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Diffstat (limited to 'linux/drivers/media/video/cx18')
-rw-r--r--linux/drivers/media/video/cx18/cx18-driver.c13
-rw-r--r--linux/drivers/media/video/cx18/cx18-driver.h1
-rw-r--r--linux/drivers/media/video/cx18/cx18-io.c4
-rw-r--r--linux/drivers/media/video/cx18/cx18-io.h4
-rw-r--r--linux/drivers/media/video/cx18/cx18-irq.c6
-rw-r--r--linux/drivers/media/video/cx18/cx18-mailbox.c4
-rw-r--r--linux/drivers/media/video/cx18/cx18-streams.c36
7 files changed, 40 insertions, 28 deletions
diff --git a/linux/drivers/media/video/cx18/cx18-driver.c b/linux/drivers/media/video/cx18/cx18-driver.c
index 085121c2b..c95230999 100644
--- a/linux/drivers/media/video/cx18/cx18-driver.c
+++ b/linux/drivers/media/video/cx18/cx18-driver.c
@@ -613,6 +613,7 @@ static int __devinit cx18_probe(struct pci_dev *dev,
const struct pci_device_id *pci_id)
{
int retval = 0;
+ int i;
int vbi_buf_size;
u32 devtype;
struct cx18 *cx;
@@ -698,7 +699,8 @@ static int __devinit cx18_probe(struct pci_dev *dev,
/* active i2c */
CX18_DEBUG_INFO("activating i2c...\n");
- if (init_cx18_i2c(cx)) {
+ retval = init_cx18_i2c(cx);
+ if (retval) {
CX18_ERR("Could not initialize i2c\n");
goto free_map;
}
@@ -730,8 +732,6 @@ static int __devinit cx18_probe(struct pci_dev *dev,
cx->std = V4L2_STD_NTSC_M;
if (cx->options.tuner == -1) {
- int i;
-
for (i = 0; i < CX18_CARD_MAX_TUNERS; i++) {
if ((cx->std & cx->card->tuners[i].std) == 0)
continue;
@@ -836,8 +836,11 @@ err:
CX18_ERR("Error %d on initialization\n", retval);
cx18_log_statistics(cx);
- kfree(cx18_cards[cx18_cards_active]);
- cx18_cards[cx18_cards_active] = NULL;
+ i = cx->num;
+ spin_lock(&cx18_cards_lock);
+ kfree(cx18_cards[i]);
+ cx18_cards[i] = NULL;
+ spin_unlock(&cx18_cards_lock);
return retval;
}
diff --git a/linux/drivers/media/video/cx18/cx18-driver.h b/linux/drivers/media/video/cx18/cx18-driver.h
index fa8be0731..a4b1708fa 100644
--- a/linux/drivers/media/video/cx18/cx18-driver.h
+++ b/linux/drivers/media/video/cx18/cx18-driver.h
@@ -41,6 +41,7 @@
#include <linux/pagemap.h>
#include <linux/workqueue.h>
#include <linux/mutex.h>
+#include <asm/byteorder.h>
#include <linux/dvb/video.h>
#include <linux/dvb/audio.h>
diff --git a/linux/drivers/media/video/cx18/cx18-io.c b/linux/drivers/media/video/cx18/cx18-io.c
index 700ab9439..31be5e868 100644
--- a/linux/drivers/media/video/cx18/cx18-io.c
+++ b/linux/drivers/media/video/cx18/cx18-io.c
@@ -218,7 +218,7 @@ void cx18_memset_io(struct cx18 *cx, void __iomem *addr, int val, size_t count)
void cx18_sw1_irq_enable(struct cx18 *cx, u32 val)
{
u32 r;
- cx18_write_reg(cx, val, SW1_INT_STATUS);
+ cx18_write_reg_noretry(cx, val, SW1_INT_STATUS);
r = cx18_read_reg(cx, SW1_INT_ENABLE_PCI);
cx18_write_reg(cx, r | val, SW1_INT_ENABLE_PCI);
}
@@ -233,7 +233,7 @@ void cx18_sw1_irq_disable(struct cx18 *cx, u32 val)
void cx18_sw2_irq_enable(struct cx18 *cx, u32 val)
{
u32 r;
- cx18_write_reg(cx, val, SW2_INT_STATUS);
+ cx18_write_reg_noretry(cx, val, SW2_INT_STATUS);
r = cx18_read_reg(cx, SW2_INT_ENABLE_PCI);
cx18_write_reg(cx, r | val, SW2_INT_ENABLE_PCI);
}
diff --git a/linux/drivers/media/video/cx18/cx18-io.h b/linux/drivers/media/video/cx18/cx18-io.h
index 197d4fbd9..287a5e8bf 100644
--- a/linux/drivers/media/video/cx18/cx18-io.h
+++ b/linux/drivers/media/video/cx18/cx18-io.h
@@ -39,7 +39,7 @@ static inline void cx18_io_delay(struct cx18 *cx)
/* Statistics gathering */
static inline
-void cx18_log_write_retries(struct cx18 *cx, int i, const void *addr)
+void cx18_log_write_retries(struct cx18 *cx, int i, const void __iomem *addr)
{
if (i > CX18_MAX_MMIO_RETRIES)
i = CX18_MAX_MMIO_RETRIES;
@@ -48,7 +48,7 @@ void cx18_log_write_retries(struct cx18 *cx, int i, const void *addr)
}
static inline
-void cx18_log_read_retries(struct cx18 *cx, int i, const void *addr)
+void cx18_log_read_retries(struct cx18 *cx, int i, const void __iomem *addr)
{
if (i > CX18_MAX_MMIO_RETRIES)
i = CX18_MAX_MMIO_RETRIES;
diff --git a/linux/drivers/media/video/cx18/cx18-irq.c b/linux/drivers/media/video/cx18/cx18-irq.c
index 85a56974b..038f70323 100644
--- a/linux/drivers/media/video/cx18/cx18-irq.c
+++ b/linux/drivers/media/video/cx18/cx18-irq.c
@@ -153,9 +153,9 @@ irqreturn_t cx18_irq_handler(int irq, void *dev_id)
sw1_mask = cx18_read_reg(cx, SW1_INT_ENABLE_PCI) | IRQ_EPU_TO_HPU;
sw1 = cx18_read_reg(cx, SW1_INT_STATUS) & sw1_mask;
- cx18_write_reg(cx, sw2&sw2_mask, SW2_INT_STATUS);
- cx18_write_reg(cx, sw1&sw1_mask, SW1_INT_STATUS);
- cx18_write_reg(cx, hw2&hw2_mask, HW2_INT_CLR_STATUS);
+ cx18_write_reg_noretry(cx, sw2&sw2_mask, SW2_INT_STATUS);
+ cx18_write_reg_noretry(cx, sw1&sw1_mask, SW1_INT_STATUS);
+ cx18_write_reg_noretry(cx, hw2&hw2_mask, HW2_INT_CLR_STATUS);
if (sw1 || sw2 || hw2)
CX18_DEBUG_HI_IRQ("SW1: %x SW2: %x HW2: %x\n", sw1, sw2, hw2);
diff --git a/linux/drivers/media/video/cx18/cx18-mailbox.c b/linux/drivers/media/video/cx18/cx18-mailbox.c
index 9d18dd22d..87f7c8e2c 100644
--- a/linux/drivers/media/video/cx18/cx18-mailbox.c
+++ b/linux/drivers/media/video/cx18/cx18-mailbox.c
@@ -176,7 +176,7 @@ long cx18_mb_ack(struct cx18 *cx, const struct cx18_mailbox *mb)
cx18_setup_page(cx, SCB_OFFSET);
cx18_write_sync(cx, mb->request, &ack_mb->ack);
- cx18_write_reg(cx, ack_irq, SW2_INT_SET);
+ cx18_write_reg_noretry(cx, ack_irq, SW2_INT_SET);
return 0;
}
@@ -225,7 +225,7 @@ static int cx18_api_call(struct cx18 *cx, u32 cmd, int args, u32 data[])
}
if (info->flags & API_FAST)
timeout /= 2;
- cx18_write_reg(cx, irq, SW1_INT_SET);
+ cx18_write_reg_noretry(cx, irq, SW1_INT_SET);
while (!sig && cx18_readl(cx, &mb->ack) != cx18_readl(cx, &mb->request)
&& cnt < 660) {
diff --git a/linux/drivers/media/video/cx18/cx18-streams.c b/linux/drivers/media/video/cx18/cx18-streams.c
index f85f4a2cd..8ead4025e 100644
--- a/linux/drivers/media/video/cx18/cx18-streams.c
+++ b/linux/drivers/media/video/cx18/cx18-streams.c
@@ -200,16 +200,18 @@ static int cx18_prep_dev(struct cx18 *cx, int type)
/* Initialize v4l2 variables and register v4l2 devices */
int cx18_streams_setup(struct cx18 *cx)
{
- int type;
+ int type, ret;
/* Setup V4L2 Devices */
for (type = 0; type < CX18_MAX_STREAMS; type++) {
/* Prepare device */
- if (cx18_prep_dev(cx, type))
+ ret = cx18_prep_dev(cx, type);
+ if (ret < 0)
break;
/* Allocate Stream */
- if (cx18_stream_alloc(&cx->streams[type]))
+ ret = cx18_stream_alloc(&cx->streams[type]);
+ if (ret < 0)
break;
}
if (type == CX18_MAX_STREAMS)
@@ -217,14 +219,14 @@ int cx18_streams_setup(struct cx18 *cx)
/* One or more streams could not be initialized. Clean 'em all up. */
cx18_streams_cleanup(cx, 0);
- return -ENOMEM;
+ return ret;
}
static int cx18_reg_dev(struct cx18 *cx, int type)
{
struct cx18_stream *s = &cx->streams[type];
int vfl_type = cx18_stream_info[type].vfl_type;
- int num;
+ int num, ret;
/* TODO: Shouldn't this be a VFL_TYPE_TRANSPORT or something?
* We need a VFL_TYPE_TS defined.
@@ -233,9 +235,10 @@ static int cx18_reg_dev(struct cx18 *cx, int type)
/* just return if no DVB is supported */
if ((cx->card->hw_all & CX18_HW_DVB) == 0)
return 0;
- if (cx18_dvb_register(s) < 0) {
+ ret = cx18_dvb_register(s);
+ if (ret < 0) {
CX18_ERR("DVB failed to register\n");
- return -EINVAL;
+ return ret;
}
}
@@ -252,12 +255,13 @@ static int cx18_reg_dev(struct cx18 *cx, int type)
}
/* Register device. First try the desired minor, then any free one. */
- if (video_register_device(s->v4l2dev, vfl_type, num)) {
+ ret = video_register_device(s->v4l2dev, vfl_type, num);
+ if (ret < 0) {
CX18_ERR("Couldn't register v4l2 device for %s kernel number %d\n",
s->name, num);
video_device_release(s->v4l2dev);
s->v4l2dev = NULL;
- return -ENOMEM;
+ return ret;
}
num = s->v4l2dev->num;
@@ -290,18 +294,22 @@ static int cx18_reg_dev(struct cx18 *cx, int type)
int cx18_streams_register(struct cx18 *cx)
{
int type;
- int err = 0;
+ int err;
+ int ret = 0;
/* Register V4L2 devices */
- for (type = 0; type < CX18_MAX_STREAMS; type++)
- err |= cx18_reg_dev(cx, type);
+ for (type = 0; type < CX18_MAX_STREAMS; type++) {
+ err = cx18_reg_dev(cx, type);
+ if (err && ret == 0)
+ ret = err;
+ }
- if (err == 0)
+ if (ret == 0)
return 0;
/* One or more streams could not be initialized. Clean 'em all up. */
cx18_streams_cleanup(cx, 1);
- return -ENOMEM;
+ return ret;
}
/* Unregister v4l2 devices */