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path: root/drivers/staging/comedi/drivers/dt9812.c
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Diffstat (limited to 'drivers/staging/comedi/drivers/dt9812.c')
-rw-r--r--drivers/staging/comedi/drivers/dt9812.c27
1 files changed, 13 insertions, 14 deletions
diff --git a/drivers/staging/comedi/drivers/dt9812.c b/drivers/staging/comedi/drivers/dt9812.c
index 6c60949d9193..b5e6f33dc217 100644
--- a/drivers/staging/comedi/drivers/dt9812.c
+++ b/drivers/staging/comedi/drivers/dt9812.c
@@ -39,10 +39,9 @@ for my needs.
*/
#include <linux/kernel.h>
+#include <linux/module.h>
#include <linux/errno.h>
#include <linux/init.h>
-#include <linux/slab.h>
-#include <linux/module.h>
#include <linux/uaccess.h>
#include <linux/usb.h>
@@ -188,8 +187,8 @@ enum {
};
struct dt9812_flash_data {
- u16 numbytes;
- u16 address;
+ __le16 numbytes;
+ __le16 address;
};
#define DT9812_MAX_NUM_MULTI_BYTE_RDS \
@@ -230,7 +229,7 @@ struct dt9812_rmw_multi {
};
struct dt9812_usb_cmd {
- u32 cmd;
+ __le32 cmd;
union {
struct dt9812_flash_data flash_data_info;
struct dt9812_read_multi read_multi_info;
@@ -707,8 +706,9 @@ static int dt9812_reset_device(struct comedi_device *dev)
u32 serial;
u16 vendor;
u16 product;
- u16 tmp16;
u8 tmp8;
+ __le16 tmp16;
+ __le32 tmp32;
int ret;
int i;
@@ -731,19 +731,19 @@ static int dt9812_reset_device(struct comedi_device *dev)
}
}
- ret = dt9812_read_info(dev, 1, &vendor, sizeof(vendor));
+ ret = dt9812_read_info(dev, 1, &tmp16, sizeof(tmp16));
if (ret) {
dev_err(dev->class_dev, "failed to read vendor id\n");
return ret;
}
- vendor = le16_to_cpu(vendor);
+ vendor = le16_to_cpu(tmp16);
- ret = dt9812_read_info(dev, 3, &product, sizeof(product));
+ ret = dt9812_read_info(dev, 3, &tmp16, sizeof(tmp16));
if (ret) {
dev_err(dev->class_dev, "failed to read product id\n");
return ret;
}
- product = le16_to_cpu(product);
+ product = le16_to_cpu(tmp16);
ret = dt9812_read_info(dev, 5, &tmp16, sizeof(tmp16));
if (ret) {
@@ -752,12 +752,12 @@ static int dt9812_reset_device(struct comedi_device *dev)
}
devpriv->device = le16_to_cpu(tmp16);
- ret = dt9812_read_info(dev, 7, &serial, sizeof(serial));
+ ret = dt9812_read_info(dev, 7, &tmp32, sizeof(tmp32));
if (ret) {
dev_err(dev->class_dev, "failed to read serial number\n");
return ret;
}
- serial = le32_to_cpu(serial);
+ serial = le32_to_cpu(tmp32);
/* let the user know what node this device is now attached to */
dev_info(dev->class_dev, "USB DT9812 (%4.4x.%4.4x.%4.4x) #0x%8.8x\n",
@@ -781,10 +781,9 @@ static int dt9812_auto_attach(struct comedi_device *dev,
bool is_unipolar;
int ret;
- devpriv = kzalloc(sizeof(*devpriv), GFP_KERNEL);
+ devpriv = comedi_alloc_devpriv(dev, sizeof(*devpriv));
if (!devpriv)
return -ENOMEM;
- dev->private = devpriv;
sema_init(&devpriv->sem, 1);
usb_set_intfdata(intf, devpriv);