diff options
Diffstat (limited to 'drivers/staging/ozwpan/ozurbparanoia.c')
-rw-r--r-- | drivers/staging/ozwpan/ozurbparanoia.c | 54 |
1 files changed, 0 insertions, 54 deletions
diff --git a/drivers/staging/ozwpan/ozurbparanoia.c b/drivers/staging/ozwpan/ozurbparanoia.c deleted file mode 100644 index cf6278a198a8..000000000000 --- a/drivers/staging/ozwpan/ozurbparanoia.c +++ /dev/null @@ -1,54 +0,0 @@ -/* ----------------------------------------------------------------------------- - * Copyright (c) 2011 Ozmo Inc - * Released under the GNU General Public License Version 2 (GPLv2). - * ----------------------------------------------------------------------------- - */ -#include <linux/usb.h> -#include "ozdbg.h" - -#ifdef WANT_URB_PARANOIA - -#include "ozurbparanoia.h" - -#define OZ_MAX_URBS 1000 -struct urb *g_urb_memory[OZ_MAX_URBS]; -int g_nb_urbs; -DEFINE_SPINLOCK(g_urb_mem_lock); - -void oz_remember_urb(struct urb *urb) -{ - unsigned long irq_state; - - spin_lock_irqsave(&g_urb_mem_lock, irq_state); - if (g_nb_urbs < OZ_MAX_URBS) { - g_urb_memory[g_nb_urbs++] = urb; - oz_dbg(ON, "urb up = %d %p\n", g_nb_urbs, urb); - } else { - oz_dbg(ON, "ERROR urb buffer full\n"); - } - spin_unlock_irqrestore(&g_urb_mem_lock, irq_state); -} - -/* - */ -int oz_forget_urb(struct urb *urb) -{ - unsigned long irq_state; - int i; - int rc = -1; - - spin_lock_irqsave(&g_urb_mem_lock, irq_state); - for (i = 0; i < g_nb_urbs; i++) { - if (g_urb_memory[i] == urb) { - rc = 0; - if (--g_nb_urbs > i) - memcpy(&g_urb_memory[i], &g_urb_memory[i+1], - (g_nb_urbs - i) * sizeof(struct urb *)); - oz_dbg(ON, "urb down = %d %p\n", g_nb_urbs, urb); - } - } - spin_unlock_irqrestore(&g_urb_mem_lock, irq_state); - return rc; -} -#endif /* #ifdef WANT_URB_PARANOIA */ - |