From: John Jacques <john.jacq...@intel.com>
Signed-off-by: John Jacques <john.jacq...@intel.com>
---
drivers/dma/lsi-dma32.c | 44 --------------------------------------------
1 file changed, 44 deletions(-)
diff --git a/drivers/dma/lsi-dma32.c b/drivers/dma/lsi-dma32.c
index 7604039..6f13554 100644
--- a/drivers/dma/lsi-dma32.c
+++ b/drivers/dma/lsi-dma32.c
@@ -376,22 +376,6 @@ static irqreturn_t gpdma_isr(int irqno, void *_dmac)
return IRQ_HANDLED;
}
-static void flush_channel(struct gpdma_channel *dmac)
-{
- unsigned long flags;
- LIST_HEAD(head);
-
- spin_lock_irqsave(&dmac->vc.lock, flags);
- reset_channel(dmac);
- if (dmac->active) {
- free_descriptor(&dmac->active->vdesc);
- dmac->active = NULL;
- }
- vchan_get_all_descriptors(&dmac->vc, &head);
- spin_unlock_irqrestore(&dmac->vc.lock, flags);
- vchan_dma_desc_free_list(&dmac->vc, &head);
-}
-
/*
* Perform soft reset procedure on DMA Engine. Needed occasionally to work
* around nasty bug ACP3400 sRIO HW.
@@ -661,33 +645,6 @@ static enum dma_status gpdma_tx_status(struct dma_chan
*chan,
return dma_cookie_status(chan, cookie, txstate);
}
-
-/**
- * gpdma_device_control - Manipulate all pending operations on a channel,
- * returns zero or error code.
- *
- */
-static int gpdma_device_control(struct dma_chan *chan,
- enum dma_ctrl_cmd cmd,
- unsigned long arg)
-{
- struct gpdma_channel *dmac = to_gpdma_chan(chan);
-
- if (!dmac)
- return -EINVAL;
-
- switch (cmd) {
- case DMA_TERMINATE_ALL:
- flush_channel(dmac);
- break;
-
- default:
- return -EOPNOTSUPP;
- }
-
- return 0;
-}
-
static int setup_channel(struct gpdma_channel *dmac, struct device_node *child)
{
struct gpdma_engine *engine = dmac->engine;
@@ -783,7 +740,6 @@ static int gpdma_of_probe(struct platform_device *op)
dma->device_prep_dma_memcpy = gpdma_prep_memcpy;
dma->device_prep_dma_sg = gpdma_prep_sg;
dma->device_issue_pending = gpdma_issue_pending;
-// dma->device_control = gpdma_device_control;
INIT_LIST_HEAD(&dma->channels);
/* Map device I/O memory
--
1.9.1
--
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