diff options
Diffstat (limited to 'drivers/usb/gadget/arcotg_udc.c')
| -rwxr-xr-x | drivers/usb/gadget/arcotg_udc.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/drivers/usb/gadget/arcotg_udc.c b/drivers/usb/gadget/arcotg_udc.c index ae0daac1f2ef..89bd9a3b7dec 100755 --- a/drivers/usb/gadget/arcotg_udc.c +++ b/drivers/usb/gadget/arcotg_udc.c @@ -3248,7 +3248,7 @@ err1a: static int fsl_udc_remove(struct platform_device *pdev) { struct fsl_usb2_platform_data *pdata = pdev->dev.platform_data; - + u32 temp; DECLARE_COMPLETION(done); if (!udc_controller) @@ -3258,6 +3258,13 @@ static int fsl_udc_remove(struct platform_device *pdev) if (udc_controller->stopped) dr_clk_gate(true); + /* disable wake up and otgsc interrupt for safely remove udc driver*/ + temp = fsl_readl(&dr_regs->otgsc); + temp &= ~(0x7f << 24); + fsl_writel(temp, &dr_regs->otgsc); + dr_wake_up_enable(udc_controller, false); + + dr_discharge_line(pdata, true); /* DR has been stopped in usb_gadget_unregister_driver() */ remove_proc_file(); |