From: Vikram Pandita <[email protected]>

RxFifoSz, TxFifoSz, RxFifoAddr, TxFifoAddr
are all indexed registers.

So before doing a context save or restore, INDEX register
should be set, then only one gets to the right register offset.

Signed-off-by: Vikram Pandita <[email protected]>
Signed-off-by: Anand Gadiyar <[email protected]>
---
 drivers/usb/musb/musb_core.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/drivers/usb/musb/musb_core.c b/drivers/usb/musb/musb_core.c
index 20a2873..6328aaf 100644
--- a/drivers/usb/musb/musb_core.c
+++ b/drivers/usb/musb/musb_core.c
@@ -2159,6 +2159,7 @@ static void musb_save_context(struct musb *musb)
                if (!epio)
                        continue;
 
+               musb_writeb(musb_base, MUSB_INDEX, i);
                musb->context.index_regs[i].txmaxp =
                        musb_readw(epio, MUSB_TXMAXP);
                musb->context.index_regs[i].txcsr =
@@ -2234,6 +2235,7 @@ static void musb_restore_context(struct musb *musb)
                if (!epio)
                        continue;
 
+               musb_writeb(musb_base, MUSB_INDEX, i);
                musb_writew(epio, MUSB_TXMAXP,
                        musb->context.index_regs[i].txmaxp);
                musb_writew(epio, MUSB_TXCSR,
-- 
1.7.4.1

--
To unsubscribe from this list: send the line "unsubscribe linux-omap" in
the body of a message to [email protected]
More majordomo info at  http://vger.kernel.org/majordomo-info.html

Reply via email to