan *ioat, int order); void __ioat2_issue_pending(struct ioat2_dma_chan *ioat); +void ioat2_cleanup_tasklet(unsigned long data); +void ioat2_timer_event(unsigned long data); extern struct kobj_type ioat2_ktype; #endif /* IOATDMA_V2_H */ diff --git a/drivers/dma/ioat/dma_v3.c b/drivers/dma/ioat/dma_v3.c index ff4afdc..3686ddd 100644 --- a/drivers/dma/ioat/dma_v3.c +++ b/drivers/dma/ioat/dma_v3.c @@ -1117,30 +1117,25 @@ int __devinit ioat3_dma_probe(struct ioatdma_device *device, int dca) struct dma_device *dma; struct dma_chan *c; struct ioat_chan_common *chan; + bool is_raid_device = false; int err; u16 dev_id; u32 cap; device->enumerate_channels = ioat2_enumerate_channels; - device->cleanup_tasklet = ioat3_cleanup_tasklet; - device->timer_fn = ioat3_timer_event; device->self_test = ioat3_dma_self_test; dma = &device->common; dma->device_prep_dma_memcpy = ioat2_dma_prep_memcpy_lock; dma->device_issue_pending = ioat2_issue_pending; dma->device_alloc_chan_resources = ioat2_alloc_chan_resources; dma->device_free_chan_resources = ioat2_free_chan_resources; - dma->device_is_tx_complete = ioat3_is_complete; dma_cap_set(DMA_INTERRUPT, dma->cap_mask); dma->device_prep_dma_interrupt = ioat3_prep_interrupt_lock; cap = readl(device->reg_base + IOAT_DMA_CAP_OFFSET); - if (cap & IOAT_CAP_FILL_BLOCK) { - dma_cap_set(DMA_MEMSET, dma->cap_mask); - dma->device_prep_dma_memset = ioat3_prep_memset_lock; - } if (cap & IOAT_CAP_XOR) { + is_raid_device = true; dma->max_xor = 8; dma->xor_align = 2; @@ -1151,6 +1146,7 @@ int __devinit ioat3_dma_probe(struct ioatdma_device *device, int dca) dma->device_prep_dma_xor_val = ioat3_prep_xor_val; } if (cap & IOAT_CAP_PQ) { + is_raid_device = true; dma_set_maxpq(dma, 8, 0); dma->pq_align = 2; @@ -1171,6 +1167,21 @@ int __devinit ioat3_dma_probe(struct ioatdma_device *device, int dca) dma->device_prep_dma_xor_val = ioat3_prep_pqxor_val; } } + if (is_raid_device && (cap & IOAT_CAP_FILL_BLOCK)) { + dma_cap_set(DMA_MEMSET, dma->cap_mask); + dma->device_prep_dma_memset = ioat3_prep_memset_lock; + } + + + if (is_raid_device) { + dma->device_is_tx_complete = ioat3_is_complete; + device->cleanup_tasklet = ioat3_cleanup_tasklet; + device->timer_fn = ioat3_timer_event; + } else { + dma->device_is_tx_complete = ioat2_is_complete; + device->cleanup_tasklet = ioat2_cleanup_tasklet; + device->timer_fn = ioat2_timer_event; + } /* -= IOAT ver.3 workarounds =- */ /* Write CHANERRMSK_INT with 3E07h to mask out the errors |