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path: root/drivers/sbus/char
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Diffstat (limited to 'drivers/sbus/char')
-rw-r--r--drivers/sbus/char/jsflash.c19
-rw-r--r--drivers/sbus/char/uctrl.c10
-rw-r--r--drivers/sbus/char/vfc.h2
-rw-r--r--drivers/sbus/char/vfc_dev.c6
4 files changed, 19 insertions, 18 deletions
diff --git a/drivers/sbus/char/jsflash.c b/drivers/sbus/char/jsflash.c
index c12c5046e2f..14631ac11bc 100644
--- a/drivers/sbus/char/jsflash.c
+++ b/drivers/sbus/char/jsflash.c
@@ -249,11 +249,11 @@ static loff_t jsf_lseek(struct file * file, loff_t offset, int orig)
/*
* OS SIMM Cannot be read in other size but a 32bits word.
*/
-static ssize_t jsf_read(struct file * file, char * buf,
+static ssize_t jsf_read(struct file * file, char __user * buf,
size_t togo, loff_t *ppos)
{
unsigned long p = *ppos;
- char *tmp = buf;
+ char __user *tmp = buf;
union byte4 {
char s[4];
@@ -305,7 +305,7 @@ static ssize_t jsf_read(struct file * file, char * buf,
return tmp-buf;
}
-static ssize_t jsf_write(struct file * file, const char * buf,
+static ssize_t jsf_write(struct file * file, const char __user * buf,
size_t count, loff_t *ppos)
{
return -ENOSPC;
@@ -356,10 +356,10 @@ static int jsf_ioctl_erase(unsigned long arg)
* Program a block of flash.
* Very simple because we can do it byte by byte anyway.
*/
-static int jsf_ioctl_program(unsigned long arg)
+static int jsf_ioctl_program(void __user *arg)
{
struct jsflash_program_arg abuf;
- char *uptr;
+ char __user *uptr;
unsigned long p;
unsigned int togo;
union {
@@ -367,13 +367,13 @@ static int jsf_ioctl_program(unsigned long arg)
char s[4];
} b;
- if (copy_from_user(&abuf, (char *)arg, JSFPRGSZ))
+ if (copy_from_user(&abuf, arg, JSFPRGSZ))
return -EFAULT;
p = abuf.off;
togo = abuf.size;
if ((togo & 3) || (p & 3)) return -EINVAL;
- uptr = (char *) (unsigned long) abuf.data;
+ uptr = (char __user *) (unsigned long) abuf.data;
while (togo != 0) {
togo -= 4;
if (copy_from_user(&b.s[0], uptr, 4))
@@ -390,19 +390,20 @@ static int jsf_ioctl(struct inode *inode, struct file *f, unsigned int cmd,
unsigned long arg)
{
int error = -ENOTTY;
+ void __user *argp = (void __user *)arg;
if (!capable(CAP_SYS_ADMIN))
return -EPERM;
switch (cmd) {
case JSFLASH_IDENT:
- if (copy_to_user((void *)arg, &jsf0.id, JSFIDSZ))
+ if (copy_to_user(argp, &jsf0.id, JSFIDSZ))
return -EFAULT;
break;
case JSFLASH_ERASE:
error = jsf_ioctl_erase(arg);
break;
case JSFLASH_PROGRAM:
- error = jsf_ioctl_program(arg);
+ error = jsf_ioctl_program(argp);
break;
}
diff --git a/drivers/sbus/char/uctrl.c b/drivers/sbus/char/uctrl.c
index 858cc683f85..e2d9a7c8542 100644
--- a/drivers/sbus/char/uctrl.c
+++ b/drivers/sbus/char/uctrl.c
@@ -309,7 +309,7 @@ static void uctrl_do_txn(struct uctrl_txn *txn)
}
}
-void uctrl_get_event_status()
+void uctrl_get_event_status(void)
{
struct uctrl_driver *driver = &drv;
struct uctrl_txn txn;
@@ -318,7 +318,7 @@ void uctrl_get_event_status()
txn.opcode = READ_EVENT_STATUS;
txn.inbits = 0;
txn.outbits = 2;
- txn.inbuf = 0;
+ txn.inbuf = NULL;
txn.outbuf = outbits;
uctrl_do_txn(&txn);
@@ -329,7 +329,7 @@ void uctrl_get_event_status()
dprintk(("ev is %x\n", driver->status.event_status));
}
-void uctrl_get_external_status()
+void uctrl_get_external_status(void)
{
struct uctrl_driver *driver = &drv;
struct uctrl_txn txn;
@@ -339,7 +339,7 @@ void uctrl_get_external_status()
txn.opcode = READ_EXTERNAL_STATUS;
txn.inbits = 0;
txn.outbits = 2;
- txn.inbuf = 0;
+ txn.inbuf = NULL;
txn.outbuf = outbits;
uctrl_do_txn(&txn);
@@ -414,7 +414,7 @@ static void __exit ts102_uctrl_cleanup(void)
if (driver->irq)
free_irq(driver->irq, driver);
if (driver->regs)
- driver->regs = 0;
+ driver->regs = NULL;
}
module_init(ts102_uctrl_init);
diff --git a/drivers/sbus/char/vfc.h b/drivers/sbus/char/vfc.h
index a7782e7da42..8045cd5e7cb 100644
--- a/drivers/sbus/char/vfc.h
+++ b/drivers/sbus/char/vfc.h
@@ -125,7 +125,7 @@ struct vfc_regs {
struct vfc_dev {
- volatile struct vfc_regs *regs;
+ volatile struct vfc_regs __iomem *regs;
struct vfc_regs *phys_regs;
unsigned int control_reg;
struct semaphore device_lock_sem;
diff --git a/drivers/sbus/char/vfc_dev.c b/drivers/sbus/char/vfc_dev.c
index 7a103698fa3..dfdd6be551f 100644
--- a/drivers/sbus/char/vfc_dev.c
+++ b/drivers/sbus/char/vfc_dev.c
@@ -149,7 +149,7 @@ int init_vfc_device(struct sbus_dev *sdev,struct vfc_dev *dev, int instance)
}
printk("Initializing vfc%d\n",instance);
dev->regs = NULL;
- dev->regs = (volatile struct vfc_regs *)
+ dev->regs = (volatile struct vfc_regs __iomem *)
sbus_ioremap(&sdev->resource[0], 0,
sizeof(struct vfc_regs), vfcstr);
dev->which_io = sdev->reg_addrs[0].which_io;
@@ -319,7 +319,7 @@ int vfc_capture_poll(struct vfc_dev *dev)
int timeout = 1000;
while (!timeout--) {
- if (dev->regs->control & VFC_STATUS_CAPTURE)
+ if (sbus_readl(&dev->regs->control) & VFC_STATUS_CAPTURE)
break;
vfc_i2c_delay_no_busy(dev, 100);
}
@@ -718,7 +718,7 @@ static void deinit_vfc_device(struct vfc_dev *dev)
if(dev == NULL)
return;
devfs_remove("vfc/%d", dev->instance);
- sbus_iounmap((unsigned long)dev->regs, sizeof(struct vfc_regs));
+ sbus_iounmap(dev->regs, sizeof(struct vfc_regs));
kfree(dev);
}