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authorVikram Pandita <vikram.pandita@ti.com>2011-09-07 09:19:23 -0700
committerFelipe Balbi <balbi@ti.com>2011-12-12 11:51:40 +0200
commitea737554451d9fae1207e84a3d2c495bbfcd3f08 (patch)
treea1e7c3ebca4e5bb398616822b3fc3c07d5ae82a8 /drivers/usb/musb
parentbe18a251892ab85d1bc10d87d336ee25f8dba615 (diff)
usb: musb: omap2+: fix context api's
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 <vikram.pandita@ti.com> Signed-off-by: Anand Gadiyar <gadiyar@ti.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
Diffstat (limited to 'drivers/usb/musb')
-rw-r--r--drivers/usb/musb/musb_core.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/usb/musb/musb_core.c b/drivers/usb/musb/musb_core.c
index b63ab1570103..2141976d423c 100644
--- a/drivers/usb/musb/musb_core.c
+++ b/drivers/usb/musb/musb_core.c
@@ -2158,6 +2158,7 @@ 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 =
@@ -2233,6 +2234,7 @@ 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,