usb: musb: omap2+: save and restore OTG_INTERFSEL

we need to save and restore OTG_INTERFSEL register
else we will be unable to function on resume after
OFF mode.

Reported-by: Devaraj Rangasamy <dev@ti.com>
Signed-off-by: Hema HK <hemahk@ti.com>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Vikram Pandita <vikram.pandita@ti.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>

1 files changed, 1 insertions, 0 deletions

diff --git a/drivers/usb/musb/musb_core.h b/drivers/usb/musb/musb_core.h
index b3c065ab9dbc..3259a6bbaba3 100644
--- a/drivers/usb/musb/musb_core.h
+++ b/drivers/usb/musb/musb_core.h
@@ -311,6 +311,7 @@ struct musb_context_registers {
         u8 index, testmode;
 
         u8 devctl, busctl, misc;
+        u32 otg_interfsel;
 
         struct musb_csr_regs index_regs[MUSB_C_NUM_EPS];
 };