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-rw-r--r--drivers/staging/vme/devices/vme_pio2_cntr.c2
-rw-r--r--drivers/staging/vme/devices/vme_pio2_core.c22
-rw-r--r--drivers/staging/vme/devices/vme_pio2_gpio.c32
-rw-r--r--drivers/staging/vme/devices/vme_user.c22
-rw-r--r--drivers/staging/vme/devices/vme_user.h2
5 files changed, 38 insertions, 42 deletions
diff --git a/drivers/staging/vme/devices/vme_pio2_cntr.c b/drivers/staging/vme/devices/vme_pio2_cntr.c
index 6335471faa36..486c30c4956f 100644
--- a/drivers/staging/vme/devices/vme_pio2_cntr.c
+++ b/drivers/staging/vme/devices/vme_pio2_cntr.c
@@ -61,7 +61,7 @@ int pio2_cntr_reset(struct pio2_card *card)
/* Ensure all counter interrupts are cleared */
do {
retval = vme_master_read(card->window, &reg, 1,
- PIO2_REGS_INT_STAT_CNTR);
+ PIO2_REGS_INT_STAT_CNTR);
if (retval < 0)
return retval;
} while (reg != 0);
diff --git a/drivers/staging/vme/devices/vme_pio2_core.c b/drivers/staging/vme/devices/vme_pio2_core.c
index 35c6ce5047de..4f3cdbcedb3e 100644
--- a/drivers/staging/vme/devices/vme_pio2_core.c
+++ b/drivers/staging/vme/devices/vme_pio2_core.c
@@ -90,7 +90,7 @@ static void pio2_int(int level, int vector, void *ptr)
case 4:
/* Channels 0 to 7 */
retval = vme_master_read(card->window, &reg, 1,
- PIO2_REGS_INT_STAT[vec - 1]);
+ PIO2_REGS_INT_STAT[vec - 1]);
if (retval < 0) {
dev_err(&card->vdev->dev,
"Unable to read IRQ status register\n");
@@ -100,8 +100,8 @@ static void pio2_int(int level, int vector, void *ptr)
channel = ((vec - 1) * 8) + i;
if (reg & PIO2_CHANNEL_BIT[channel])
dev_info(&card->vdev->dev,
- "Interrupt on I/O channel %d\n",
- channel);
+ "Interrupt on I/O channel %d\n",
+ channel);
}
break;
case 5:
@@ -215,7 +215,7 @@ static int pio2_probe(struct vme_dev *vdev)
u8 reg;
int vec;
- card = kzalloc(sizeof(struct pio2_card), GFP_KERNEL);
+ card = kzalloc(sizeof(*card), GFP_KERNEL);
if (!card) {
retval = -ENOMEM;
goto err_struct;
@@ -230,7 +230,7 @@ static int pio2_probe(struct vme_dev *vdev)
card->vdev = vdev;
for (i = 0; i < PIO2_VARIANT_LENGTH; i++) {
- if (isdigit(card->variant[i]) == 0) {
+ if (!isdigit(card->variant[i])) {
dev_err(&card->vdev->dev, "Variant invalid\n");
retval = -EINVAL;
goto err_variant;
@@ -289,7 +289,7 @@ static int pio2_probe(struct vme_dev *vdev)
}
retval = vme_master_set(card->window, 1, card->base, 0x10000, VME_A24,
- (VME_SCT | VME_USER | VME_DATA), VME_D16);
+ VME_SCT | VME_USER | VME_DATA, VME_D16);
if (retval) {
dev_err(&card->vdev->dev,
"Unable to configure VME master resource\n");
@@ -335,7 +335,7 @@ static int pio2_probe(struct vme_dev *vdev)
/* Set VME vector */
retval = vme_master_write(card->window, &card->irq_vector, 1,
- PIO2_REGS_VME_VECTOR);
+ PIO2_REGS_VME_VECTOR);
if (retval < 0)
return retval;
@@ -343,7 +343,7 @@ static int pio2_probe(struct vme_dev *vdev)
vec = card->irq_vector | PIO2_VME_VECTOR_SPUR;
retval = vme_irq_request(vdev, card->irq_level, vec,
- &pio2_int, (void *)card);
+ &pio2_int, card);
if (retval < 0) {
dev_err(&card->vdev->dev,
"Unable to attach VME interrupt vector0x%x, level 0x%x\n",
@@ -356,7 +356,7 @@ static int pio2_probe(struct vme_dev *vdev)
vec = card->irq_vector | PIO2_VECTOR_BANK[i];
retval = vme_irq_request(vdev, card->irq_level, vec,
- &pio2_int, (void *)card);
+ &pio2_int, card);
if (retval < 0) {
dev_err(&card->vdev->dev,
"Unable to attach VME interrupt vector0x%x, level 0x%x\n",
@@ -370,7 +370,7 @@ static int pio2_probe(struct vme_dev *vdev)
vec = card->irq_vector | PIO2_VECTOR_CNTR[i];
retval = vme_irq_request(vdev, card->irq_level, vec,
- &pio2_int, (void *)card);
+ &pio2_int, card);
if (retval < 0) {
dev_err(&card->vdev->dev,
"Unable to attach VME interrupt vector0x%x, level 0x%x\n",
@@ -397,7 +397,7 @@ static int pio2_probe(struct vme_dev *vdev)
dev_set_drvdata(&card->vdev->dev, card);
dev_info(&card->vdev->dev,
- "PIO2 (variant %s) configured at 0x%lx\n", card->variant,
+ "PIO2 (variant %s) configured at 0x%lx\n", card->variant,
card->base);
return 0;
diff --git a/drivers/staging/vme/devices/vme_pio2_gpio.c b/drivers/staging/vme/devices/vme_pio2_gpio.c
index 77901b345a71..df992c3cb5ce 100644
--- a/drivers/staging/vme/devices/vme_pio2_gpio.c
+++ b/drivers/staging/vme/devices/vme_pio2_gpio.c
@@ -37,14 +37,13 @@ static int pio2_gpio_get(struct gpio_chip *chip, unsigned int offset)
struct pio2_card *card = gpio_to_pio2_card(chip);
if ((card->bank[PIO2_CHANNEL_BANK[offset]].config == OUTPUT) |
- (card->bank[PIO2_CHANNEL_BANK[offset]].config == NOFIT)) {
-
+ (card->bank[PIO2_CHANNEL_BANK[offset]].config == NOFIT)) {
dev_err(&card->vdev->dev, "Channel not available as input\n");
return 0;
}
retval = vme_master_read(card->window, &reg, 1,
- PIO2_REGS_DATA[PIO2_CHANNEL_BANK[offset]]);
+ PIO2_REGS_DATA[PIO2_CHANNEL_BANK[offset]]);
if (retval < 0) {
dev_err(&card->vdev->dev, "Unable to read from GPIO\n");
return 0;
@@ -67,16 +66,15 @@ static int pio2_gpio_get(struct gpio_chip *chip, unsigned int offset)
return 0;
}
-static void pio2_gpio_set(struct gpio_chip *chip, unsigned int offset,
- int value)
+static void pio2_gpio_set(struct gpio_chip *chip,
+ unsigned int offset, int value)
{
u8 reg;
int retval;
struct pio2_card *card = gpio_to_pio2_card(chip);
if ((card->bank[PIO2_CHANNEL_BANK[offset]].config == INPUT) |
- (card->bank[PIO2_CHANNEL_BANK[offset]].config == NOFIT)) {
-
+ (card->bank[PIO2_CHANNEL_BANK[offset]].config == NOFIT)) {
dev_err(&card->vdev->dev, "Channel not available as output\n");
return;
}
@@ -89,7 +87,7 @@ static void pio2_gpio_set(struct gpio_chip *chip, unsigned int offset,
~PIO2_CHANNEL_BIT[offset];
retval = vme_master_write(card->window, &reg, 1,
- PIO2_REGS_DATA[PIO2_CHANNEL_BANK[offset]]);
+ PIO2_REGS_DATA[PIO2_CHANNEL_BANK[offset]]);
if (retval < 0) {
dev_err(&card->vdev->dev, "Unable to write to GPIO\n");
return;
@@ -105,7 +103,7 @@ static int pio2_gpio_dir_in(struct gpio_chip *chip, unsigned offset)
struct pio2_card *card = gpio_to_pio2_card(chip);
if ((card->bank[PIO2_CHANNEL_BANK[offset]].config == OUTPUT) |
- (card->bank[PIO2_CHANNEL_BANK[offset]].config == NOFIT)) {
+ (card->bank[PIO2_CHANNEL_BANK[offset]].config == NOFIT)) {
dev_err(&card->vdev->dev,
"Channel directionality not configurable at runtime\n");
@@ -124,7 +122,7 @@ static int pio2_gpio_dir_out(struct gpio_chip *chip, unsigned offset, int value)
struct pio2_card *card = gpio_to_pio2_card(chip);
if ((card->bank[PIO2_CHANNEL_BANK[offset]].config == INPUT) |
- (card->bank[PIO2_CHANNEL_BANK[offset]].config == NOFIT)) {
+ (card->bank[PIO2_CHANNEL_BANK[offset]].config == NOFIT)) {
dev_err(&card->vdev->dev,
"Channel directionality not configurable at runtime\n");
@@ -150,7 +148,7 @@ int pio2_gpio_reset(struct pio2_card *card)
/* Zero output registers */
for (i = 0; i < 4; i++) {
retval = vme_master_write(card->window, &data, 1,
- PIO2_REGS_DATA[i]);
+ PIO2_REGS_DATA[i]);
if (retval < 0)
return retval;
card->bank[i].value = 0;
@@ -159,12 +157,12 @@ int pio2_gpio_reset(struct pio2_card *card)
/* Set input interrupt masks */
for (i = 0; i < 4; i++) {
retval = vme_master_write(card->window, &data, 1,
- PIO2_REGS_INT_MASK[i * 2]);
+ PIO2_REGS_INT_MASK[i * 2]);
if (retval < 0)
return retval;
retval = vme_master_write(card->window, &data, 1,
- PIO2_REGS_INT_MASK[(i * 2) + 1]);
+ PIO2_REGS_INT_MASK[(i * 2) + 1]);
if (retval < 0)
return retval;
@@ -176,7 +174,7 @@ int pio2_gpio_reset(struct pio2_card *card)
for (i = 0; i < 4; i++) {
do {
retval = vme_master_read(card->window, &data, 1,
- PIO2_REGS_INT_STAT[i]);
+ PIO2_REGS_INT_STAT[i]);
if (retval < 0)
return retval;
} while (data != 0);
@@ -192,7 +190,7 @@ int pio2_gpio_init(struct pio2_card *card)
label = kasprintf(GFP_KERNEL,
"%s@%s", driver_name, dev_name(&card->vdev->dev));
- if (label == NULL)
+ if (!label)
return -ENOMEM;
card->gc.label = label;
@@ -207,7 +205,7 @@ int pio2_gpio_init(struct pio2_card *card)
card->gc.set = pio2_gpio_set;
/* This function adds a memory mapped GPIO chip */
- retval = gpiochip_add(&(card->gc));
+ retval = gpiochip_add(&card->gc);
if (retval) {
dev_err(&card->vdev->dev, "Unable to register GPIO\n");
kfree(card->gc.label);
@@ -220,7 +218,7 @@ void pio2_gpio_exit(struct pio2_card *card)
{
const char *label = card->gc.label;
- gpiochip_remove(&(card->gc));
+ gpiochip_remove(&card->gc);
kfree(label);
}
diff --git a/drivers/staging/vme/devices/vme_user.c b/drivers/staging/vme/devices/vme_user.c
index 8e61a3b3e7e4..b95883bc68fe 100644
--- a/drivers/staging/vme/devices/vme_user.c
+++ b/drivers/staging/vme/devices/vme_user.c
@@ -308,8 +308,8 @@ static int vme_user_ioctl(struct inode *inode, struct file *file,
switch (cmd) {
case VME_IRQ_GEN:
copied = copy_from_user(&irq_req, argp,
- sizeof(struct vme_irq_id));
- if (copied != 0) {
+ sizeof(irq_req));
+ if (copied) {
pr_warn("Partial copy from userspace\n");
return -EFAULT;
}
@@ -322,7 +322,7 @@ static int vme_user_ioctl(struct inode *inode, struct file *file,
case MASTER_MINOR:
switch (cmd) {
case VME_GET_MASTER:
- memset(&master, 0, sizeof(struct vme_master));
+ memset(&master, 0, sizeof(master));
/* XXX We do not want to push aspace, cycle and width
* to userspace as they are
@@ -334,8 +334,8 @@ static int vme_user_ioctl(struct inode *inode, struct file *file,
&master.cycle, &master.dwidth);
copied = copy_to_user(argp, &master,
- sizeof(struct vme_master));
- if (copied != 0) {
+ sizeof(master));
+ if (copied) {
pr_warn("Partial copy to userspace\n");
return -EFAULT;
}
@@ -350,7 +350,7 @@ static int vme_user_ioctl(struct inode *inode, struct file *file,
}
copied = copy_from_user(&master, argp, sizeof(master));
- if (copied != 0) {
+ if (copied) {
pr_warn("Partial copy from userspace\n");
return -EFAULT;
}
@@ -368,7 +368,7 @@ static int vme_user_ioctl(struct inode *inode, struct file *file,
case SLAVE_MINOR:
switch (cmd) {
case VME_GET_SLAVE:
- memset(&slave, 0, sizeof(struct vme_slave));
+ memset(&slave, 0, sizeof(slave));
/* XXX We do not want to push aspace, cycle and width
* to userspace as they are
@@ -379,8 +379,8 @@ static int vme_user_ioctl(struct inode *inode, struct file *file,
&slave.aspace, &slave.cycle);
copied = copy_to_user(argp, &slave,
- sizeof(struct vme_slave));
- if (copied != 0) {
+ sizeof(slave));
+ if (copied) {
pr_warn("Partial copy to userspace\n");
return -EFAULT;
}
@@ -390,7 +390,7 @@ static int vme_user_ioctl(struct inode *inode, struct file *file,
case VME_SET_SLAVE:
copied = copy_from_user(&slave, argp, sizeof(slave));
- if (copied != 0) {
+ if (copied) {
pr_warn("Partial copy from userspace\n");
return -EFAULT;
}
@@ -757,7 +757,7 @@ static int __init vme_user_init(void)
* we just change the code in vme_user_match().
*/
retval = vme_register_driver(&vme_user_driver, VME_MAX_SLOTS);
- if (retval != 0)
+ if (retval)
goto err_reg;
return retval;
diff --git a/drivers/staging/vme/devices/vme_user.h b/drivers/staging/vme/devices/vme_user.h
index b8cc7bc78a73..a6cb75686fa4 100644
--- a/drivers/staging/vme/devices/vme_user.h
+++ b/drivers/staging/vme/devices/vme_user.h
@@ -20,7 +20,6 @@ struct vme_master {
#endif
} __packed;
-
/*
* IOCTL Commands and structures
*/
@@ -28,7 +27,6 @@ struct vme_master {
/* Magic number for use in ioctls */
#define VME_IOC_MAGIC 0xAE
-
/* VMEbus Slave Window Configuration Structure */
struct vme_slave {
__u32 enable; /* State of Window */
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.