From: Sakethram Bommisetti <[email protected]> Modify ab8500_usb_set_peripheral() and ab8500_usb_set_host() code to schedule phy_dis_work only when necessary in order to prevent regulator count mismatch during reboot/shutdown.
Signed-off-by: Sakethram Bommisetti <[email protected]> Acked-by: Linus Walleij <[email protected]> Signed-off-by: Fabio Baltieri <[email protected]> --- drivers/usb/phy/phy-ab8500-usb.c | 17 ++++++++--------- 1 file changed, 8 insertions(+), 9 deletions(-) diff --git a/drivers/usb/phy/phy-ab8500-usb.c b/drivers/usb/phy/phy-ab8500-usb.c index 30adfee..81d1a5a 100644 --- a/drivers/usb/phy/phy-ab8500-usb.c +++ b/drivers/usb/phy/phy-ab8500-usb.c @@ -613,17 +613,16 @@ static int ab8500_usb_set_peripheral(struct usb_otg *otg, ab = phy_to_ab(otg->phy); + ab->phy.otg->gadget = gadget; + /* Some drivers call this function in atomic context. * Do not update ab8500 registers directly till this * is fixed. */ - if (!gadget) { - otg->gadget = NULL; + if ((ab->mode != USB_IDLE) && (!gadget)) { + ab->mode = USB_IDLE; schedule_work(&ab->phy_dis_work); - } else { - otg->gadget = gadget; - otg->phy->state = OTG_STATE_B_IDLE; } return 0; @@ -638,16 +637,16 @@ static int ab8500_usb_set_host(struct usb_otg *otg, struct usb_bus *host) ab = phy_to_ab(otg->phy); + ab->phy.otg->host = host; + /* Some drivers call this function in atomic context. * Do not update ab8500 registers directly till this * is fixed. */ - if (!host) { - otg->host = NULL; + if ((ab->mode != USB_IDLE) && (!host)) { + ab->mode = USB_IDLE; schedule_work(&ab->phy_dis_work); - } else { - otg->host = host; } return 0; -- 1.8.1.3 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
