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yaml
---
r: 190450
b: refs/heads/master
c: 34e2beb
h: refs/heads/master
v: v3
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Sergei Shtylyov authored and Greg Kroah-Hartman committed Apr 30, 2010
1 parent a030370 commit b630f43
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Showing 2 changed files with 35 additions and 18 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: c6a39eec9dcd5f205fd41a5c87a1f3e5d95ffaaa
refs/heads/master: 34e2beb2c883e0ea1b6135ad6f7713f7574a01aa
51 changes: 34 additions & 17 deletions trunk/drivers/usb/musb/musb_core.c
Original file line number Diff line number Diff line change
Expand Up @@ -1878,8 +1878,10 @@ musb_init_controller(struct device *dev, int nIrq, void __iomem *ctrl)
*/
if (!plat) {
dev_dbg(dev, "no platform_data?\n");
return -ENODEV;
status = -ENODEV;
goto fail0;
}

switch (plat->mode) {
case MUSB_HOST:
#ifdef CONFIG_USB_MUSB_HDRC_HCD
Expand All @@ -1901,13 +1903,16 @@ musb_init_controller(struct device *dev, int nIrq, void __iomem *ctrl)
#endif
default:
dev_err(dev, "incompatible Kconfig role setting\n");
return -EINVAL;
status = -EINVAL;
goto fail0;
}

/* allocate */
musb = allocate_instance(dev, plat->config, ctrl);
if (!musb)
return -ENOMEM;
if (!musb) {
status = -ENOMEM;
goto fail0;
}

spin_lock_init(&musb->lock);
musb->board_mode = plat->mode;
Expand All @@ -1925,7 +1930,7 @@ musb_init_controller(struct device *dev, int nIrq, void __iomem *ctrl)
if (IS_ERR(musb->clock)) {
status = PTR_ERR(musb->clock);
musb->clock = NULL;
goto fail;
goto fail1;
}
}

Expand All @@ -1944,12 +1949,12 @@ musb_init_controller(struct device *dev, int nIrq, void __iomem *ctrl)
*/
musb->isr = generic_interrupt;
status = musb_platform_init(musb);

if (status < 0)
goto fail;
goto fail2;

if (!musb->isr) {
status = -ENODEV;
goto fail2;
goto fail3;
}

#ifndef CONFIG_MUSB_PIO_ONLY
Expand All @@ -1975,7 +1980,7 @@ musb_init_controller(struct device *dev, int nIrq, void __iomem *ctrl)
? MUSB_CONTROLLER_MHDRC
: MUSB_CONTROLLER_HDRC, musb);
if (status < 0)
goto fail2;
goto fail3;

#ifdef CONFIG_USB_MUSB_OTG
setup_timer(&musb->otg_timer, musb_otg_timer_func, (unsigned long) musb);
Expand All @@ -1988,7 +1993,7 @@ musb_init_controller(struct device *dev, int nIrq, void __iomem *ctrl)
if (request_irq(nIrq, musb->isr, 0, dev_name(dev), musb)) {
dev_err(dev, "request_irq %d failed!\n", nIrq);
status = -ENODEV;
goto fail2;
goto fail3;
}
musb->nIrq = nIrq;
/* FIXME this handles wakeup irqs wrong */
Expand Down Expand Up @@ -2050,12 +2055,12 @@ musb_init_controller(struct device *dev, int nIrq, void __iomem *ctrl)

}
if (status < 0)
goto fail2;
goto fail3;

#ifdef CONFIG_SYSFS
status = sysfs_create_group(&musb->controller->kobj, &musb_attr_group);
if (status)
goto fail2;
goto fail4;
#endif

dev_info(dev, "USB %s mode controller at %p using %s, IRQ %d\n",
Expand All @@ -2072,17 +2077,29 @@ musb_init_controller(struct device *dev, int nIrq, void __iomem *ctrl)

return 0;

fail2:
fail4:
if (!is_otg_enabled(musb) && is_host_enabled(musb))
usb_remove_hcd(musb_to_hcd(musb));
else
musb_gadget_cleanup(musb);

fail3:
if (musb->irq_wake)
device_init_wakeup(dev, 0);
musb_platform_exit(musb);
fail:
dev_err(musb->controller,
"musb_init_controller failed with status %d\n", status);

fail2:
if (musb->clock)
clk_put(musb->clock);
device_init_wakeup(dev, 0);

fail1:
dev_err(musb->controller,
"musb_init_controller failed with status %d\n", status);

musb_free(musb);

fail0:

return status;

}
Expand Down

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