diff options
| author |   Vikram Pandita <vikram.pandita@ti.com> | 2011-09-07 09:19:23 -0700 |
|---|---|---|
| committer |   Felipe Balbi <balbi@ti.com> | 2011-12-12 11:51:40 +0200 |
| commit | ea737554451d9fae1207e84a3d2c495bbfcd3f08 (patch) | |
| tree | a1e7c3ebca4e5bb398616822b3fc3c07d5ae82a8 /drivers/usb/musb | |
| parent | usb: musb: ux500: optimize DMA callback routine (diff) | |
| download | linux-dev-ea737554451d9fae1207e84a3d2c495bbfcd3f08.tar.xz linux-dev-ea737554451d9fae1207e84a3d2c495bbfcd3f08.zip | |
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.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 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, |