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-rw-r--r--drivers/dma/at_hdmac.c9
-rw-r--r--drivers/dma/at_xdmac.c9
-rw-r--r--drivers/dma/dma-axi-dmac.c2
-rw-r--r--drivers/dma/dmatest.c16
-rw-r--r--drivers/dma/dw/platform.c6
-rw-r--r--drivers/dma/fsldma.c6
-rw-r--r--drivers/dma/idma64.c6
-rw-r--r--drivers/dma/qcom/bam_dma.c10
8 files changed, 32 insertions, 32 deletions
diff --git a/drivers/dma/at_hdmac.c b/drivers/dma/at_hdmac.c
index a861b5b4d443..75f38d19fcbe 100644
--- a/drivers/dma/at_hdmac.c
+++ b/drivers/dma/at_hdmac.c
@@ -2041,8 +2041,7 @@ static void at_dma_shutdown(struct platform_device *pdev)
static int at_dma_prepare(struct device *dev)
{
- struct platform_device *pdev = to_platform_device(dev);
- struct at_dma *atdma = platform_get_drvdata(pdev);
+ struct at_dma *atdma = dev_get_drvdata(dev);
struct dma_chan *chan, *_chan;
list_for_each_entry_safe(chan, _chan, &atdma->dma_common.channels,
@@ -2076,8 +2075,7 @@ static void atc_suspend_cyclic(struct at_dma_chan *atchan)
static int at_dma_suspend_noirq(struct device *dev)
{
- struct platform_device *pdev = to_platform_device(dev);
- struct at_dma *atdma = platform_get_drvdata(pdev);
+ struct at_dma *atdma = dev_get_drvdata(dev);
struct dma_chan *chan, *_chan;
/* preserve data */
@@ -2118,8 +2116,7 @@ static void atc_resume_cyclic(struct at_dma_chan *atchan)
static int at_dma_resume_noirq(struct device *dev)
{
- struct platform_device *pdev = to_platform_device(dev);
- struct at_dma *atdma = platform_get_drvdata(pdev);
+ struct at_dma *atdma = dev_get_drvdata(dev);
struct dma_chan *chan, *_chan;
/* bring back DMA controller */
diff --git a/drivers/dma/at_xdmac.c b/drivers/dma/at_xdmac.c
index 94236ec9d410..4bf72561667c 100644
--- a/drivers/dma/at_xdmac.c
+++ b/drivers/dma/at_xdmac.c
@@ -1833,8 +1833,7 @@ static void at_xdmac_free_chan_resources(struct dma_chan *chan)
#ifdef CONFIG_PM
static int atmel_xdmac_prepare(struct device *dev)
{
- struct platform_device *pdev = to_platform_device(dev);
- struct at_xdmac *atxdmac = platform_get_drvdata(pdev);
+ struct at_xdmac *atxdmac = dev_get_drvdata(dev);
struct dma_chan *chan, *_chan;
list_for_each_entry_safe(chan, _chan, &atxdmac->dma.channels, device_node) {
@@ -1853,8 +1852,7 @@ static int atmel_xdmac_prepare(struct device *dev)
#ifdef CONFIG_PM_SLEEP
static int atmel_xdmac_suspend(struct device *dev)
{
- struct platform_device *pdev = to_platform_device(dev);
- struct at_xdmac *atxdmac = platform_get_drvdata(pdev);
+ struct at_xdmac *atxdmac = dev_get_drvdata(dev);
struct dma_chan *chan, *_chan;
list_for_each_entry_safe(chan, _chan, &atxdmac->dma.channels, device_node) {
@@ -1878,8 +1876,7 @@ static int atmel_xdmac_suspend(struct device *dev)
static int atmel_xdmac_resume(struct device *dev)
{
- struct platform_device *pdev = to_platform_device(dev);
- struct at_xdmac *atxdmac = platform_get_drvdata(pdev);
+ struct at_xdmac *atxdmac = dev_get_drvdata(dev);
struct at_xdmac_chan *atchan;
struct dma_chan *chan, *_chan;
int i;
diff --git a/drivers/dma/dma-axi-dmac.c b/drivers/dma/dma-axi-dmac.c
index 2419fe524daa..15b2453d2647 100644
--- a/drivers/dma/dma-axi-dmac.c
+++ b/drivers/dma/dma-axi-dmac.c
@@ -687,7 +687,7 @@ static int axi_dmac_probe(struct platform_device *pdev)
if (ret)
goto err_unregister_device;
- ret = request_irq(dmac->irq, axi_dmac_interrupt_handler, 0,
+ ret = request_irq(dmac->irq, axi_dmac_interrupt_handler, IRQF_SHARED,
dev_name(&pdev->dev), dmac);
if (ret)
goto err_unregister_of;
diff --git a/drivers/dma/dmatest.c b/drivers/dma/dmatest.c
index b9339524d5bd..aa1712beb0cc 100644
--- a/drivers/dma/dmatest.c
+++ b/drivers/dma/dmatest.c
@@ -468,6 +468,8 @@ static int dmatest_func(void *data)
unsigned long long total_len = 0;
u8 align = 0;
bool is_memset = false;
+ dma_addr_t *srcs;
+ dma_addr_t *dma_pq;
set_freezable();
@@ -551,6 +553,14 @@ static int dmatest_func(void *data)
set_user_nice(current, 10);
+ srcs = kcalloc(src_cnt, sizeof(dma_addr_t), GFP_KERNEL);
+ if (!srcs)
+ goto err_dstbuf;
+
+ dma_pq = kcalloc(dst_cnt, sizeof(dma_addr_t), GFP_KERNEL);
+ if (!dma_pq)
+ goto err_srcs_array;
+
/*
* src and dst buffers are freed by ourselves below
*/
@@ -561,7 +571,6 @@ static int dmatest_func(void *data)
&& !(params->iterations && total_tests >= params->iterations)) {
struct dma_async_tx_descriptor *tx = NULL;
struct dmaengine_unmap_data *um;
- dma_addr_t srcs[src_cnt];
dma_addr_t *dsts;
unsigned int src_off, dst_off, len;
@@ -676,8 +685,6 @@ static int dmatest_func(void *data)
srcs, src_cnt,
len, flags);
else if (thread->type == DMA_PQ) {
- dma_addr_t dma_pq[dst_cnt];
-
for (i = 0; i < dst_cnt; i++)
dma_pq[i] = dsts[i] + dst_off;
tx = dev->device_prep_dma_pq(chan, dma_pq, srcs,
@@ -779,6 +786,9 @@ static int dmatest_func(void *data)
runtime = ktime_to_us(ktime);
ret = 0;
+ kfree(dma_pq);
+err_srcs_array:
+ kfree(srcs);
err_dstbuf:
for (i = 0; thread->udsts[i]; i++)
kfree(thread->udsts[i]);
diff --git a/drivers/dma/dw/platform.c b/drivers/dma/dw/platform.c
index bc31fe802061..f62dd0944908 100644
--- a/drivers/dma/dw/platform.c
+++ b/drivers/dma/dw/platform.c
@@ -293,8 +293,7 @@ MODULE_DEVICE_TABLE(acpi, dw_dma_acpi_id_table);
static int dw_suspend_late(struct device *dev)
{
- struct platform_device *pdev = to_platform_device(dev);
- struct dw_dma_chip *chip = platform_get_drvdata(pdev);
+ struct dw_dma_chip *chip = dev_get_drvdata(dev);
dw_dma_disable(chip);
clk_disable_unprepare(chip->clk);
@@ -304,8 +303,7 @@ static int dw_suspend_late(struct device *dev)
static int dw_resume_early(struct device *dev)
{
- struct platform_device *pdev = to_platform_device(dev);
- struct dw_dma_chip *chip = platform_get_drvdata(pdev);
+ struct dw_dma_chip *chip = dev_get_drvdata(dev);
int ret;
ret = clk_prepare_enable(chip->clk);
diff --git a/drivers/dma/fsldma.c b/drivers/dma/fsldma.c
index 3eaece888e75..1117b5123a6f 100644
--- a/drivers/dma/fsldma.c
+++ b/drivers/dma/fsldma.c
@@ -1328,8 +1328,7 @@ static int fsldma_of_remove(struct platform_device *op)
#ifdef CONFIG_PM
static int fsldma_suspend_late(struct device *dev)
{
- struct platform_device *pdev = to_platform_device(dev);
- struct fsldma_device *fdev = platform_get_drvdata(pdev);
+ struct fsldma_device *fdev = dev_get_drvdata(dev);
struct fsldma_chan *chan;
int i;
@@ -1360,8 +1359,7 @@ out:
static int fsldma_resume_early(struct device *dev)
{
- struct platform_device *pdev = to_platform_device(dev);
- struct fsldma_device *fdev = platform_get_drvdata(pdev);
+ struct fsldma_device *fdev = dev_get_drvdata(dev);
struct fsldma_chan *chan;
u32 mode;
int i;
diff --git a/drivers/dma/idma64.c b/drivers/dma/idma64.c
index 1953e57505f4..e5c911200bdb 100644
--- a/drivers/dma/idma64.c
+++ b/drivers/dma/idma64.c
@@ -670,8 +670,7 @@ static int idma64_platform_remove(struct platform_device *pdev)
static int idma64_pm_suspend(struct device *dev)
{
- struct platform_device *pdev = to_platform_device(dev);
- struct idma64_chip *chip = platform_get_drvdata(pdev);
+ struct idma64_chip *chip = dev_get_drvdata(dev);
idma64_off(chip->idma64);
return 0;
@@ -679,8 +678,7 @@ static int idma64_pm_suspend(struct device *dev)
static int idma64_pm_resume(struct device *dev)
{
- struct platform_device *pdev = to_platform_device(dev);
- struct idma64_chip *chip = platform_get_drvdata(pdev);
+ struct idma64_chip *chip = dev_get_drvdata(dev);
idma64_on(chip->idma64);
return 0;
diff --git a/drivers/dma/qcom/bam_dma.c b/drivers/dma/qcom/bam_dma.c
index d29275b97e84..b1628d5db6d7 100644
--- a/drivers/dma/qcom/bam_dma.c
+++ b/drivers/dma/qcom/bam_dma.c
@@ -451,6 +451,7 @@ static void bam_reset_channel(struct bam_chan *bchan)
/**
* bam_chan_init_hw - Initialize channel hardware
* @bchan: bam channel
+ * @dir: DMA transfer direction
*
* This function resets and initializes the BAM channel
*/
@@ -665,7 +666,7 @@ static struct dma_async_tx_descriptor *bam_prep_slave_sg(struct dma_chan *chan,
remainder = 0;
}
- async_desc->length += desc->size;
+ async_desc->length += le16_to_cpu(desc->size);
desc++;
} while (remainder > 0);
}
@@ -679,7 +680,7 @@ err_out:
/**
* bam_dma_terminate_all - terminate all transactions on a channel
- * @bchan: bam dma channel
+ * @chan: bam dma channel
*
* Dequeues and frees all transactions
* No callbacks are done
@@ -910,7 +911,8 @@ static enum dma_status bam_tx_status(struct dma_chan *chan, dma_cookie_t cookie,
continue;
for (i = 0; i < async_desc->num_desc; i++)
- residue += async_desc->curr_desc[i].size;
+ residue += le16_to_cpu(
+ async_desc->curr_desc[i].size);
}
}
@@ -950,7 +952,7 @@ static void bam_apply_new_config(struct bam_chan *bchan,
/**
* bam_start_dma - start next transaction
- * @bchan - bam dma channel
+ * @bchan: bam dma channel
*/
static void bam_start_dma(struct bam_chan *bchan)
{