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authorVinod Koul <vinod.koul@intel.com>2017-05-04 16:08:52 +0530
committerVinod Koul <vinod.koul@intel.com>2017-05-04 16:08:52 +0530
commitbe13ec668d043e5313985014d34735ec6ede074a (patch)
treea3393344a8eb1f9c8a3d167c7c6a0a7a68ca979c
parentb7b0201a6743c4d9b634da68ad8bb94db28b8e69 (diff)
parente8bb4673596ea28fab287dbc417e8100d798cd40 (diff)
downloadlinux-be13ec668d043e5313985014d34735ec6ede074a.tar.bz2
Merge branch 'topic/pl330' into for-linus
-rw-r--r--arch/arm/plat-samsung/devs.c1
-rw-r--r--drivers/dma/pl330.c42
-rw-r--r--include/linux/amba/pl330.h35
3 files changed, 8 insertions, 70 deletions
diff --git a/arch/arm/plat-samsung/devs.c b/arch/arm/plat-samsung/devs.c
index 03fac123676d..dc269d9143bc 100644
--- a/arch/arm/plat-samsung/devs.c
+++ b/arch/arm/plat-samsung/devs.c
@@ -10,7 +10,6 @@
* published by the Free Software Foundation.
*/
-#include <linux/amba/pl330.h>
#include <linux/kernel.h>
#include <linux/types.h>
#include <linux/interrupt.h>
diff --git a/drivers/dma/pl330.c b/drivers/dma/pl330.c
index f37f4978dabb..8b0da7fa520d 100644
--- a/drivers/dma/pl330.c
+++ b/drivers/dma/pl330.c
@@ -22,7 +22,6 @@
#include <linux/dma-mapping.h>
#include <linux/dmaengine.h>
#include <linux/amba/bus.h>
-#include <linux/amba/pl330.h>
#include <linux/scatterlist.h>
#include <linux/of.h>
#include <linux/of_dma.h>
@@ -2077,18 +2076,6 @@ static void pl330_tasklet(unsigned long data)
}
}
-bool pl330_filter(struct dma_chan *chan, void *param)
-{
- u8 *peri_id;
-
- if (chan->device->dev->driver != &pl330_driver.drv)
- return false;
-
- peri_id = chan->private;
- return *peri_id == (unsigned long)param;
-}
-EXPORT_SYMBOL(pl330_filter);
-
static struct dma_chan *of_dma_pl330_xlate(struct of_phandle_args *dma_spec,
struct of_dma *ofdma)
{
@@ -2833,7 +2820,6 @@ static SIMPLE_DEV_PM_OPS(pl330_pm, pl330_suspend, pl330_resume);
static int
pl330_probe(struct amba_device *adev, const struct amba_id *id)
{
- struct dma_pl330_platdata *pdat;
struct pl330_config *pcfg;
struct pl330_dmac *pl330;
struct dma_pl330_chan *pch, *_p;
@@ -2843,8 +2829,6 @@ pl330_probe(struct amba_device *adev, const struct amba_id *id)
int num_chan;
struct device_node *np = adev->dev.of_node;
- pdat = dev_get_platdata(&adev->dev);
-
ret = dma_set_mask_and_coherent(&adev->dev, DMA_BIT_MASK(32));
if (ret)
return ret;
@@ -2857,7 +2841,7 @@ pl330_probe(struct amba_device *adev, const struct amba_id *id)
pd = &pl330->ddma;
pd->dev = &adev->dev;
- pl330->mcbufsz = pdat ? pdat->mcbuf_sz : 0;
+ pl330->mcbufsz = 0;
/* get quirk */
for (i = 0; i < ARRAY_SIZE(of_quirks); i++)
@@ -2901,10 +2885,7 @@ pl330_probe(struct amba_device *adev, const struct amba_id *id)
INIT_LIST_HEAD(&pd->channels);
/* Initialize channel parameters */
- if (pdat)
- num_chan = max_t(int, pdat->nr_valid_peri, pcfg->num_chan);
- else
- num_chan = max_t(int, pcfg->num_peri, pcfg->num_chan);
+ num_chan = max_t(int, pcfg->num_peri, pcfg->num_chan);
pl330->num_peripherals = num_chan;
@@ -2916,11 +2897,8 @@ pl330_probe(struct amba_device *adev, const struct amba_id *id)
for (i = 0; i < num_chan; i++) {
pch = &pl330->peripherals[i];
- if (!adev->dev.of_node)
- pch->chan.private = pdat ? &pdat->peri_id[i] : NULL;
- else
- pch->chan.private = adev->dev.of_node;
+ pch->chan.private = adev->dev.of_node;
INIT_LIST_HEAD(&pch->submitted_list);
INIT_LIST_HEAD(&pch->work_list);
INIT_LIST_HEAD(&pch->completed_list);
@@ -2933,15 +2911,11 @@ pl330_probe(struct amba_device *adev, const struct amba_id *id)
list_add_tail(&pch->chan.device_node, &pd->channels);
}
- if (pdat) {
- pd->cap_mask = pdat->cap_mask;
- } else {
- dma_cap_set(DMA_MEMCPY, pd->cap_mask);
- if (pcfg->num_peri) {
- dma_cap_set(DMA_SLAVE, pd->cap_mask);
- dma_cap_set(DMA_CYCLIC, pd->cap_mask);
- dma_cap_set(DMA_PRIVATE, pd->cap_mask);
- }
+ dma_cap_set(DMA_MEMCPY, pd->cap_mask);
+ if (pcfg->num_peri) {
+ dma_cap_set(DMA_SLAVE, pd->cap_mask);
+ dma_cap_set(DMA_CYCLIC, pd->cap_mask);
+ dma_cap_set(DMA_PRIVATE, pd->cap_mask);
}
pd->device_alloc_chan_resources = pl330_alloc_chan_resources;
diff --git a/include/linux/amba/pl330.h b/include/linux/amba/pl330.h
deleted file mode 100644
index fe93758e8403..000000000000
--- a/include/linux/amba/pl330.h
+++ /dev/null
@@ -1,35 +0,0 @@
-/* linux/include/linux/amba/pl330.h
- *
- * Copyright (C) 2010 Samsung Electronics Co. Ltd.
- * Jaswinder Singh <jassi.brar@samsung.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- */
-
-#ifndef __AMBA_PL330_H_
-#define __AMBA_PL330_H_
-
-#include <linux/dmaengine.h>
-
-struct dma_pl330_platdata {
- /*
- * Number of valid peripherals connected to DMAC.
- * This may be different from the value read from
- * CR0, as the PL330 implementation might have 'holes'
- * in the peri list or the peri could also be reached
- * from another DMAC which the platform prefers.
- */
- u8 nr_valid_peri;
- /* Array of valid peripherals */
- u8 *peri_id;
- /* Operational capabilities */
- dma_cap_mask_t cap_mask;
- /* Bytes to allocate for MC buffer */
- unsigned mcbuf_sz;
-};
-
-extern bool pl330_filter(struct dma_chan *chan, void *param);
-#endif /* __AMBA_PL330_H_ */