This is a note to let you know that I've just added the patch titled usb: Make sure usb/phy/of gets built-in to the 4.11-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-make-sure-usb-phy-of-gets-built-in.patch and it can be found in the queue-4.11 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. >From 3d6159640da9c9175d1ca42f151fc1a14caded59 Mon Sep 17 00:00:00 2001 From: Alexey Brodkin <Alexey.Brodkin@xxxxxxxxxxxx> Date: Thu, 13 Apr 2017 15:33:34 +0300 Subject: usb: Make sure usb/phy/of gets built-in From: Alexey Brodkin <Alexey.Brodkin@xxxxxxxxxxxx> commit 3d6159640da9c9175d1ca42f151fc1a14caded59 upstream. DWC3 driver uses of_usb_get_phy_mode() which is implemented in drivers/usb/phy/of.c and in bare minimal configuration it might not be pulled in kernel binary. In case of ARC or ARM this could be easily reproduced with "allnodefconfig" +CONFIG_USB=m +CONFIG_USB_DWC3=m. On building all ends-up with: ---------------------->8------------------ Kernel: arch/arm/boot/Image is ready Kernel: arch/arm/boot/zImage is ready Building modules, stage 2. MODPOST 5 modules ERROR: "of_usb_get_phy_mode" [drivers/usb/dwc3/dwc3.ko] undefined! make[1]: *** [__modpost] Error 1 make: *** [modules] Error 2 ---------------------->8------------------ Signed-off-by: Alexey Brodkin <abrodkin@xxxxxxxxxxxx> Cc: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> Cc: Masahiro Yamada <yamada.masahiro@xxxxxxxxxxxxx> Cc: Geert Uytterhoeven <geert+renesas@xxxxxxxxx> Cc: Nicolas Pitre <nicolas.pitre@xxxxxxxxxx> Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx> Cc: Felipe Balbi <balbi@xxxxxxxxxx> Cc: Felix Fietkau <nbd@xxxxxxxx> Cc: Jeremy Kerr <jk@xxxxxxxxxx> Cc: linux-snps-arc@xxxxxxxxxxxxxxxxxxx Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- drivers/Makefile | 1 + 1 file changed, 1 insertion(+) --- a/drivers/Makefile +++ b/drivers/Makefile @@ -104,6 +104,7 @@ obj-$(CONFIG_USB_PHY) += usb/ obj-$(CONFIG_USB) += usb/ obj-$(CONFIG_PCI) += usb/ obj-$(CONFIG_USB_GADGET) += usb/ +obj-$(CONFIG_OF) += usb/ obj-$(CONFIG_SERIO) += input/serio/ obj-$(CONFIG_GAMEPORT) += input/gameport/ obj-$(CONFIG_INPUT) += input/ Patches currently in stable-queue which might be from Alexey.Brodkin@xxxxxxxxxxxx are queue-4.11/usb-make-sure-usb-phy-of-gets-built-in.patch