From: Sakethram Bommisetti <sakethram.bommisetti@xxxxxxxxxxxxxx>
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 <sakethram.bommisetti@xxxxxxxxxxxxxx>
Acked-by: Linus Walleij <linus.walleij@xxxxxxxxxx>
Signed-off-by: Fabio Baltieri <fabio.baltieri@xxxxxxxxxx>
---
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-usb" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
