summaryrefslogtreecommitdiff
path: root/drivers/media
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/media')
-rw-r--r--drivers/media/i2c/Kconfig4
-rw-r--r--drivers/media/platform/ti-vpe/cal.h2
-rw-r--r--drivers/media/rc/gpio-ir-tx.c16
-rw-r--r--drivers/media/rc/mceusb.c2
-rw-r--r--drivers/media/rc/rc-main.c44
-rw-r--r--drivers/media/test-drivers/vicodec/vicodec-core.c1
-rw-r--r--drivers/media/v4l2-core/v4l2-ioctl.c50
7 files changed, 65 insertions, 54 deletions
diff --git a/drivers/media/i2c/Kconfig b/drivers/media/i2c/Kconfig
index 48ae60a2c603..c7ba76fee599 100644
--- a/drivers/media/i2c/Kconfig
+++ b/drivers/media/i2c/Kconfig
@@ -467,7 +467,7 @@ config VIDEO_VPX3220
config VIDEO_MAX9286
tristate "Maxim MAX9286 GMSL deserializer support"
depends on I2C && I2C_MUX
- depends on OF
+ depends on OF_GPIO
select V4L2_FWNODE
select VIDEO_V4L2_SUBDEV_API
select MEDIA_CONTROLLER
@@ -741,7 +741,7 @@ config VIDEO_HI556
config VIDEO_IMX214
tristate "Sony IMX214 sensor support"
depends on GPIOLIB && I2C && VIDEO_V4L2
- depends on V4L2_FWNODE
+ select V4L2_FWNODE
select MEDIA_CONTROLLER
select VIDEO_V4L2_SUBDEV_API
select REGMAP_I2C
diff --git a/drivers/media/platform/ti-vpe/cal.h b/drivers/media/platform/ti-vpe/cal.h
index e496083715d2..4123405ee0cf 100644
--- a/drivers/media/platform/ti-vpe/cal.h
+++ b/drivers/media/platform/ti-vpe/cal.h
@@ -226,7 +226,7 @@ static inline void cal_write_field(struct cal_dev *cal, u32 offset, u32 value,
u32 val = cal_read(cal, offset);
val &= ~mask;
- val |= FIELD_PREP(mask, value);
+ val |= (value << __ffs(mask)) & mask;
cal_write(cal, offset, val);
}
diff --git a/drivers/media/rc/gpio-ir-tx.c b/drivers/media/rc/gpio-ir-tx.c
index f33b443bfa47..c6cd2e6d8e65 100644
--- a/drivers/media/rc/gpio-ir-tx.c
+++ b/drivers/media/rc/gpio-ir-tx.c
@@ -19,8 +19,6 @@ struct gpio_ir {
struct gpio_desc *gpio;
unsigned int carrier;
unsigned int duty_cycle;
- /* we need a spinlock to hold the cpu while transmitting */
- spinlock_t lock;
};
static const struct of_device_id gpio_ir_tx_of_match[] = {
@@ -53,12 +51,11 @@ static int gpio_ir_tx_set_carrier(struct rc_dev *dev, u32 carrier)
static void gpio_ir_tx_unmodulated(struct gpio_ir *gpio_ir, uint *txbuf,
uint count)
{
- unsigned long flags;
ktime_t edge;
s32 delta;
int i;
- spin_lock_irqsave(&gpio_ir->lock, flags);
+ local_irq_disable();
edge = ktime_get();
@@ -72,14 +69,11 @@ static void gpio_ir_tx_unmodulated(struct gpio_ir *gpio_ir, uint *txbuf,
}
gpiod_set_value(gpio_ir->gpio, 0);
-
- spin_unlock_irqrestore(&gpio_ir->lock, flags);
}
static void gpio_ir_tx_modulated(struct gpio_ir *gpio_ir, uint *txbuf,
uint count)
{
- unsigned long flags;
ktime_t edge;
/*
* delta should never exceed 0.5 seconds (IR_MAX_DURATION) and on
@@ -95,7 +89,7 @@ static void gpio_ir_tx_modulated(struct gpio_ir *gpio_ir, uint *txbuf,
space = DIV_ROUND_CLOSEST((100 - gpio_ir->duty_cycle) *
(NSEC_PER_SEC / 100), gpio_ir->carrier);
- spin_lock_irqsave(&gpio_ir->lock, flags);
+ local_irq_disable();
edge = ktime_get();
@@ -128,19 +122,20 @@ static void gpio_ir_tx_modulated(struct gpio_ir *gpio_ir, uint *txbuf,
edge = last;
}
}
-
- spin_unlock_irqrestore(&gpio_ir->lock, flags);
}
static int gpio_ir_tx(struct rc_dev *dev, unsigned int *txbuf,
unsigned int count)
{
struct gpio_ir *gpio_ir = dev->priv;
+ unsigned long flags;
+ local_irq_save(flags);
if (gpio_ir->carrier)
gpio_ir_tx_modulated(gpio_ir, txbuf, count);
else
gpio_ir_tx_unmodulated(gpio_ir, txbuf, count);
+ local_irq_restore(flags);
return count;
}
@@ -176,7 +171,6 @@ static int gpio_ir_tx_probe(struct platform_device *pdev)
gpio_ir->carrier = 38000;
gpio_ir->duty_cycle = 50;
- spin_lock_init(&gpio_ir->lock);
rc = devm_rc_register_device(&pdev->dev, rcdev);
if (rc < 0)
diff --git a/drivers/media/rc/mceusb.c b/drivers/media/rc/mceusb.c
index f9616158bcf4..98681ba10428 100644
--- a/drivers/media/rc/mceusb.c
+++ b/drivers/media/rc/mceusb.c
@@ -1726,7 +1726,7 @@ static int mceusb_dev_probe(struct usb_interface *intf,
goto mem_alloc_fail;
ir->pipe_in = pipe;
- ir->buf_in = usb_alloc_coherent(dev, maxp, GFP_ATOMIC, &ir->dma_in);
+ ir->buf_in = usb_alloc_coherent(dev, maxp, GFP_KERNEL, &ir->dma_in);
if (!ir->buf_in)
goto buf_in_alloc_fail;
diff --git a/drivers/media/rc/rc-main.c b/drivers/media/rc/rc-main.c
index 7b53066d9d07..dee8a9f3d80a 100644
--- a/drivers/media/rc/rc-main.c
+++ b/drivers/media/rc/rc-main.c
@@ -1292,6 +1292,10 @@ static ssize_t store_protocols(struct device *device,
}
mutex_lock(&dev->lock);
+ if (!dev->registered) {
+ mutex_unlock(&dev->lock);
+ return -ENODEV;
+ }
old_protocols = *current_protocols;
new_protocols = old_protocols;
@@ -1430,6 +1434,10 @@ static ssize_t store_filter(struct device *device,
return -EINVAL;
mutex_lock(&dev->lock);
+ if (!dev->registered) {
+ mutex_unlock(&dev->lock);
+ return -ENODEV;
+ }
new_filter = *filter;
if (fattr->mask)
@@ -1544,6 +1552,10 @@ static ssize_t store_wakeup_protocols(struct device *device,
int i;
mutex_lock(&dev->lock);
+ if (!dev->registered) {
+ mutex_unlock(&dev->lock);
+ return -ENODEV;
+ }
allowed = dev->allowed_wakeup_protocols;
@@ -1601,25 +1613,25 @@ static void rc_dev_release(struct device *device)
kfree(dev);
}
-#define ADD_HOTPLUG_VAR(fmt, val...) \
- do { \
- int err = add_uevent_var(env, fmt, val); \
- if (err) \
- return err; \
- } while (0)
-
static int rc_dev_uevent(struct device *device, struct kobj_uevent_env *env)
{
struct rc_dev *dev = to_rc_dev(device);
+ int ret = 0;
- if (dev->rc_map.name)
- ADD_HOTPLUG_VAR("NAME=%s", dev->rc_map.name);
- if (dev->driver_name)
- ADD_HOTPLUG_VAR("DRV_NAME=%s", dev->driver_name);
- if (dev->device_name)
- ADD_HOTPLUG_VAR("DEV_NAME=%s", dev->device_name);
+ mutex_lock(&dev->lock);
- return 0;
+ if (!dev->registered)
+ ret = -ENODEV;
+ if (ret == 0 && dev->rc_map.name)
+ ret = add_uevent_var(env, "NAME=%s", dev->rc_map.name);
+ if (ret == 0 && dev->driver_name)
+ ret = add_uevent_var(env, "DRV_NAME=%s", dev->driver_name);
+ if (ret == 0 && dev->device_name)
+ ret = add_uevent_var(env, "DEV_NAME=%s", dev->device_name);
+
+ mutex_unlock(&dev->lock);
+
+ return ret;
}
/*
@@ -2011,14 +2023,14 @@ void rc_unregister_device(struct rc_dev *dev)
del_timer_sync(&dev->timer_keyup);
del_timer_sync(&dev->timer_repeat);
- rc_free_rx_device(dev);
-
mutex_lock(&dev->lock);
if (dev->users && dev->close)
dev->close(dev);
dev->registered = false;
mutex_unlock(&dev->lock);
+ rc_free_rx_device(dev);
+
/*
* lirc device should be freed with dev->registered = false, so
* that userspace polling will get notified.
diff --git a/drivers/media/test-drivers/vicodec/vicodec-core.c b/drivers/media/test-drivers/vicodec/vicodec-core.c
index 8941d73f6611..71928e30dae8 100644
--- a/drivers/media/test-drivers/vicodec/vicodec-core.c
+++ b/drivers/media/test-drivers/vicodec/vicodec-core.c
@@ -1994,6 +1994,7 @@ static int vicodec_request_validate(struct media_request *req)
}
ctrl = v4l2_ctrl_request_hdl_ctrl_find(hdl,
vicodec_ctrl_stateless_state.id);
+ v4l2_ctrl_request_hdl_put(hdl);
if (!ctrl) {
v4l2_info(&ctx->dev->v4l2_dev,
"Missing required codec control\n");
diff --git a/drivers/media/v4l2-core/v4l2-ioctl.c b/drivers/media/v4l2-core/v4l2-ioctl.c
index 2a22e13a6303..f74b42280892 100644
--- a/drivers/media/v4l2-core/v4l2-ioctl.c
+++ b/drivers/media/v4l2-core/v4l2-ioctl.c
@@ -3187,14 +3187,16 @@ static int video_put_user(void __user *arg, void *parg, unsigned int cmd)
#ifdef CONFIG_COMPAT_32BIT_TIME
case VIDIOC_DQEVENT_TIME32: {
struct v4l2_event *ev = parg;
- struct v4l2_event_time32 ev32 = {
- .type = ev->type,
- .pending = ev->pending,
- .sequence = ev->sequence,
- .timestamp.tv_sec = ev->timestamp.tv_sec,
- .timestamp.tv_nsec = ev->timestamp.tv_nsec,
- .id = ev->id,
- };
+ struct v4l2_event_time32 ev32;
+
+ memset(&ev32, 0, sizeof(ev32));
+
+ ev32.type = ev->type;
+ ev32.pending = ev->pending;
+ ev32.sequence = ev->sequence;
+ ev32.timestamp.tv_sec = ev->timestamp.tv_sec;
+ ev32.timestamp.tv_nsec = ev->timestamp.tv_nsec;
+ ev32.id = ev->id;
memcpy(&ev32.u, &ev->u, sizeof(ev->u));
memcpy(&ev32.reserved, &ev->reserved, sizeof(ev->reserved));
@@ -3208,21 +3210,23 @@ static int video_put_user(void __user *arg, void *parg, unsigned int cmd)
case VIDIOC_DQBUF_TIME32:
case VIDIOC_PREPARE_BUF_TIME32: {
struct v4l2_buffer *vb = parg;
- struct v4l2_buffer_time32 vb32 = {
- .index = vb->index,
- .type = vb->type,
- .bytesused = vb->bytesused,
- .flags = vb->flags,
- .field = vb->field,
- .timestamp.tv_sec = vb->timestamp.tv_sec,
- .timestamp.tv_usec = vb->timestamp.tv_usec,
- .timecode = vb->timecode,
- .sequence = vb->sequence,
- .memory = vb->memory,
- .m.userptr = vb->m.userptr,
- .length = vb->length,
- .request_fd = vb->request_fd,
- };
+ struct v4l2_buffer_time32 vb32;
+
+ memset(&vb32, 0, sizeof(vb32));
+
+ vb32.index = vb->index;
+ vb32.type = vb->type;
+ vb32.bytesused = vb->bytesused;
+ vb32.flags = vb->flags;
+ vb32.field = vb->field;
+ vb32.timestamp.tv_sec = vb->timestamp.tv_sec;
+ vb32.timestamp.tv_usec = vb->timestamp.tv_usec;
+ vb32.timecode = vb->timecode;
+ vb32.sequence = vb->sequence;
+ vb32.memory = vb->memory;
+ vb32.m.userptr = vb->m.userptr;
+ vb32.length = vb->length;
+ vb32.request_fd = vb->request_fd;
if (copy_to_user(arg, &vb32, sizeof(vb32)))
return -EFAULT;
generated by cgit v1.2.3-58-ga151 (git 2.39.0) at 2024-11-28 08:52:04 +0000