usb: musb: save dynfifo in musb struct

Save dynamic FIFO read only information for later uses during
musb_save/restore_context functions.

Signed-off-by: Ajay Kumar Gupta <ajay.gupta@ti.com>
Signed-off-by: Felipe Balbi <felipe.balbi@nokia.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

2 files changed, 4 insertions, 1 deletions

diff --git a/drivers/usb/musb/musb_core.c b/drivers/usb/musb/musb_core.c
index bd14e816df93..4c8962f976b2 100644
--- a/drivers/usb/musb/musb_core.c
+++ b/drivers/usb/musb/musb_core.c
@@ -1341,8 +1341,10 @@ static int __init musb_core_init(u16 musb_type, struct musb *musb)
         reg = musb_read_configdata(mbase);
 
         strcpy(aInfo, (reg & MUSB_CONFIGDATA_UTMIDW) ? "UTMI-16" : "UTMI-8");
-        if (reg & MUSB_CONFIGDATA_DYNFIFO)
+        if (reg & MUSB_CONFIGDATA_DYNFIFO) {
                 strcat(aInfo, ", dyn FIFOs");
+                musb->dyn_fifo = true;
+        }
         if (reg & MUSB_CONFIGDATA_MPRXE) {
                 strcat(aInfo, ", bulk combine");
                 musb->bulk_combine = true;
diff --git a/drivers/usb/musb/musb_core.h b/drivers/usb/musb/musb_core.h
index 2ac0e6f7dd9d..eaa01140183e 100644
--- a/drivers/usb/musb/musb_core.h
+++ b/drivers/usb/musb/musb_core.h
@@ -411,6 +411,7 @@ struct musb {
 
         unsigned                hb_iso_rx:1;    /* high bandwidth iso rx? */
         unsigned                hb_iso_tx:1;    /* high bandwidth iso tx? */
+        unsigned                dyn_fifo:1;     /* dynamic FIFO supported? */
 
         unsigned                bulk_split:1;
 #define can_bulk_split(musb,type) \