a4c0645326
Thank you Peter Wagner for the patch. I refreshed the kernel patches and added the md5sum of the kernel. SVN-Revision: 26905
77 lines
2.0 KiB
Diff
77 lines
2.0 KiB
Diff
--- a/drivers/cbus/tahvo-usb.c
|
|
+++ b/drivers/cbus/tahvo-usb.c
|
|
@@ -98,6 +98,7 @@ struct tahvo_usb {
|
|
#ifdef CONFIG_USB_OTG
|
|
int tahvo_mode;
|
|
#endif
|
|
+ struct clk *ick;
|
|
};
|
|
static struct tahvo_usb *tahvo_usb_device;
|
|
|
|
@@ -673,6 +674,14 @@ static int __init tahvo_usb_probe(struct
|
|
INIT_WORK(&tu->irq_work, tahvo_usb_irq_work);
|
|
mutex_init(&tu->serialize);
|
|
|
|
+ tu->ick = clk_get(NULL, "usb_l4_ick");
|
|
+ if (IS_ERR(tu->ick)) {
|
|
+ dev_err(dev, "Failed to get usb_l4_ick\n");
|
|
+ ret = PTR_ERR(tu->ick);
|
|
+ goto err_free_tu;
|
|
+ }
|
|
+ clk_enable(tu->ick);
|
|
+
|
|
/* Set initial state, so that we generate kevents only on
|
|
* state changes */
|
|
tu->vbus_state = tahvo_read_reg(TAHVO_REG_IDSR) & 0x01;
|
|
@@ -681,10 +690,8 @@ static int __init tahvo_usb_probe(struct
|
|
ret = tahvo_request_irq(TAHVO_INT_VBUSON, tahvo_usb_vbus_interrupt,
|
|
(unsigned long) tu, "vbus_interrupt");
|
|
if (ret != 0) {
|
|
- kfree(tu);
|
|
- tahvo_usb_device = NULL;
|
|
printk(KERN_ERR "Could not register Tahvo interrupt for VBUS\n");
|
|
- return ret;
|
|
+ goto err_release_clk;
|
|
}
|
|
|
|
/* Attributes */
|
|
@@ -709,10 +716,7 @@ static int __init tahvo_usb_probe(struct
|
|
ret = otg_set_transceiver(&tu->otg);
|
|
if (ret < 0) {
|
|
printk(KERN_ERR "Cannot register USB transceiver\n");
|
|
- tahvo_usb_device = NULL;
|
|
- kfree(tu);
|
|
- tahvo_free_irq(TAHVO_INT_VBUSON);
|
|
- return ret;
|
|
+ goto err_free_irq;
|
|
}
|
|
|
|
dev_set_drvdata(dev, tu);
|
|
@@ -721,6 +725,17 @@ static int __init tahvo_usb_probe(struct
|
|
* may not be generated in addition to this. */
|
|
schedule_work(&tu->irq_work);
|
|
return 0;
|
|
+
|
|
+err_free_irq:
|
|
+ tahvo_free_irq(TAHVO_INT_VBUSON);
|
|
+err_release_clk:
|
|
+ clk_disable(tu->ick);
|
|
+ clk_put(tu->ick);
|
|
+err_free_tu:
|
|
+ kfree(tu);
|
|
+ tahvo_usb_device = NULL;
|
|
+
|
|
+ return ret;
|
|
}
|
|
|
|
static int __exit tahvo_usb_remove(struct platform_device *pdev)
|
|
@@ -736,6 +751,8 @@ static int __exit tahvo_usb_remove(struc
|
|
#ifdef CONFIG_USB_OTG
|
|
device_remove_file(&pdev->dev, &dev_attr_otg_mode);
|
|
#endif
|
|
+ clk_disable(tu->ick);
|
|
+ clk_put(tu->ick);
|
|
|
|
kfree(tu);
|
|
tahvo_usb_device = NULL;
|