musb: save and restore missing bus control register

[~andy/linux] / drivers / usb / musb / musb_core.c

diff --git a/drivers/usb/musb/musb_core.c b/drivers/usb/musb/musb_core.c
index 0e8b8ab1d1682c7513348816f65ffbc36d6f2b4e..3342b82d4e5316ae513d96a0a75cff3847e79dec 100644 (file)
--- a/drivers/usb/musb/musb_core.c
+++ b/drivers/usb/musb/musb_core.c
@@ -2176,6 +2176,7 @@ void musb_save_context(struct musb *musb)
        if (is_host_enabled(musb)) {
                musb_context.frame = musb_readw(musb_base, MUSB_FRAME);
                musb_context.testmode = musb_readb(musb_base, MUSB_TESTMODE);
+               musb_context.busctl = musb_read_ulpi_buscontrol(musb->mregs);
        }
        musb_context.power = musb_readb(musb_base, MUSB_POWER);
        musb_context.intrtxe = musb_readw(musb_base, MUSB_INTRTXE);
@@ -2247,6 +2248,7 @@ void musb_restore_context(struct musb *musb)
        if (is_host_enabled(musb)) {
                musb_writew(musb_base, MUSB_FRAME, musb_context.frame);
                musb_writeb(musb_base, MUSB_TESTMODE, musb_context.testmode);
+               musb_write_ulpi_buscontrol(musb->mregs, musb_context.busctl);
        }
        musb_writeb(musb_base, MUSB_POWER, musb_context.power);
        musb_writew(musb_base, MUSB_INTRTXE, musb_context.intrtxe);