This is a note to let you know that I've just added the patch titled
usb: dwc3: fix the glue drivers using the nop phy
to the 3.12-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-dwc3-fix-the-glue-drivers-using-the-nop-phy.patch
and it can be found in the queue-3.12 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From 13518673f1419f2667985a6fca4543e44143408b Mon Sep 17 00:00:00 2001
From: Heikki Krogerus <heikki.krogerus@xxxxxxxxxxxxxxx>
Date: Wed, 18 Dec 2013 16:41:25 +0200
Subject: usb: dwc3: fix the glue drivers using the nop phy
From: Heikki Krogerus <heikki.krogerus@xxxxxxxxxxxxxxx>
commit 13518673f1419f2667985a6fca4543e44143408b upstream.
The reset_gpio member of the usb_phy_gen_xceiv_platform_data
structure needs the have negative value or phy-generic's
probe will fail unless DT is used. 0 is a valid gpio number.
This fixes an issue where phy-generic fails to probe with
message: "usb_phy_gen_xceiv.0: Error requesting RESET GPIO 0".
Signed-off-by: Heikki Krogerus <heikki.krogerus@xxxxxxxxxxxxxxx>
Signed-off-by: Felipe Balbi <balbi@xxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/usb/dwc3/dwc3-exynos.c | 1 +
drivers/usb/dwc3/dwc3-pci.c | 1 +
2 files changed, 2 insertions(+)
--- a/drivers/usb/dwc3/dwc3-exynos.c
+++ b/drivers/usb/dwc3/dwc3-exynos.c
@@ -50,6 +50,7 @@ static int dwc3_exynos_register_phys(str
exynos->usb2_phy = pdev;
pdata.type = USB_PHY_TYPE_USB2;
+ pdata.gpio_reset = -1;
ret = platform_device_add_data(exynos->usb2_phy, &pdata, sizeof(pdata));
if (ret)
--- a/drivers/usb/dwc3/dwc3-pci.c
+++ b/drivers/usb/dwc3/dwc3-pci.c
@@ -52,6 +52,7 @@ static int dwc3_pci_register_phys(struct
glue->usb2_phy = pdev;
pdata.type = USB_PHY_TYPE_USB2;
+ pdata.gpio_reset = -1;
ret = platform_device_add_data(glue->usb2_phy, &pdata, sizeof(pdata));
if (ret)
Patches currently in stable-queue which might be from heikki.krogerus@xxxxxxxxxxxxxxx are
queue-3.12/usb-dwc3-fix-the-glue-drivers-using-the-nop-phy.patch
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