twl4030-usb: remove unneeded code

This code was removed from later versions of the driver
(part of it is leftover from OMAP1, part is non-functional
because i2c access is disabled when it's called).

diff --git a/drivers/i2c/chips/twl4030-usb.c b/drivers/i2c/chips/twl4030-usb.c
index f967353..9ebdd13 100644 (file)
--- a/drivers/i2c/chips/twl4030-usb.c
+++ b/drivers/i2c/chips/twl4030-usb.c
@@ -586,30 +586,12 @@ static int twl4030_set_peripheral(struct otg_transceiver *x,
                struct usb_gadget *gadget)
 {
        struct twl4030_usb *twl;
-       u32 l;
 
        if (!x)
                return -ENODEV;
 
        twl = xceiv_to_twl(x);
-
-       if (!gadget) {
-               omap_writew(0, OTG_IRQ_EN);
-               twl4030_phy_suspend(twl, 1);
-               twl->otg.gadget = NULL;
-
-               return -ENODEV;
-       }
-
        twl->otg.gadget = gadget;
-       twl4030_phy_resume(twl);
-
-       l = omap_readl(OTG_CTRL) & OTG_CTRL_MASK;
-       l &= ~(OTG_XCEIV_OUTPUTS|OTG_CTRL_BITS);
-       l |= OTG_ID;
-       omap_writel(l, OTG_CTRL);
-
-       twl->otg.state = OTG_STATE_B_IDLE;
 
        return 0;
 }
@@ -622,24 +604,7 @@ static int twl4030_set_host(struct otg_transceiver *x, struct usb_bus *host)
                return -ENODEV;
 
        twl = xceiv_to_twl(x);
-
-       if (!host) {
-               omap_writew(0, OTG_IRQ_EN);
-               twl4030_phy_suspend(twl, 1);
-               twl->otg.host = NULL;
-
-               return -ENODEV;
-       }
-
        twl->otg.host = host;
-       twl4030_phy_resume(twl);
-
-       twl4030_usb_set_bits(twl, TWL4030_OTG_CTRL,
-                       TWL4030_OTG_CTRL_DMPULLDOWN
-                               | TWL4030_OTG_CTRL_DPPULLDOWN);
-
-       twl4030_usb_set_bits(twl, FUNC_CTRL, FUNC_CTRL_SUSPENDM);
-       twl4030_usb_set_bits(twl, TWL4030_OTG_CTRL, TWL4030_OTG_CTRL_DRVVBUS);
 
        return 0;
 }