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| author | Vikram Pandita <vikram.pandita@ti.com> | 2011-09-06 12:35:41 -0700 |
|---|---|---|
| committer | Benoit Goby <benoit@android.com> | 2011-09-06 17:24:16 -0700 |
| commit | 923239280d6734b6b4926ea29afb80c534b7c3cb (patch) | |
| tree | c6bd90b6fb093ec2ec305a501838d24d6933560d /drivers/usb | |
| parent | a96b2ef1b13e2beeaf9325db3319e2bf544ccbec (diff) | |
| download | kernel_samsung_tuna-923239280d6734b6b4926ea29afb80c534b7c3cb.zip kernel_samsung_tuna-923239280d6734b6b4926ea29afb80c534b7c3cb.tar.gz kernel_samsung_tuna-923239280d6734b6b4926ea29afb80c534b7c3cb.tar.bz2 | |
usb: musb: 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.
Change-Id: I33ab09f8c214457914ee848e097880c8800de9e6
Signed-off-by: Vikram Pandita <vikram.pandita@ti.com>
Signed-off-by: Anand Gadiyar <gadiyar@ti.com>
Diffstat (limited to 'drivers/usb')
| -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 c5c608b..e2648ff 100644 --- a/drivers/usb/musb/musb_core.c +++ b/drivers/usb/musb/musb_core.c @@ -2214,6 +2214,7 @@ static void musb_save_context(struct musb *musb) musb->context.devctl = musb_readb(musb_base, MUSB_DEVCTL); for (i = 0; i < musb->config->num_eps; ++i) { + musb_writeb(musb_base, MUSB_INDEX, i); epio = musb->endpoints[i].regs; musb->context.index_regs[i].txmaxp = musb_readw(epio, MUSB_TXMAXP); @@ -2280,6 +2281,7 @@ static void musb_restore_context(struct musb *musb) musb_writeb(musb_base, MUSB_DEVCTL, musb->context.devctl); for (i = 0; i < musb->config->num_eps; ++i) { + musb_writeb(musb_base, MUSB_INDEX, i); epio = musb->endpoints[i].regs; musb_writew(epio, MUSB_TXMAXP, musb->context.index_regs[i].txmaxp); |