video: Drop DEV_FLAGS_SYSTEM flag

DEV_FLAGS_SYSTEM does not have any actual meaning, hence drop it.

Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
diff --git a/drivers/input/cros_ec_keyb.c b/drivers/input/cros_ec_keyb.c
index a31aa77..dd150ee 100644
--- a/drivers/input/cros_ec_keyb.c
+++ b/drivers/input/cros_ec_keyb.c
@@ -258,7 +258,7 @@
 
 	memset(&dev, '\0', sizeof(dev));
 	strcpy(dev.name, "cros-ec-keyb");
-	dev.flags = DEV_FLAGS_INPUT | DEV_FLAGS_SYSTEM;
+	dev.flags = DEV_FLAGS_INPUT;
 	dev.getc = kbd_getc;
 	dev.tstc = kbd_tstc;
 	dev.start = cros_ec_init_keyboard;
diff --git a/drivers/input/keyboard.c b/drivers/input/keyboard.c
index be0f333..ca3886a 100644
--- a/drivers/input/keyboard.c
+++ b/drivers/input/keyboard.c
@@ -274,7 +274,7 @@
 		return -1;
 	memset (&kbddev, 0, sizeof(kbddev));
 	strcpy(kbddev.name, DEVNAME);
-	kbddev.flags =  DEV_FLAGS_INPUT | DEV_FLAGS_SYSTEM;
+	kbddev.flags =  DEV_FLAGS_INPUT;
 	kbddev.getc = kbd_getc ;
 	kbddev.tstc = kbd_testc ;
 
diff --git a/drivers/input/tegra-kbc.c b/drivers/input/tegra-kbc.c
index c9c9fac..6b88db4 100644
--- a/drivers/input/tegra-kbc.c
+++ b/drivers/input/tegra-kbc.c
@@ -358,7 +358,7 @@
 
 	memset(&dev, '\0', sizeof(dev));
 	strcpy(dev.name, "tegra-kbc");
-	dev.flags = DEV_FLAGS_INPUT | DEV_FLAGS_SYSTEM;
+	dev.flags = DEV_FLAGS_INPUT;
 	dev.getc = kbd_getc;
 	dev.tstc = kbd_tstc;
 	dev.start = init_tegra_keyboard;