Merge current mainline tree into linux-omap tree

[linux-2.6-omap-h63xx.git] / drivers / usb / gadget / omap_udc.c

diff --git a/drivers/usb/gadget/omap_udc.c b/drivers/usb/gadget/omap_udc.c
index bb54cca4c54381736ead413cec0e3747e4af9b78..34e9e393f929b5b35b7710d5065ab30fbe25595e 100644 (file)
--- a/drivers/usb/gadget/omap_udc.c
+++ b/drivers/usb/gadget/omap_udc.c
@@ -2313,6 +2313,13 @@ static int proc_otg_show(struct seq_file *s)
 
        tmp = omap_readl(OTG_REV);
        if (cpu_is_omap24xx()) {
+               /*
+                * REVISIT: Not clear how this works on OMAP2.  trans
+                * is ANDed to produce bits 7 and 8, which might make
+                * sense for USB_TRANSCEIVER_CTRL on OMAP1,
+                * but with CONTROL_DEVCONF, these bits have something to
+                * do with the frame adjustment counter and McBSP2.
+                */
                ctrl_name = "control_devconf";
                trans = omap_ctrl_readl(OMAP2_CONTROL_DEVCONF0);
        } else {