aboutsummaryrefslogtreecommitdiff
path: root/drivers/misc/carma
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/misc/carma')
-rw-r--r--drivers/misc/carma/carma-fpga-program.c18
-rw-r--r--drivers/misc/carma/carma-fpga.c16
2 files changed, 20 insertions, 14 deletions
diff --git a/drivers/misc/carma/carma-fpga-program.c b/drivers/misc/carma/carma-fpga-program.c
index eaddfe9db14..7be89832db1 100644
--- a/drivers/misc/carma/carma-fpga-program.c
+++ b/drivers/misc/carma/carma-fpga-program.c
@@ -10,6 +10,8 @@
*/
#include <linux/dma-mapping.h>
+#include <linux/of_address.h>
+#include <linux/of_irq.h>
#include <linux/of_platform.h>
#include <linux/completion.h>
#include <linux/miscdevice.h>
@@ -546,7 +548,7 @@ static noinline int fpga_program_dma(struct fpga_dev *priv)
goto out_dma_unmap;
}
- dma_async_memcpy_issue_pending(chan);
+ dma_async_issue_pending(chan);
/* Set the total byte count */
fpga_set_byte_count(priv->regs, priv->bytes);
@@ -830,8 +832,9 @@ static ssize_t penable_store(struct device *dev, struct device_attribute *attr,
unsigned long val;
int ret;
- if (strict_strtoul(buf, 0, &val))
- return -EINVAL;
+ ret = kstrtoul(buf, 0, &val);
+ if (ret)
+ return ret;
if (val) {
ret = fpga_enable_power_supplies(priv);
@@ -859,8 +862,9 @@ static ssize_t program_store(struct device *dev, struct device_attribute *attr,
unsigned long val;
int ret;
- if (strict_strtoul(buf, 0, &val))
- return -EINVAL;
+ ret = kstrtoul(buf, 0, &val);
+ if (ret)
+ return ret;
/* We can't have an image writer and be programming simultaneously */
if (mutex_lock_interruptible(&priv->lock))
@@ -919,7 +923,7 @@ static bool dma_filter(struct dma_chan *chan, void *data)
static int fpga_of_remove(struct platform_device *op)
{
- struct fpga_dev *priv = dev_get_drvdata(&op->dev);
+ struct fpga_dev *priv = platform_get_drvdata(op);
struct device *this_device = priv->miscdev.this_device;
sysfs_remove_group(&this_device->kobj, &fpga_attr_group);
@@ -969,7 +973,7 @@ static int fpga_of_probe(struct platform_device *op)
kref_init(&priv->ref);
- dev_set_drvdata(&op->dev, priv);
+ platform_set_drvdata(op, priv);
priv->dev = &op->dev;
mutex_init(&priv->lock);
init_completion(&priv->completion);
diff --git a/drivers/misc/carma/carma-fpga.c b/drivers/misc/carma/carma-fpga.c
index 8835eabb3b8..14d90eae605 100644
--- a/drivers/misc/carma/carma-fpga.c
+++ b/drivers/misc/carma/carma-fpga.c
@@ -88,6 +88,8 @@
* interrupt source to the GPIO pin. Tada, we hid the interrupt. :)
*/
+#include <linux/of_address.h>
+#include <linux/of_irq.h>
#include <linux/of_platform.h>
#include <linux/dma-mapping.h>
#include <linux/miscdevice.h>
@@ -99,7 +101,6 @@
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/poll.h>
-#include <linux/init.h>
#include <linux/slab.h>
#include <linux/kref.h>
#include <linux/io.h>
@@ -631,6 +632,7 @@ static int data_submit_dma(struct fpga_device *priv, struct data_buf *buf)
struct dma_async_tx_descriptor *tx;
dma_cookie_t cookie;
dma_addr_t dst, src;
+ unsigned long dma_flags = 0;
dst_sg = buf->vb.sglist;
dst_nents = buf->vb.sglen;
@@ -666,7 +668,7 @@ static int data_submit_dma(struct fpga_device *priv, struct data_buf *buf)
src = SYS_FPGA_BLOCK;
tx = chan->device->device_prep_dma_memcpy(chan, dst, src,
REG_BLOCK_SIZE,
- 0);
+ dma_flags);
if (!tx) {
dev_err(priv->dev, "unable to prep SYS-FPGA DMA\n");
return -ENOMEM;
@@ -749,7 +751,7 @@ static irqreturn_t data_irq(int irq, void *dev_id)
submitted = true;
/* Start the DMA Engine */
- dma_async_memcpy_issue_pending(priv->chan);
+ dma_async_issue_pending(priv->chan);
out:
/* If no DMA was submitted, re-enable interrupts */
@@ -1000,10 +1002,10 @@ static ssize_t data_en_set(struct device *dev, struct device_attribute *attr,
unsigned long enable;
int ret;
- ret = strict_strtoul(buf, 0, &enable);
+ ret = kstrtoul(buf, 0, &enable);
if (ret) {
dev_err(priv->dev, "unable to parse enable input\n");
- return -EINVAL;
+ return ret;
}
/* protect against concurrent enable/disable */
@@ -1294,7 +1296,7 @@ static int data_of_probe(struct platform_device *op)
goto out_return;
}
- dev_set_drvdata(&op->dev, priv);
+ platform_set_drvdata(op, priv);
priv->dev = &op->dev;
kref_init(&priv->ref);
mutex_init(&priv->mutex);
@@ -1398,7 +1400,7 @@ out_return:
static int data_of_remove(struct platform_device *op)
{
- struct fpga_device *priv = dev_get_drvdata(&op->dev);
+ struct fpga_device *priv = platform_get_drvdata(op);
struct device *this_device = priv->miscdev.this_device;
/* remove all sysfs files, now the device cannot be re-enabled */