From: Vikram Pandita <vikram.pandita@xxxxxx> 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@xxxxxx> Signed-off-by: Anand Gadiyar <gadiyar@xxxxxx> --- 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-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
