V4L/DVB (3318b): sem2mutex: drivers/media/, #2
Semaphore to mutex conversion.
The conversion was generated via scripts, and the result was validated
automatically via a script as well.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
diff --git a/drivers/media/dvb/ttusb-budget/dvb-ttusb-budget.c b/drivers/media/dvb/ttusb-budget/dvb-ttusb-budget.c
index 5a13c47..ecb15d4 100644
--- a/drivers/media/dvb/ttusb-budget/dvb-ttusb-budget.c
+++ b/drivers/media/dvb/ttusb-budget/dvb-ttusb-budget.c
@@ -19,7 +19,7 @@
#include <linux/time.h>
#include <linux/errno.h>
#include <linux/jiffies.h>
-#include <asm/semaphore.h>
+#include <linux/mutex.h>
#include "dvb_frontend.h"
#include "dmxdev.h"
@@ -35,7 +35,6 @@
#include <linux/dvb/dmx.h>
#include <linux/pci.h>
-
/*
TTUSB_HWSECTIONS:
the DSP supports filtering in hardware, however, since the "muxstream"
@@ -83,8 +82,8 @@
struct dvb_net dvbnet;
/* and one for USB access. */
- struct semaphore semi2c;
- struct semaphore semusb;
+ struct mutex semi2c;
+ struct mutex semusb;
struct dvb_adapter adapter;
struct usb_device *dev;
@@ -150,7 +149,7 @@
printk("\n");
#endif
- if (down_interruptible(&ttusb->semusb) < 0)
+ if (mutex_lock_interruptible(&ttusb->semusb) < 0)
return -EAGAIN;
err = usb_bulk_msg(ttusb->dev, ttusb->bulk_out_pipe,
@@ -158,13 +157,13 @@
if (err != 0) {
dprintk("%s: usb_bulk_msg(send) failed, err == %i!\n",
__FUNCTION__, err);
- up(&ttusb->semusb);
+ mutex_unlock(&ttusb->semusb);
return err;
}
if (actual_len != len) {
dprintk("%s: only wrote %d of %d bytes\n", __FUNCTION__,
actual_len, len);
- up(&ttusb->semusb);
+ mutex_unlock(&ttusb->semusb);
return -1;
}
@@ -174,7 +173,7 @@
if (err != 0) {
printk("%s: failed, receive error %d\n", __FUNCTION__,
err);
- up(&ttusb->semusb);
+ mutex_unlock(&ttusb->semusb);
return err;
}
#if DEBUG >= 3
@@ -185,14 +184,14 @@
printk("\n");
#endif
if (!needresult)
- up(&ttusb->semusb);
+ mutex_unlock(&ttusb->semusb);
return 0;
}
static int ttusb_result(struct ttusb *ttusb, u8 * data, int len)
{
memcpy(data, ttusb->last_result, len);
- up(&ttusb->semusb);
+ mutex_unlock(&ttusb->semusb);
return 0;
}
@@ -250,7 +249,7 @@
int i = 0;
int inc;
- if (down_interruptible(&ttusb->semi2c) < 0)
+ if (mutex_lock_interruptible(&ttusb->semi2c) < 0)
return -EAGAIN;
while (i < num) {
@@ -284,7 +283,7 @@
i += inc;
}
- up(&ttusb->semi2c);
+ mutex_unlock(&ttusb->semi2c);
return i;
}
@@ -1495,8 +1494,11 @@
ttusb->dev = udev;
ttusb->c = 0;
ttusb->mux_state = 0;
- sema_init(&ttusb->semi2c, 0);
- sema_init(&ttusb->semusb, 1);
+ mutex_init(&ttusb->semi2c);
+
+ mutex_lock(&ttusb->semi2c);
+
+ mutex_init(&ttusb->semusb);
ttusb_setup_interfaces(ttusb);
@@ -1504,7 +1506,7 @@
if (ttusb_init_controller(ttusb))
printk("ttusb_init_controller: error\n");
- up(&ttusb->semi2c);
+ mutex_unlock(&ttusb->semi2c);
dvb_register_adapter(&ttusb->adapter, "Technotrend/Hauppauge Nova-USB", THIS_MODULE);
ttusb->adapter.priv = ttusb;