* [PATCH 4.10 18/93] usb: Make sure usb/phy/of gets built-in
[not found] <20170518104743.163522815@linuxfoundation.org>
@ 2017-05-18 10:46 ` Greg Kroah-Hartman
0 siblings, 0 replies; only message in thread
From: Greg Kroah-Hartman @ 2017-05-18 10:46 UTC (permalink / raw)
To: linux-snps-arc
4.10-stable review patch. If anyone has any objections, please let me know.
------------------
From: Alexey Brodkin <Alexey.Brodkin@synopsys.com>
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 at synopsys.com>
Cc: Greg Kroah-Hartman <gregkh at linuxfoundation.org>
Cc: Masahiro Yamada <yamada.masahiro at socionext.com>
Cc: Geert Uytterhoeven <geert+renesas at glider.be>
Cc: Nicolas Pitre <nicolas.pitre at linaro.org>
Cc: Thomas Gleixner <tglx at linutronix.de>
Cc: Felipe Balbi <balbi at kernel.org>
Cc: Felix Fietkau <nbd at nbd.name>
Cc: Jeremy Kerr <jk at ozlabs.org>
Cc: linux-snps-arc at lists.infradead.org
Signed-off-by: Greg Kroah-Hartman <gregkh at linuxfoundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh at linuxfoundation.org>
---
drivers/Makefile | 1 +
1 file changed, 1 insertion(+)
--- a/drivers/Makefile
+++ b/drivers/Makefile
@@ -101,6 +101,7 @@ 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/
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2017-05-18 10:46 ` [PATCH 4.10 18/93] usb: Make sure usb/phy/of gets built-in Greg Kroah-Hartman
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