Merge branch 'i2c-embedded/for-next' of git://git.pengutronix.de/git/wsa/linux

[firefly-linux-kernel-4.4.55.git] / drivers / isdn / gigaset / usb-gigaset.c

diff --git a/drivers/isdn/gigaset/usb-gigaset.c b/drivers/isdn/gigaset/usb-gigaset.c
index 049da67f639231ffc5714abf45f75f2094859fe8..d0a41cb0cf627fe8c6687324e93f9dd3cb0384b7 100644 (file)
--- a/drivers/isdn/gigaset/usb-gigaset.c
+++ b/drivers/isdn/gigaset/usb-gigaset.c
@@ -124,6 +124,7 @@ static struct usb_driver gigaset_usb_driver = {
        .reset_resume = gigaset_resume,
        .pre_reset =    gigaset_pre_reset,
        .post_reset =   gigaset_resume,
+       .disable_hub_initiated_lpm = 1,
 };
 
 struct usb_cardstate {
@@ -549,10 +550,9 @@ static int gigaset_brkchars(struct cardstate *cs, const unsigned char buf[6])
                               0, 0, &buf, 6, 2000);
 }
 
-static int gigaset_freebcshw(struct bc_state *bcs)
+static void gigaset_freebcshw(struct bc_state *bcs)
 {
        /* unused */
-       return 1;
 }
 
 /* Initialize the b-channel structure */
@@ -560,7 +560,7 @@ static int gigaset_initbcshw(struct bc_state *bcs)
 {
        /* unused */
        bcs->hw.usb = NULL;
-       return 1;
+       return 0;
 }
 
 static void gigaset_reinitbcshw(struct bc_state *bcs)
@@ -582,7 +582,7 @@ static int gigaset_initcshw(struct cardstate *cs)
                kmalloc(sizeof(struct usb_cardstate), GFP_KERNEL);
        if (!ucs) {
                pr_err("out of memory\n");
-               return 0;
+               return -ENOMEM;
        }
 
        ucs->bchars[0] = 0;
@@ -597,7 +597,7 @@ static int gigaset_initcshw(struct cardstate *cs)
        tasklet_init(&cs->write_tasklet,
                     gigaset_modem_fill, (unsigned long) cs);
 
-       return 1;
+       return 0;
 }
 
 /* Send data from current skb to the device. */
@@ -766,9 +766,9 @@ static int gigaset_probe(struct usb_interface *interface,
        if (startmode == SM_LOCKED)
                cs->mstate = MS_LOCKED;
 
-       if (!gigaset_start(cs)) {
+       retval = gigaset_start(cs);
+       if (retval < 0) {
                tasklet_kill(&cs->write_tasklet);
-               retval = -ENODEV;
                goto error;
        }
        return 0;
@@ -898,8 +898,10 @@ static int __init usb_gigaset_init(void)
        driver = gigaset_initdriver(GIGASET_MINOR, GIGASET_MINORS,
                                    GIGASET_MODULENAME, GIGASET_DEVNAME,
                                    &ops, THIS_MODULE);
-       if (driver == NULL)
+       if (driver == NULL) {
+               result = -ENOMEM;
                goto error;
+       }
 
        /* register this driver with the USB subsystem */
        result = usb_register(&gigaset_usb_driver);
@@ -915,7 +917,7 @@ error:
        if (driver)
                gigaset_freedriver(driver);
        driver = NULL;
-       return -1;
+       return result;
 }
 
 /*