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-rw-r--r--drivers/dma/at_hdmac.c24
-rw-r--r--drivers/dma/at_hdmac_regs.h2
-rw-r--r--drivers/dma/dmaengine.c2
-rw-r--r--drivers/dma/ep93xx_dma.c8
-rw-r--r--drivers/dma/fsldma.c2
-rw-r--r--drivers/dma/imx-dma.c8
-rw-r--r--drivers/dma/imx-sdma.c6
-rw-r--r--drivers/dma/intel_mid_dma.c2
-rw-r--r--drivers/dma/intel_mid_dma_regs.h6
-rw-r--r--drivers/dma/ioat/hw.h4
-rw-r--r--drivers/dma/mmp_tdma.c4
-rw-r--r--drivers/dma/mv_xor.c2
-rw-r--r--drivers/dma/mxs-dma.c2
-rw-r--r--drivers/dma/omap-dma.c47
-rw-r--r--drivers/dma/pl330.c25
-rw-r--r--drivers/dma/ppc4xx/adma.c2
-rw-r--r--drivers/dma/sa11x0-dma.c2
-rw-r--r--drivers/dma/sirf-dma.c2
-rw-r--r--drivers/dma/ste_dma40.c3
-rw-r--r--drivers/dma/ste_dma40_ll.h2
-rw-r--r--drivers/dma/tegra20-apb-dma.c10
21 files changed, 106 insertions, 59 deletions
diff --git a/drivers/dma/at_hdmac.c b/drivers/dma/at_hdmac.c
index 3934fcc4e00b..13a02f4425b0 100644
--- a/drivers/dma/at_hdmac.c
+++ b/drivers/dma/at_hdmac.c
@@ -168,9 +168,9 @@ static void atc_desc_put(struct at_dma_chan *atchan, struct at_desc *desc)
}
/**
- * atc_desc_chain - build chain adding a descripor
- * @first: address of first descripor of the chain
- * @prev: address of previous descripor of the chain
+ * atc_desc_chain - build chain adding a descriptor
+ * @first: address of first descriptor of the chain
+ * @prev: address of previous descriptor of the chain
* @desc: descriptor to queue
*
* Called from prep_* functions
@@ -661,7 +661,7 @@ atc_prep_slave_sg(struct dma_chan *chan, struct scatterlist *sgl,
flags);
if (unlikely(!atslave || !sg_len)) {
- dev_dbg(chan2dev(chan), "prep_dma_memcpy: length is zero!\n");
+ dev_dbg(chan2dev(chan), "prep_slave_sg: sg length is zero!\n");
return NULL;
}
@@ -689,6 +689,11 @@ atc_prep_slave_sg(struct dma_chan *chan, struct scatterlist *sgl,
mem = sg_dma_address(sg);
len = sg_dma_len(sg);
+ if (unlikely(!len)) {
+ dev_dbg(chan2dev(chan),
+ "prep_slave_sg: sg(%d) data length is zero\n", i);
+ goto err;
+ }
mem_width = 2;
if (unlikely(mem & 3 || len & 3))
mem_width = 0;
@@ -724,6 +729,11 @@ atc_prep_slave_sg(struct dma_chan *chan, struct scatterlist *sgl,
mem = sg_dma_address(sg);
len = sg_dma_len(sg);
+ if (unlikely(!len)) {
+ dev_dbg(chan2dev(chan),
+ "prep_slave_sg: sg(%d) data length is zero\n", i);
+ goto err;
+ }
mem_width = 2;
if (unlikely(mem & 3 || len & 3))
mem_width = 0;
@@ -757,6 +767,7 @@ atc_prep_slave_sg(struct dma_chan *chan, struct scatterlist *sgl,
err_desc_get:
dev_err(chan2dev(chan), "not enough descriptors available\n");
+err:
atc_desc_put(atchan, first);
return NULL;
}
@@ -785,7 +796,7 @@ err_out:
}
/**
- * atc_dma_cyclic_fill_desc - Fill one period decriptor
+ * atc_dma_cyclic_fill_desc - Fill one period descriptor
*/
static int
atc_dma_cyclic_fill_desc(struct dma_chan *chan, struct at_desc *desc,
@@ -841,12 +852,13 @@ atc_dma_cyclic_fill_desc(struct dma_chan *chan, struct at_desc *desc,
* @buf_len: total number of bytes for the entire buffer
* @period_len: number of bytes for each period
* @direction: transfer direction, to or from device
+ * @flags: tx descriptor status flags
* @context: transfer context (ignored)
*/
static struct dma_async_tx_descriptor *
atc_prep_dma_cyclic(struct dma_chan *chan, dma_addr_t buf_addr, size_t buf_len,
size_t period_len, enum dma_transfer_direction direction,
- void *context)
+ unsigned long flags, void *context)
{
struct at_dma_chan *atchan = to_at_dma_chan(chan);
struct at_dma_slave *atslave = chan->private;
diff --git a/drivers/dma/at_hdmac_regs.h b/drivers/dma/at_hdmac_regs.h
index 8a6c8e8b2940..116e4adffb08 100644
--- a/drivers/dma/at_hdmac_regs.h
+++ b/drivers/dma/at_hdmac_regs.h
@@ -11,7 +11,7 @@
#ifndef AT_HDMAC_REGS_H
#define AT_HDMAC_REGS_H
-#include <mach/at_hdmac.h>
+#include <linux/platform_data/dma-atmel.h>
#define AT_DMA_MAX_NR_CHANNELS 8
diff --git a/drivers/dma/dmaengine.c b/drivers/dma/dmaengine.c
index 3491654cdf7b..a815d44c70a4 100644
--- a/drivers/dma/dmaengine.c
+++ b/drivers/dma/dmaengine.c
@@ -582,7 +582,7 @@ void dmaengine_get(void)
list_del_rcu(&device->global_node);
break;
} else if (err)
- pr_err("%s: failed to get %s: (%d)\n",
+ pr_debug("%s: failed to get %s: (%d)\n",
__func__, dma_chan_name(chan), err);
}
}
diff --git a/drivers/dma/ep93xx_dma.c b/drivers/dma/ep93xx_dma.c
index c64917ec313d..bcfde400904f 100644
--- a/drivers/dma/ep93xx_dma.c
+++ b/drivers/dma/ep93xx_dma.c
@@ -26,7 +26,7 @@
#include <linux/platform_device.h>
#include <linux/slab.h>
-#include <mach/dma.h>
+#include <linux/platform_data/dma-ep93xx.h>
#include "dmaengine.h"
@@ -1118,8 +1118,9 @@ fail:
* @chan: channel
* @dma_addr: DMA mapped address of the buffer
* @buf_len: length of the buffer (in bytes)
- * @period_len: lenght of a single period
+ * @period_len: length of a single period
* @dir: direction of the operation
+ * @flags: tx descriptor status flags
* @context: operation context (ignored)
*
* Prepares a descriptor for cyclic DMA operation. This means that once the
@@ -1133,7 +1134,8 @@ fail:
static struct dma_async_tx_descriptor *
ep93xx_dma_prep_dma_cyclic(struct dma_chan *chan, dma_addr_t dma_addr,
size_t buf_len, size_t period_len,
- enum dma_transfer_direction dir, void *context)
+ enum dma_transfer_direction dir, unsigned long flags,
+ void *context)
{
struct ep93xx_dma_chan *edmac = to_ep93xx_dma_chan(chan);
struct ep93xx_dma_desc *desc, *first;
diff --git a/drivers/dma/fsldma.c b/drivers/dma/fsldma.c
index 8f84761f98ba..094437b9d823 100644
--- a/drivers/dma/fsldma.c
+++ b/drivers/dma/fsldma.c
@@ -1015,7 +1015,7 @@ static irqreturn_t fsldma_chan_irq(int irq, void *data)
/*
* Programming Error
* The DMA_INTERRUPT async_tx is a NULL transfer, which will
- * triger a PE interrupt.
+ * trigger a PE interrupt.
*/
if (stat & FSL_DMA_SR_PE) {
chan_dbg(chan, "irq: Programming Error INT\n");
diff --git a/drivers/dma/imx-dma.c b/drivers/dma/imx-dma.c
index 5084975d793c..f11b5b2b1a1c 100644
--- a/drivers/dma/imx-dma.c
+++ b/drivers/dma/imx-dma.c
@@ -28,7 +28,7 @@
#include <linux/module.h>
#include <asm/irq.h>
-#include <mach/dma.h>
+#include <linux/platform_data/dma-imx.h>
#include <mach/hardware.h>
#include "dmaengine.h"
@@ -572,8 +572,8 @@ static void imxdma_tasklet(unsigned long data)
if (desc->desc.callback)
desc->desc.callback(desc->desc.callback_param);
- /* If we are dealing with a cyclic descriptor keep it on ld_active
- * and dont mark the descripor as complete.
+ /* If we are dealing with a cyclic descriptor, keep it on ld_active
+ * and dont mark the descriptor as complete.
* Only in non-cyclic cases it would be marked as complete
*/
if (imxdma_chan_is_doing_cyclic(imxdmac))
@@ -801,7 +801,7 @@ static struct dma_async_tx_descriptor *imxdma_prep_slave_sg(
static struct dma_async_tx_descriptor *imxdma_prep_dma_cyclic(
struct dma_chan *chan, dma_addr_t dma_addr, size_t buf_len,
size_t period_len, enum dma_transfer_direction direction,
- void *context)
+ unsigned long flags, void *context)
{
struct imxdma_channel *imxdmac = to_imxdma_chan(chan);
struct imxdma_engine *imxdma = imxdmac->imxdma;
diff --git a/drivers/dma/imx-sdma.c b/drivers/dma/imx-sdma.c
index 1dc2a4ad0026..c099ca0846f4 100644
--- a/drivers/dma/imx-sdma.c
+++ b/drivers/dma/imx-sdma.c
@@ -38,8 +38,8 @@
#include <linux/of_device.h>
#include <asm/irq.h>
-#include <mach/sdma.h>
-#include <mach/dma.h>
+#include <linux/platform_data/dma-imx-sdma.h>
+#include <linux/platform_data/dma-imx.h>
#include <mach/hardware.h>
#include "dmaengine.h"
@@ -1012,7 +1012,7 @@ err_out:
static struct dma_async_tx_descriptor *sdma_prep_dma_cyclic(
struct dma_chan *chan, dma_addr_t dma_addr, size_t buf_len,
size_t period_len, enum dma_transfer_direction direction,
- void *context)
+ unsigned long flags, void *context)
{
struct sdma_channel *sdmac = to_sdma_chan(chan);
struct sdma_engine *sdma = sdmac->sdma;
diff --git a/drivers/dma/intel_mid_dma.c b/drivers/dma/intel_mid_dma.c
index 222e907bfaaa..02b21d7d38e5 100644
--- a/drivers/dma/intel_mid_dma.c
+++ b/drivers/dma/intel_mid_dma.c
@@ -427,7 +427,7 @@ DMA engine callback Functions*/
* intel_mid_dma_tx_submit - callback to submit DMA transaction
* @tx: dma engine descriptor
*
- * Submit the DMA trasaction for this descriptor, start if ch idle
+ * Submit the DMA transaction for this descriptor, start if ch idle
*/
static dma_cookie_t intel_mid_dma_tx_submit(struct dma_async_tx_descriptor *tx)
{
diff --git a/drivers/dma/intel_mid_dma_regs.h b/drivers/dma/intel_mid_dma_regs.h
index 1bfa9268feaf..17b42192ea58 100644
--- a/drivers/dma/intel_mid_dma_regs.h
+++ b/drivers/dma/intel_mid_dma_regs.h
@@ -168,9 +168,9 @@ union intel_mid_dma_cfg_hi {
* @active_list: current active descriptors
* @queue: current queued up descriptors
* @free_list: current free descriptors
- * @slave: dma slave struture
- * @descs_allocated: total number of decsiptors allocated
- * @dma: dma device struture pointer
+ * @slave: dma slave structure
+ * @descs_allocated: total number of descriptors allocated
+ * @dma: dma device structure pointer
* @busy: bool representing if ch is busy (active txn) or not
* @in_use: bool representing if ch is in use or not
* @raw_tfr: raw trf interrupt received
diff --git a/drivers/dma/ioat/hw.h b/drivers/dma/ioat/hw.h
index 60e675455b6a..d2ff3fda0b18 100644
--- a/drivers/dma/ioat/hw.h
+++ b/drivers/dma/ioat/hw.h
@@ -22,7 +22,6 @@
#define _IOAT_HW_H_
/* PCI Configuration Space Values */
-#define IOAT_PCI_VID 0x8086
#define IOAT_MMIO_BAR 0
/* CB device ID's */
@@ -31,9 +30,6 @@
#define IOAT_PCI_DID_SCNB 0x65FF
#define IOAT_PCI_DID_SNB 0x402F
-#define IOAT_PCI_RID 0x00
-#define IOAT_PCI_SVID 0x8086
-#define IOAT_PCI_SID 0x8086
#define IOAT_VER_1_2 0x12 /* Version 1.2 */
#define IOAT_VER_2_0 0x20 /* Version 2.0 */
#define IOAT_VER_3_0 0x30 /* Version 3.0 */
diff --git a/drivers/dma/mmp_tdma.c b/drivers/dma/mmp_tdma.c
index b93d73ca84ff..f3e8d71bcbc7 100644
--- a/drivers/dma/mmp_tdma.c
+++ b/drivers/dma/mmp_tdma.c
@@ -19,7 +19,7 @@
#include <linux/platform_device.h>
#include <linux/device.h>
#include <mach/regs-icu.h>
-#include <mach/sram.h>
+#include <linux/platform_data/dma-mmp_tdma.h>
#include <linux/of_device.h>
#include "dmaengine.h"
@@ -358,7 +358,7 @@ struct mmp_tdma_desc *mmp_tdma_alloc_descriptor(struct mmp_tdma_chan *tdmac)
static struct dma_async_tx_descriptor *mmp_tdma_prep_dma_cyclic(
struct dma_chan *chan, dma_addr_t dma_addr, size_t buf_len,
size_t period_len, enum dma_transfer_direction direction,
- void *context)
+ unsigned long flags, void *context)
{
struct mmp_tdma_chan *tdmac = to_mmp_tdma_chan(chan);
struct mmp_tdma_desc *desc;
diff --git a/drivers/dma/mv_xor.c b/drivers/dma/mv_xor.c
index 0b12e68bf79c..e362e2b80efb 100644
--- a/drivers/dma/mv_xor.c
+++ b/drivers/dma/mv_xor.c
@@ -26,7 +26,7 @@
#include <linux/platform_device.h>
#include <linux/memory.h>
#include <linux/clk.h>
-#include <plat/mv_xor.h>
+#include <linux/platform_data/dma-mv_xor.h>
#include "dmaengine.h"
#include "mv_xor.h"
diff --git a/drivers/dma/mxs-dma.c b/drivers/dma/mxs-dma.c
index e269325d0f00..9f02e794b12b 100644
--- a/drivers/dma/mxs-dma.c
+++ b/drivers/dma/mxs-dma.c
@@ -533,7 +533,7 @@ err_out:
static struct dma_async_tx_descriptor *mxs_dma_prep_dma_cyclic(
struct dma_chan *chan, dma_addr_t dma_addr, size_t buf_len,
size_t period_len, enum dma_transfer_direction direction,
- void *context)
+ unsigned long flags, void *context)
{
struct mxs_dma_chan *mxs_chan = to_mxs_dma_chan(chan);
struct mxs_dma_engine *mxs_dma = mxs_chan->mxs_dma;
diff --git a/drivers/dma/omap-dma.c b/drivers/dma/omap-dma.c
index ae0561826137..bb2d8e7029eb 100644
--- a/drivers/dma/omap-dma.c
+++ b/drivers/dma/omap-dma.c
@@ -18,6 +18,8 @@
#include <linux/spinlock.h>
#include "virt-dma.h"
+
+#include <plat/cpu.h>
#include <plat/dma.h>
struct omap_dmadev {
@@ -34,6 +36,7 @@ struct omap_chan {
struct dma_slave_config cfg;
unsigned dma_sig;
bool cyclic;
+ bool paused;
int dma_ch;
struct omap_desc *desc;
@@ -365,7 +368,8 @@ static struct dma_async_tx_descriptor *omap_dma_prep_slave_sg(
static struct dma_async_tx_descriptor *omap_dma_prep_dma_cyclic(
struct dma_chan *chan, dma_addr_t buf_addr, size_t buf_len,
- size_t period_len, enum dma_transfer_direction dir, void *context)
+ size_t period_len, enum dma_transfer_direction dir, unsigned long flags,
+ void *context)
{
struct omap_chan *c = to_omap_dma_chan(chan);
enum dma_slave_buswidth dev_width;
@@ -413,7 +417,10 @@ static struct dma_async_tx_descriptor *omap_dma_prep_dma_cyclic(
d->dev_addr = dev_addr;
d->fi = burst;
d->es = es;
- d->sync_mode = OMAP_DMA_SYNC_PACKET;
+ if (burst)
+ d->sync_mode = OMAP_DMA_SYNC_PACKET;
+ else
+ d->sync_mode = OMAP_DMA_SYNC_ELEMENT;
d->sync_type = sync_type;
d->periph_port = OMAP_DMA_PORT_MPUI;
d->sg[0].addr = buf_addr;
@@ -424,7 +431,10 @@ static struct dma_async_tx_descriptor *omap_dma_prep_dma_cyclic(
if (!c->cyclic) {
c->cyclic = true;
omap_dma_link_lch(c->dma_ch, c->dma_ch);
- omap_enable_dma_irq(c->dma_ch, OMAP_DMA_FRAME_IRQ);
+
+ if (flags & DMA_PREP_INTERRUPT)
+ omap_enable_dma_irq(c->dma_ch, OMAP_DMA_FRAME_IRQ);
+
omap_disable_dma_irq(c->dma_ch, OMAP_DMA_BLOCK_IRQ);
}
@@ -433,7 +443,7 @@ static struct dma_async_tx_descriptor *omap_dma_prep_dma_cyclic(
omap_set_dma_dest_burst_mode(c->dma_ch, OMAP_DMA_DATA_BURST_16);
}
- return vchan_tx_prep(&c->vc, &d->vd, DMA_CTRL_ACK | DMA_PREP_INTERRUPT);
+ return vchan_tx_prep(&c->vc, &d->vd, flags);
}
static int omap_dma_slave_config(struct omap_chan *c, struct dma_slave_config *cfg)
@@ -467,11 +477,14 @@ static int omap_dma_terminate_all(struct omap_chan *c)
*/
if (c->desc) {
c->desc = NULL;
- omap_stop_dma(c->dma_ch);
+ /* Avoid stopping the dma twice */
+ if (!c->paused)
+ omap_stop_dma(c->dma_ch);
}
if (c->cyclic) {
c->cyclic = false;
+ c->paused = false;
omap_dma_unlink_lch(c->dma_ch, c->dma_ch);
}
@@ -484,14 +497,30 @@ static int omap_dma_terminate_all(struct omap_chan *c)
static int omap_dma_pause(struct omap_chan *c)
{
- /* FIXME: not supported by platform private API */
- return -EINVAL;
+ /* Pause/Resume only allowed with cyclic mode */
+ if (!c->cyclic)
+ return -EINVAL;
+
+ if (!c->paused) {
+ omap_stop_dma(c->dma_ch);
+ c->paused = true;
+ }
+
+ return 0;
}
static int omap_dma_resume(struct omap_chan *c)
{
- /* FIXME: not supported by platform private API */
- return -EINVAL;
+ /* Pause/Resume only allowed with cyclic mode */
+ if (!c->cyclic)
+ return -EINVAL;
+
+ if (c->paused) {
+ omap_start_dma(c->dma_ch);
+ c->paused = false;
+ }
+
+ return 0;
}
static int omap_dma_control(struct dma_chan *chan, enum dma_ctrl_cmd cmd,
diff --git a/drivers/dma/pl330.c b/drivers/dma/pl330.c
index 28322dced886..665668b6f2b1 100644
--- a/drivers/dma/pl330.c
+++ b/drivers/dma/pl330.c
@@ -521,7 +521,7 @@ enum desc_status {
/* In the DMAC pool */
FREE,
/*
- * Allocted to some channel during prep_xxx
+ * Allocated to some channel during prep_xxx
* Also may be sitting on the work_list.
*/
PREP,
@@ -1564,17 +1564,19 @@ static int pl330_submit_req(void *ch_id, struct pl330_req *r)
goto xfer_exit;
}
- /* Prefer Secure Channel */
- if (!_manager_ns(thrd))
- r->cfg->nonsecure = 0;
- else
- r->cfg->nonsecure = 1;
/* Use last settings, if not provided */
- if (r->cfg)
+ if (r->cfg) {
+ /* Prefer Secure Channel */
+ if (!_manager_ns(thrd))
+ r->cfg->nonsecure = 0;
+ else
+ r->cfg->nonsecure = 1;
+
ccr = _prepare_ccr(r->cfg);
- else
+ } else {
ccr = readl(regs + CC(thrd->id));
+ }
/* If this req doesn't have valid xfer settings */
if (!_is_valid(ccr)) {
@@ -2680,7 +2682,7 @@ static inline int get_burst_len(struct dma_pl330_desc *desc, size_t len)
static struct dma_async_tx_descriptor *pl330_prep_dma_cyclic(
struct dma_chan *chan, dma_addr_t dma_addr, size_t len,
size_t period_len, enum dma_transfer_direction direction,
- void *context)
+ unsigned long flags, void *context)
{
struct dma_pl330_desc *desc;
struct dma_pl330_chan *pch = to_pchan(chan);
@@ -2913,6 +2915,11 @@ pl330_probe(struct amba_device *adev, const struct amba_id *id)
num_chan = max_t(int, pi->pcfg.num_peri, pi->pcfg.num_chan);
pdmac->peripherals = kzalloc(num_chan * sizeof(*pch), GFP_KERNEL);
+ if (!pdmac->peripherals) {
+ ret = -ENOMEM;
+ dev_err(&adev->dev, "unable to allocate pdmac->peripherals\n");
+ goto probe_err4;
+ }
for (i = 0; i < num_chan; i++) {
pch = &pdmac->peripherals[i];
diff --git a/drivers/dma/ppc4xx/adma.c b/drivers/dma/ppc4xx/adma.c
index ced98826684a..f72348d0bc41 100644
--- a/drivers/dma/ppc4xx/adma.c
+++ b/drivers/dma/ppc4xx/adma.c
@@ -4446,7 +4446,7 @@ static int __devinit ppc440spe_adma_probe(struct platform_device *ofdev)
ret = -ENOMEM;
goto err_dma_alloc;
}
- dev_dbg(&ofdev->dev, "allocted descriptor pool virt 0x%p phys 0x%llx\n",
+ dev_dbg(&ofdev->dev, "allocated descriptor pool virt 0x%p phys 0x%llx\n",
adev->dma_desc_pool_virt, (u64)adev->dma_desc_pool);
regs = ioremap(res.start, resource_size(&res));
diff --git a/drivers/dma/sa11x0-dma.c b/drivers/dma/sa11x0-dma.c
index f5a73606217e..b893159c1ecb 100644
--- a/drivers/dma/sa11x0-dma.c
+++ b/drivers/dma/sa11x0-dma.c
@@ -614,7 +614,7 @@ static struct dma_async_tx_descriptor *sa11x0_dma_prep_slave_sg(
static struct dma_async_tx_descriptor *sa11x0_dma_prep_dma_cyclic(
struct dma_chan *chan, dma_addr_t addr, size_t size, size_t period,
- enum dma_transfer_direction dir, void *context)
+ enum dma_transfer_direction dir, unsigned long flags, void *context)
{
struct sa11x0_dma_chan *c = to_sa11x0_dma_chan(chan);
struct sa11x0_dma_desc *txd;
diff --git a/drivers/dma/sirf-dma.c b/drivers/dma/sirf-dma.c
index 1af9e4804a2c..64385cde044b 100644
--- a/drivers/dma/sirf-dma.c
+++ b/drivers/dma/sirf-dma.c
@@ -489,7 +489,7 @@ err_dir:
static struct dma_async_tx_descriptor *
sirfsoc_dma_prep_cyclic(struct dma_chan *chan, dma_addr_t addr,
size_t buf_len, size_t period_len,
- enum dma_transfer_direction direction, void *context)
+ enum dma_transfer_direction direction, unsigned long flags, void *context)
{
struct sirfsoc_dma_chan *schan = dma_chan_to_sirfsoc_dma_chan(chan);
struct sirfsoc_dma_desc *sdesc = NULL;
diff --git a/drivers/dma/ste_dma40.c b/drivers/dma/ste_dma40.c
index 826d0d5d5b0b..ae55091c2272 100644
--- a/drivers/dma/ste_dma40.c
+++ b/drivers/dma/ste_dma40.c
@@ -2347,7 +2347,8 @@ static struct dma_async_tx_descriptor *d40_prep_slave_sg(struct dma_chan *chan,
static struct dma_async_tx_descriptor *
dma40_prep_dma_cyclic(struct dma_chan *chan, dma_addr_t dma_addr,
size_t buf_len, size_t period_len,
- enum dma_transfer_direction direction, void *context)
+ enum dma_transfer_direction direction, unsigned long flags,
+ void *context)
{
unsigned int periods = buf_len / period_len;
struct dma_async_tx_descriptor *txd;
diff --git a/drivers/dma/ste_dma40_ll.h b/drivers/dma/ste_dma40_ll.h
index 51e8e5396e9b..6d47373f3f58 100644
--- a/drivers/dma/ste_dma40_ll.h
+++ b/drivers/dma/ste_dma40_ll.h
@@ -202,7 +202,7 @@
/* LLI related structures */
/**
- * struct d40_phy_lli - The basic configration register for each physical
+ * struct d40_phy_lli - The basic configuration register for each physical
* channel.
*
* @reg_cfg: The configuration register.
diff --git a/drivers/dma/tegra20-apb-dma.c b/drivers/dma/tegra20-apb-dma.c
index e447c8aad48a..528c62dd4b00 100644
--- a/drivers/dma/tegra20-apb-dma.c
+++ b/drivers/dma/tegra20-apb-dma.c
@@ -202,7 +202,7 @@ struct tegra_dma {
struct clk *dma_clk;
spinlock_t global_lock;
void __iomem *base_addr;
- struct tegra_dma_chip_data *chip_data;
+ const struct tegra_dma_chip_data *chip_data;
/* Some register need to be cache before suspend */
u32 reg_gen;
@@ -989,7 +989,7 @@ static struct dma_async_tx_descriptor *tegra_dma_prep_slave_sg(
struct dma_async_tx_descriptor *tegra_dma_prep_dma_cyclic(
struct dma_chan *dc, dma_addr_t buf_addr, size_t buf_len,
size_t period_len, enum dma_transfer_direction direction,
- void *context)
+ unsigned long flags, void *context)
{
struct tegra_dma_channel *tdc = to_tegra_dma_chan(dc);
struct tegra_dma_desc *dma_desc = NULL;
@@ -1172,14 +1172,14 @@ static void tegra_dma_free_chan_resources(struct dma_chan *dc)
}
/* Tegra20 specific DMA controller information */
-static struct tegra_dma_chip_data tegra20_dma_chip_data = {
+static const struct tegra_dma_chip_data tegra20_dma_chip_data = {
.nr_channels = 16,
.max_dma_count = 1024UL * 64,
};
#if defined(CONFIG_OF)
/* Tegra30 specific DMA controller information */
-static struct tegra_dma_chip_data tegra30_dma_chip_data = {
+static const struct tegra_dma_chip_data tegra30_dma_chip_data = {
.nr_channels = 32,
.max_dma_count = 1024UL * 64,
};
@@ -1203,7 +1203,7 @@ static int __devinit tegra_dma_probe(struct platform_device *pdev)
struct tegra_dma *tdma;
int ret;
int i;
- struct tegra_dma_chip_data *cdata = NULL;
+ const struct tegra_dma_chip_data *cdata = NULL;
if (pdev->dev.of_node) {
const struct of_device_id *match;
generated by cgit v1.2.3 (git 2.39.0) at 2025-02-09 13:38:51 +0300