Since we are a "single" device driver now we no longer require the function
pointers in ioatdma_device. Remove.
Signed-off-by: Dave Jiang <dave.jiang@xxxxxxxxx>
---
drivers/dma/ioat/dma.c | 6 ++----
drivers/dma/ioat/dma.h | 14 --------------
drivers/dma/ioat/init.c | 25 +++++++++++--------------
3 files changed, 13 insertions(+), 32 deletions(-)
diff --git a/drivers/dma/ioat/dma.c b/drivers/dma/ioat/dma.c
index 934f2f1..a563096 100644
--- a/drivers/dma/ioat/dma.c
+++ b/drivers/dma/ioat/dma.c
@@ -121,7 +121,7 @@ void ioat_stop(struct ioatdma_chan *ioat_chan)
tasklet_kill(&ioat_chan->cleanup_task);
/* final cleanup now that everything is quiesced and can't re-arm */
- ioat_dma->cleanup_fn((unsigned long)&ioat_chan->dma_chan);
+ ioat_cleanup_event((unsigned long)&ioat_chan->dma_chan);
}
static void __ioat_issue_pending(struct ioatdma_chan *ioat_chan)
@@ -520,10 +520,8 @@ int ioat_check_space_lock(struct ioatdma_chan *ioat_chan, int num_descs)
*/
if (time_is_before_jiffies(ioat_chan->timer.expires)
&& timer_pending(&ioat_chan->timer)) {
- struct ioatdma_device *ioat_dma = ioat_chan->ioat_dma;
-
mod_timer(&ioat_chan->timer, jiffies + COMPLETION_TIMEOUT);
- ioat_dma->timer_fn((unsigned long)ioat_chan);
+ ioat_timer_event((unsigned long)ioat_chan);
}
return -ENOMEM;
diff --git a/drivers/dma/ioat/dma.h b/drivers/dma/ioat/dma.h
index 2e1f054..df569d8 100644
--- a/drivers/dma/ioat/dma.h
+++ b/drivers/dma/ioat/dma.h
@@ -68,14 +68,6 @@ enum ioat_irq_mode {
* @msix_entries: irq handlers
* @idx: per channel data
* @dca: direct cache access context
- * @intr_quirk: interrupt setup quirk (for ioat_v1 devices)
- * @enumerate_channels: hw version specific channel enumeration
- * @reset_hw: hw version specific channel (re)initialization
- * @cleanup_fn: select between the v2 and v3 cleanup routines
- * @timer_fn: select between the v2 and v3 timer watchdog routines
- * @self_test: hardware version specific self test for each supported op type
- *
- * Note: the v3 cleanup routine supports raid operations
*/
struct ioatdma_device {
struct pci_dev *pdev;
@@ -91,12 +83,6 @@ struct ioatdma_device {
struct dca_provider *dca;
enum ioat_irq_mode irq_mode;
u32 cap;
- void (*intr_quirk)(struct ioatdma_device *ioat_dma);
- int (*enumerate_channels)(struct ioatdma_device *ioat_dma);
- int (*reset_hw)(struct ioatdma_chan *ioat_chan);
- void (*cleanup_fn)(unsigned long data);
- void (*timer_fn)(unsigned long data);
- int (*self_test)(struct ioatdma_device *ioat_dma);
};
struct ioatdma_chan {
diff --git a/drivers/dma/ioat/init.c b/drivers/dma/ioat/init.c
index d9bb411..2c6846a 100644
--- a/drivers/dma/ioat/init.c
+++ b/drivers/dma/ioat/init.c
@@ -113,6 +113,9 @@ static void ioat_remove(struct pci_dev *pdev);
static void
ioat_init_channel(struct ioatdma_device *ioat_dma,
struct ioatdma_chan *ioat_chan, int idx);
+static void ioat_intr_quirk(struct ioatdma_device *ioat_dma);
+static int ioat_enumerate_channels(struct ioatdma_device *ioat_dma);
+static int ioat3_dma_self_test(struct ioatdma_device *ioat_dma);
static int ioat_dca_enabled = 1;
module_param(ioat_dca_enabled, int, 0644);
@@ -443,8 +446,8 @@ intx:
ioat_dma->irq_mode = IOAT_INTX;
done:
- if (ioat_dma->intr_quirk)
- ioat_dma->intr_quirk(ioat_dma);
+ if (is_bwd_ioat(pdev))
+ ioat_intr_quirk(ioat_dma);
intrctrl |= IOAT_INTRCTRL_MASTER_INT_EN;
writeb(intrctrl, ioat_dma->reg_base + IOAT_INTRCTRL_OFFSET);
return 0;
@@ -489,7 +492,7 @@ static int ioat_probe(struct ioatdma_device *ioat_dma)
goto err_completion_pool;
}
- ioat_dma->enumerate_channels(ioat_dma);
+ ioat_enumerate_channels(ioat_dma);
dma_cap_set(DMA_MEMCPY, dma->cap_mask);
dma->dev = &pdev->dev;
@@ -503,7 +506,7 @@ static int ioat_probe(struct ioatdma_device *ioat_dma)
if (err)
goto err_setup_interrupts;
- err = ioat_dma->self_test(ioat_dma);
+ err = ioat3_dma_self_test(ioat_dma);
if (err)
goto err_self_test;
@@ -582,7 +585,7 @@ static int ioat_enumerate_channels(struct ioatdma_device *ioat_dma)
ioat_init_channel(ioat_dma, ioat_chan, i);
ioat_chan->xfercap_log = xfercap_log;
spin_lock_init(&ioat_chan->prep_lock);
- if (ioat_dma->reset_hw(ioat_chan)) {
+ if (ioat_reset_hw(ioat_chan)) {
i = 0;
break;
}
@@ -611,7 +614,7 @@ static void ioat_free_chan_resources(struct dma_chan *c)
return;
ioat_stop(ioat_chan);
- ioat_dma->reset_hw(ioat_chan);
+ ioat_reset_hw(ioat_chan);
spin_lock_bh(&ioat_chan->cleanup_lock);
spin_lock_bh(&ioat_chan->prep_lock);
@@ -730,9 +733,9 @@ ioat_init_channel(struct ioatdma_device *ioat_dma,
list_add_tail(&ioat_chan->dma_chan.device_node, &dma->channels);
ioat_dma->idx[idx] = ioat_chan;
init_timer(&ioat_chan->timer);
- ioat_chan->timer.function = ioat_dma->timer_fn;
+ ioat_chan->timer.function = ioat_timer_event;
ioat_chan->timer.data = data;
- tasklet_init(&ioat_chan->cleanup_task, ioat_dma->cleanup_fn, data);
+ tasklet_init(&ioat_chan->cleanup_task, ioat_cleanup_event, data);
}
#define IOAT_NUM_SRC_TEST 6 /* must be <= 8 */
@@ -1053,10 +1056,6 @@ static int ioat3_dma_probe(struct ioatdma_device *ioat_dma, int dca)
bool is_raid_device = false;
int err;
- ioat_dma->enumerate_channels = ioat_enumerate_channels;
- ioat_dma->reset_hw = ioat_reset_hw;
- ioat_dma->self_test = ioat3_dma_self_test;
- ioat_dma->intr_quirk = ioat_intr_quirk;
dma = &ioat_dma->dma_dev;
dma->device_prep_dma_memcpy = ioat_dma_prep_memcpy_lock;
dma->device_issue_pending = ioat_issue_pending;
@@ -1114,8 +1113,6 @@ static int ioat3_dma_probe(struct ioatdma_device *ioat_dma, int dca)
}
dma->device_tx_status = ioat_tx_status;
- ioat_dma->cleanup_fn = ioat_cleanup_event;
- ioat_dma->timer_fn = ioat_timer_event;
/* starting with CB3.3 super extended descriptors are supported */
if (ioat_dma->cap & IOAT_CAP_RAID16SS) {
--
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