Merge branch 'usb-next' into musb-merge

[firefly-linux-kernel-4.4.55.git] / drivers / usb / musb / musb_core.c

diff --git a/drivers/usb/musb/musb_core.c b/drivers/usb/musb/musb_core.c
index 7816c0180430564e900d6ecd998e5723b09849a5..07cf394e491b01bddc5bd84fdcbc31016c174655 100644 (file)
--- a/drivers/usb/musb/musb_core.c
+++ b/drivers/usb/musb/musb_core.c
@@ -541,7 +541,8 @@ static irqreturn_t musb_stage0_irq(struct musb *musb, u8 int_usb,
        if (int_usb & MUSB_INTR_SESSREQ) {
                void __iomem *mbase = musb->mregs;
 
-               if (devctl & MUSB_DEVCTL_BDEVICE) {
+               if ((devctl & MUSB_DEVCTL_VBUS) == MUSB_DEVCTL_VBUS
+                               && (devctl & MUSB_DEVCTL_BDEVICE)) {
                        DBG(3, "SessReq while on B state\n");
                        return IRQ_HANDLED;
                }
@@ -1039,6 +1040,11 @@ static void musb_shutdown(struct platform_device *pdev)
        musb_generic_disable(musb);
        spin_unlock_irqrestore(&musb->lock, flags);
 
+       if (!is_otg_enabled(musb) && is_host_enabled(musb))
+               usb_remove_hcd(musb_to_hcd(musb));
+       musb_writeb(musb->mregs, MUSB_DEVCTL, 0);
+       musb_platform_exit(musb);
+
        /* FIXME power down */
 }
 
@@ -2084,12 +2090,15 @@ bad_config:
         * Otherwise, wait till the gadget driver hooks up.
         */
        if (!is_otg_enabled(musb) && is_host_enabled(musb)) {
+               struct usb_hcd  *hcd = musb_to_hcd(musb);
+
                MUSB_HST_MODE(musb);
                musb->xceiv->default_a = 1;
                musb->xceiv->state = OTG_STATE_A_IDLE;
 
                status = usb_add_hcd(musb_to_hcd(musb), -1, 0);
 
+               hcd->self.uses_pio_for_control = 1;
                DBG(1, "%s mode, status %d, devctl %02x %c\n",
                        "HOST", status,
                        musb_readb(musb->mregs, MUSB_DEVCTL),
@@ -2214,13 +2223,6 @@ static int __exit musb_remove(struct platform_device *pdev)
         */
        musb_exit_debugfs(musb);
        musb_shutdown(pdev);
-#ifdef CONFIG_USB_MUSB_HDRC_HCD
-       if (musb->board_mode == MUSB_HOST)
-               usb_remove_hcd(musb_to_hcd(musb));
-#endif
-       musb_writeb(musb->mregs, MUSB_DEVCTL, 0);
-       musb_platform_exit(musb);
-       musb_writeb(musb->mregs, MUSB_DEVCTL, 0);
 
        musb_free(musb);
        iounmap(ctrl_base);