From e1eb3eb8b02c5be35ea1fedccc6c9c6d2c9b0165 Mon Sep 17 00:00:00 2001
From: Felipe Balbi <balbi@ti.com>
Date: Thu, 26 Feb 2015 11:26:09 -0600
Subject: [PATCH] usb: musb: core: refactor IRQ enable/disable to separate
 functions

sometimes we want to just mask/unmask interrupts
without touching devctl register. For those
cases, let's introduce musb_enable_interrupts and
musb_disable_interrupts()

Tested-by: Bin Liu <b-liu@ti.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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