This is a note to let you know that I've just added the patch titled
usb: chipidea: msm: Use USB PHY API to control PHY state
to the 3.16-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
usb-chipidea-msm-use-usb-phy-api-to-control-phy-state.patch
and it can be found in the queue-3.16 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From ea290056d7c46f7781ff13801048ed957b96d1a5 Mon Sep 17 00:00:00 2001
From: "Ivan T. Ivanov" <iivanov@xxxxxxxxxx>
Date: Thu, 11 Sep 2014 08:18:59 +0800
Subject: usb: chipidea: msm: Use USB PHY API to control PHY state
From: "Ivan T. Ivanov" <iivanov@xxxxxxxxxx>
commit ea290056d7c46f7781ff13801048ed957b96d1a5 upstream.
PHY drivers keep track of the current state of the hardware,
so don't change PHY settings under it.
Cc: Tim Bird <tbird20d@xxxxxxxxx>
Signed-off-by: Peter Chen <peter.chen@xxxxxxxxxxxxx>
Signed-off-by: Ivan T. Ivanov <iivanov@xxxxxxxxxx>
Acked-by: Felipe Balbi <balbi@xxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/usb/chipidea/ci_hdrc_msm.c | 6 +-----
1 file changed, 1 insertion(+), 5 deletions(-)
--- a/drivers/usb/chipidea/ci_hdrc_msm.c
+++ b/drivers/usb/chipidea/ci_hdrc_msm.c
@@ -20,7 +20,6 @@
static void ci_hdrc_msm_notify_event(struct ci_hdrc *ci, unsigned event)
{
struct device *dev = ci->gadget.dev.parent;
- int val;
switch (event) {
case CI_HDRC_CONTROLLER_RESET_EVENT:
@@ -34,10 +33,7 @@ static void ci_hdrc_msm_notify_event(str
* Put the transceiver in non-driving mode. Otherwise host
* may not detect soft-disconnection.
*/
- val = usb_phy_io_read(ci->transceiver, ULPI_FUNC_CTRL);
- val &= ~ULPI_FUNC_CTRL_OPMODE_MASK;
- val |= ULPI_FUNC_CTRL_OPMODE_NONDRIVING;
- usb_phy_io_write(ci->transceiver, val, ULPI_FUNC_CTRL);
+ usb_phy_notify_disconnect(ci->transceiver, USB_SPEED_UNKNOWN);
break;
default:
dev_dbg(dev, "unknown ci_hdrc event\n");
Patches currently in stable-queue which might be from iivanov@xxxxxxxxxx are
queue-3.16/usb-chipidea-msm-use-usb-phy-api-to-control-phy-state.patch
queue-3.16/usb-chipidea-msm-initialize-phy-on-reset-event.patch
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