ARM: OMAP: MUSB: prevent recursive spinlock in TX path
If a hard IRQ occurs during the soft IRQ TX processing, a recursive spinlock BUG can occur. Prevent this by interrupt-off locking around usb_hcd_link_urb_to_ep() Found while testing bluetooth A2DP audio over USB. Signed-off-by: Kevin Hilman <khilman@mvista.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
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