Add ftruncate into file operation calls

- Add truncate into file_operations
- Move truncate to be common for mountpt_operations and file_operations
- Modify all drivers to initialize the operations struct accordingly

Signed-off-by: Jukka Laitinen <jukkax@ssrc.tii.ae>

drivers/input/ads7843e.c

@@ -122,6 +122,7 @@ static const struct file_operations ads7843e_fops =
   NULL,             /* write */
   NULL,             /* seek */
   ads7843e_ioctl,   /* ioctl */
+  NULL,             /* truncate */
   ads7843e_poll     /* poll */
 #ifndef CONFIG_DISABLE_PSEUDOFS_OPERATIONS
   , NULL            /* unlink */

drivers/input/ajoystick.c

@@ -135,6 +135,7 @@ static const struct file_operations ajoy_fops =
   NULL,       /* write */
   NULL,       /* seek */
   ajoy_ioctl, /* ioctl */
+  NULL,       /* truncate */
   ajoy_poll   /* poll */
 #ifndef CONFIG_DISABLE_PSEUDOFS_OPERATIONS
   , NULL      /* unlink */

drivers/input/button_upper.c

@@ -133,6 +133,7 @@ static const struct file_operations btn_fops =
   btn_write, /* write */
   NULL,      /* seek */
   btn_ioctl, /* ioctl */
+  NULL,      /* truncate */
   btn_poll   /* poll */
 #ifndef CONFIG_DISABLE_PSEUDOFS_OPERATIONS
   , NULL     /* unlink */

drivers/input/cypress_mbr3108.c

@@ -224,6 +224,7 @@ static const struct file_operations g_mbr3108_fileops =
   mbr3108_write,  /* write */
   NULL,           /* seek */
   NULL,           /* ioctl */
+  NULL,           /* truncate */
   mbr3108_poll    /* poll */
 #ifndef CONFIG_DISABLE_PSEUDOFS_OPERATIONS
   , NULL          /* unlink */

drivers/input/djoystick.c

@@ -135,6 +135,7 @@ static const struct file_operations djoy_fops =
   NULL,       /* write */
   NULL,       /* seek */
   djoy_ioctl, /* ioctl */
+  NULL,       /* truncate */
   djoy_poll   /* poll */
 #ifndef CONFIG_DISABLE_PSEUDOFS_OPERATIONS
   , NULL      /* unlink */

drivers/input/ft5x06.c

@@ -176,6 +176,7 @@ static const struct file_operations ft5x06_fops =
   NULL,           /* write */
   NULL,           /* seek */
   ft5x06_ioctl,   /* ioctl */
+  NULL,           /* truncate */
   ft5x06_poll     /* poll */
 #ifndef CONFIG_DISABLE_PSEUDOFS_OPERATIONS
   , NULL          /* unlink */

drivers/input/keyboard_upper.c

@@ -88,6 +88,7 @@ static const struct file_operations g_keyboard_fops =
   keyboard_write, /* write */
   NULL,           /* seek */
   NULL,           /* ioctl */
+  NULL,           /* truncate */
   keyboard_poll   /* poll */
 #ifndef CONFIG_DISABLE_PSEUDOFS_OPERATIONS
   , NULL          /* unlink */

drivers/input/max11802.c

@@ -115,6 +115,7 @@ static const struct file_operations max11802_fops =
   NULL,             /* write */
   NULL,             /* seek */
   max11802_ioctl,   /* ioctl */
+  NULL,             /* truncate */
   max11802_poll     /* poll */
 #ifndef CONFIG_DISABLE_PSEUDOFS_OPERATIONS
   , NULL            /* unlink */

drivers/input/mxt.c

@@ -280,6 +280,7 @@ static const struct file_operations mxt_fops =
   NULL,        /* write */
   NULL,        /* seek */
   mxt_ioctl,   /* ioctl */
+  NULL,        /* truncate */
   mxt_poll     /* poll */
 #ifndef CONFIG_DISABLE_PSEUDOFS_OPERATIONS
   , NULL       /* unlink */

drivers/input/spq10kbd.c

@@ -255,6 +255,7 @@ static const struct file_operations g_hidkbd_fops =
   spq10kbd_write,            /* write */
   NULL,                      /* seek */
   NULL,                      /* ioctl */
+  NULL,                      /* truncate */
   spq10kbd_poll              /* poll */
 #ifndef CONFIG_DISABLE_PSEUDOFS_OPERATIONS
   , NULL                     /* unlink */

drivers/input/stmpe811_tsc.c

@@ -124,6 +124,7 @@ static const struct file_operations g_stmpe811fops =
   NULL,             /* write */
   NULL,             /* seek */
   stmpe811_ioctl,   /* ioctl */
+  NULL,             /* truncate */
   stmpe811_poll     /* poll */
 #ifndef CONFIG_DISABLE_PSEUDOFS_OPERATIONS
   , NULL            /* unlink */

drivers/input/touchscreen_upper.c

@@ -90,6 +90,7 @@ static const struct file_operations g_touch_fops =
   touch_write,    /* write */
   NULL,           /* seek */
   touch_ioctl,    /* ioctl */
+  NULL,           /* truncate */
   touch_poll      /* poll */
 #ifndef CONFIG_DISABLE_PSEUDOFS_OPERATIONS
   , NULL          /* unlink */

drivers/input/tsc2007.c

@@ -209,6 +209,7 @@ static const struct file_operations tsc2007_fops =
   NULL,            /* write */
   NULL,            /* seek */
   tsc2007_ioctl,   /* ioctl */
+  NULL,            /* truncate */
   tsc2007_poll     /* poll */
 #ifndef CONFIG_DISABLE_PSEUDOFS_OPERATIONS
   , NULL           /* unlink */