diff options
Diffstat (limited to 'drivers/media/usb/pwc/pwc-if.c')
| -rw-r--r-- | drivers/media/usb/pwc/pwc-if.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/media/usb/pwc/pwc-if.c b/drivers/media/usb/pwc/pwc-if.c index 72704f4d5330..53c111bd5a22 100644 --- a/drivers/media/usb/pwc/pwc-if.c +++ b/drivers/media/usb/pwc/pwc-if.c @@ -76,6 +76,9 @@ #include "pwc-dec23.h" #include "pwc-dec1.h" +#define CREATE_TRACE_POINTS +#include <trace/events/pwc.h> + /* Function prototypes and driver templates */ /* hotplug device table support */ @@ -260,6 +263,8 @@ static void pwc_isoc_handler(struct urb *urb) int i, fst, flen; unsigned char *iso_buf = NULL; + trace_pwc_handler_enter(urb, pdev); + if (urb->status == -ENOENT || urb->status == -ECONNRESET || urb->status == -ESHUTDOWN) { PWC_DEBUG_OPEN("URB (%p) unlinked %ssynchronously.\n", @@ -348,6 +353,8 @@ static void pwc_isoc_handler(struct urb *urb) } handler_end: + trace_pwc_handler_exit(urb, pdev); + i = usb_submit_urb(urb, GFP_ATOMIC); if (i != 0) PWC_ERROR("Error (%d) re-submitting urb in pwc_isoc_handler.\n", i); |