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path: root/drivers/dma/iop-adma.c
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Diffstat (limited to 'drivers/dma/iop-adma.c')
-rw-r--r--drivers/dma/iop-adma.c39
1 files changed, 15 insertions, 24 deletions
diff --git a/drivers/dma/iop-adma.c b/drivers/dma/iop-adma.c
index 1ebc801678b..161c452923b 100644
--- a/drivers/dma/iop-adma.c
+++ b/drivers/dma/iop-adma.c
@@ -894,14 +894,14 @@ static void iop_adma_free_chan_resources(struct dma_chan *chan)
}
/**
- * iop_adma_is_complete - poll the status of an ADMA transaction
+ * iop_adma_status - poll the status of an ADMA transaction
* @chan: ADMA channel handle
* @cookie: ADMA transaction identifier
+ * @txstate: a holder for the current state of the channel or NULL
*/
-static enum dma_status iop_adma_is_complete(struct dma_chan *chan,
+static enum dma_status iop_adma_status(struct dma_chan *chan,
dma_cookie_t cookie,
- dma_cookie_t *done,
- dma_cookie_t *used)
+ struct dma_tx_state *txstate)
{
struct iop_adma_chan *iop_chan = to_iop_adma_chan(chan);
dma_cookie_t last_used;
@@ -910,12 +910,7 @@ static enum dma_status iop_adma_is_complete(struct dma_chan *chan,
last_used = chan->cookie;
last_complete = iop_chan->completed_cookie;
-
- if (done)
- *done = last_complete;
- if (used)
- *used = last_used;
-
+ dma_set_tx_state(txstate, last_complete, last_used, 0);
ret = dma_async_is_complete(cookie, last_complete, last_used);
if (ret == DMA_SUCCESS)
return ret;
@@ -924,11 +919,7 @@ static enum dma_status iop_adma_is_complete(struct dma_chan *chan,
last_used = chan->cookie;
last_complete = iop_chan->completed_cookie;
-
- if (done)
- *done = last_complete;
- if (used)
- *used = last_used;
+ dma_set_tx_state(txstate, last_complete, last_used, 0);
return dma_async_is_complete(cookie, last_complete, last_used);
}
@@ -1043,7 +1034,7 @@ static int __devinit iop_adma_memcpy_self_test(struct iop_adma_device *device)
iop_adma_issue_pending(dma_chan);
msleep(1);
- if (iop_adma_is_complete(dma_chan, cookie, NULL, NULL) !=
+ if (iop_adma_status(dma_chan, cookie, NULL) !=
DMA_SUCCESS) {
dev_printk(KERN_ERR, dma_chan->device->dev,
"Self-test copy timed out, disabling\n");
@@ -1143,7 +1134,7 @@ iop_adma_xor_val_self_test(struct iop_adma_device *device)
iop_adma_issue_pending(dma_chan);
msleep(8);
- if (iop_adma_is_complete(dma_chan, cookie, NULL, NULL) !=
+ if (iop_adma_status(dma_chan, cookie, NULL) !=
DMA_SUCCESS) {
dev_printk(KERN_ERR, dma_chan->device->dev,
"Self-test xor timed out, disabling\n");
@@ -1190,7 +1181,7 @@ iop_adma_xor_val_self_test(struct iop_adma_device *device)
iop_adma_issue_pending(dma_chan);
msleep(8);
- if (iop_adma_is_complete(dma_chan, cookie, NULL, NULL) != DMA_SUCCESS) {
+ if (iop_adma_status(dma_chan, cookie, NULL) != DMA_SUCCESS) {
dev_printk(KERN_ERR, dma_chan->device->dev,
"Self-test zero sum timed out, disabling\n");
err = -ENODEV;
@@ -1214,7 +1205,7 @@ iop_adma_xor_val_self_test(struct iop_adma_device *device)
iop_adma_issue_pending(dma_chan);
msleep(8);
- if (iop_adma_is_complete(dma_chan, cookie, NULL, NULL) != DMA_SUCCESS) {
+ if (iop_adma_status(dma_chan, cookie, NULL) != DMA_SUCCESS) {
dev_printk(KERN_ERR, dma_chan->device->dev,
"Self-test memset timed out, disabling\n");
err = -ENODEV;
@@ -1246,7 +1237,7 @@ iop_adma_xor_val_self_test(struct iop_adma_device *device)
iop_adma_issue_pending(dma_chan);
msleep(8);
- if (iop_adma_is_complete(dma_chan, cookie, NULL, NULL) != DMA_SUCCESS) {
+ if (iop_adma_status(dma_chan, cookie, NULL) != DMA_SUCCESS) {
dev_printk(KERN_ERR, dma_chan->device->dev,
"Self-test non-zero sum timed out, disabling\n");
err = -ENODEV;
@@ -1341,7 +1332,7 @@ iop_adma_pq_zero_sum_self_test(struct iop_adma_device *device)
iop_adma_issue_pending(dma_chan);
msleep(8);
- if (iop_adma_is_complete(dma_chan, cookie, NULL, NULL) !=
+ if (iop_adma_status(dma_chan, cookie, NULL) !=
DMA_SUCCESS) {
dev_err(dev, "Self-test pq timed out, disabling\n");
err = -ENODEV;
@@ -1378,7 +1369,7 @@ iop_adma_pq_zero_sum_self_test(struct iop_adma_device *device)
iop_adma_issue_pending(dma_chan);
msleep(8);
- if (iop_adma_is_complete(dma_chan, cookie, NULL, NULL) !=
+ if (iop_adma_status(dma_chan, cookie, NULL) !=
DMA_SUCCESS) {
dev_err(dev, "Self-test pq-zero-sum timed out, disabling\n");
err = -ENODEV;
@@ -1410,7 +1401,7 @@ iop_adma_pq_zero_sum_self_test(struct iop_adma_device *device)
iop_adma_issue_pending(dma_chan);
msleep(8);
- if (iop_adma_is_complete(dma_chan, cookie, NULL, NULL) !=
+ if (iop_adma_status(dma_chan, cookie, NULL) !=
DMA_SUCCESS) {
dev_err(dev, "Self-test !pq-zero-sum timed out, disabling\n");
err = -ENODEV;
@@ -1508,7 +1499,7 @@ static int __devinit iop_adma_probe(struct platform_device *pdev)
/* set base routines */
dma_dev->device_alloc_chan_resources = iop_adma_alloc_chan_resources;
dma_dev->device_free_chan_resources = iop_adma_free_chan_resources;
- dma_dev->device_is_tx_complete = iop_adma_is_complete;
+ dma_dev->device_tx_status = iop_adma_status;
dma_dev->device_issue_pending = iop_adma_issue_pending;
dma_dev->dev = &pdev->dev;