usb: dwc2/gadget: delay enabling irq once hardware is configured properly
This patch fixes kernel panic/interrupt storm/etc issues if bootloader left s3c-hsotg module in enabled state. Now interrupt handler is enabled only after proper configuration of hardware registers. Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com> Signed-off-by: Robert Baldyga <r.baldyga@samsung.com> Cc: stable <stable@vger.kernel.org> # 3.16 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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