dmaengine: pl330: Remove useless xfer_cb indirection
The xfer_cb callback of the pl330_req struct is always set to the same function.
This adds an unnecessary step of indirection. Instead just call the callback
function directly.
Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
diff --git a/drivers/dma/pl330.c b/drivers/dma/pl330.c
index 453ce10..cf2522e 100644
--- a/drivers/dma/pl330.c
+++ b/drivers/dma/pl330.c
@@ -351,10 +351,6 @@
enum dma_transfer_direction rqtype;
/* Index of peripheral for the xfer. */
unsigned peri:5;
- /* Unique token for this xfer, set by the client. */
- void *token;
- /* Callback to be called after xfer. */
- void (*xfer_cb)(void *token, enum pl330_op_err err);
/* If NULL, req will be done at last set parameters. */
struct pl330_reqcfg *cfg;
/* Pointer to first xfer in the request. */
@@ -551,12 +547,6 @@
struct dma_pl330_chan *pchan;
};
-static inline void _callback(struct pl330_req *r, enum pl330_op_err err)
-{
- if (r && r->xfer_cb)
- r->xfer_cb(r->token, err);
-}
-
static inline bool _queue_empty(struct pl330_thread *thrd)
{
return (IS_FREE(&thrd->req[0]) && IS_FREE(&thrd->req[1]))
@@ -1544,6 +1534,25 @@
return ret;
}
+static void dma_pl330_rqcb(struct pl330_req *req, enum pl330_op_err err)
+{
+ struct dma_pl330_desc *desc = container_of(req, struct dma_pl330_desc, req);
+ struct dma_pl330_chan *pch = desc->pchan;
+ unsigned long flags;
+
+ /* If desc aborted */
+ if (!pch)
+ return;
+
+ spin_lock_irqsave(&pch->lock, flags);
+
+ desc->status = DONE;
+
+ spin_unlock_irqrestore(&pch->lock, flags);
+
+ tasklet_schedule(&pch->task);
+}
+
static void pl330_dotask(unsigned long data)
{
struct pl330_dmac *pl330 = (struct pl330_dmac *) data;
@@ -1585,10 +1594,8 @@
err = PL330_ERR_ABORT;
spin_unlock_irqrestore(&pl330->lock, flags);
-
- _callback(thrd->req[1 - thrd->lstenq].r, err);
- _callback(thrd->req[thrd->lstenq].r, err);
-
+ dma_pl330_rqcb(thrd->req[1 - thrd->lstenq].r, err);
+ dma_pl330_rqcb(thrd->req[thrd->lstenq].r, err);
spin_lock_irqsave(&pl330->lock, flags);
thrd->req[0].r = NULL;
@@ -1695,7 +1702,7 @@
list_del(&rqdone->rqd);
spin_unlock_irqrestore(&pl330->lock, flags);
- _callback(rqdone, PL330_ERR_NONE);
+ dma_pl330_rqcb(rqdone, PL330_ERR_NONE);
spin_lock_irqsave(&pl330->lock, flags);
}
@@ -1852,8 +1859,8 @@
_stop(thrd);
- _callback(thrd->req[1 - thrd->lstenq].r, PL330_ERR_ABORT);
- _callback(thrd->req[thrd->lstenq].r, PL330_ERR_ABORT);
+ dma_pl330_rqcb(thrd->req[1 - thrd->lstenq].r, PL330_ERR_ABORT);
+ dma_pl330_rqcb(thrd->req[thrd->lstenq].r, PL330_ERR_ABORT);
pl330 = thrd->dmac;
@@ -2207,25 +2214,6 @@
spin_unlock_irqrestore(&pch->lock, flags);
}
-static void dma_pl330_rqcb(void *token, enum pl330_op_err err)
-{
- struct dma_pl330_desc *desc = token;
- struct dma_pl330_chan *pch = desc->pchan;
- unsigned long flags;
-
- /* If desc aborted */
- if (!pch)
- return;
-
- spin_lock_irqsave(&pch->lock, flags);
-
- desc->status = DONE;
-
- spin_unlock_irqrestore(&pch->lock, flags);
-
- tasklet_schedule(&pch->task);
-}
-
bool pl330_filter(struct dma_chan *chan, void *param)
{
u8 *peri_id;
@@ -2417,12 +2405,10 @@
static inline void _init_desc(struct dma_pl330_desc *desc)
{
desc->req.x = &desc->px;
- desc->req.token = desc;
desc->rqcfg.swap = SWAP_NO;
desc->rqcfg.scctl = CCTRL0;
desc->rqcfg.dcctl = CCTRL0;
desc->req.cfg = &desc->rqcfg;
- desc->req.xfer_cb = dma_pl330_rqcb;
desc->txd.tx_submit = pl330_tx_submit;
INIT_LIST_HEAD(&desc->node);