Re: phy-qcom-usb-hs.c:undefined reference to `extcon_unregister_notifier'

From: Kishon Vijay Abraham I
Date: Thu Mar 09 2017 - 03:25:46 EST




On Tuesday 07 March 2017 09:31 PM, Stephen Boyd wrote:
> Quoting kbuild test robot (2017-03-06 09:19:50)
>> Hi Stephen,
>>
>> FYI, the error/warning still remains.
>>
>> tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
>> head: c1ae3cfa0e89fa1a7ecc4c99031f5e9ae99d9201
>> commit: e2427b09ba929c2b9d02556b74a85161a7364792 phy: Add support for Qualcomm's USB HS phy
>> date: 5 weeks ago
>> config: i386-randconfig-x019-03061728 (attached as .config)
>> compiler: gcc-6 (Debian 6.2.0-3) 6.2.0 20160901
>> reproduce:
>> git checkout e2427b09ba929c2b9d02556b74a85161a7364792
>> # save the attached .config to linux build tree
>> make ARCH=i386
>>
>> All errors (new ones prefixed by >>):
>>
>> drivers/built-in.o: In function `qcom_usb_hs_phy_power_off':
>>>> phy-qcom-usb-hs.c:(.text+0x1248): undefined reference to `extcon_unregister_notifier'
>> drivers/built-in.o: In function `qcom_usb_hs_phy_power_on':
>>>> phy-qcom-usb-hs.c:(.text+0x1389): undefined reference to `extcon_get_state'
>>>> phy-qcom-usb-hs.c:(.text+0x13a4): undefined reference to `extcon_register_notifier'
>> drivers/built-in.o: In function `qcom_usb_hs_phy_probe':
>>>> phy-qcom-usb-hs.c:(.text+0x1551): undefined reference to `extcon_get_edev_by_phandle'
>
> Agreed. The same fix is required:
>
> ----8<-----
> From: Stephen Boyd <stephen.boyd@xxxxxxxxxx>
> Subject: [PATCH] phy: qcom-usb-hs: Add depends on EXTCON
>
> We get the following compile errors if EXTCON is enabled as a
> module but this driver is builtin:
>
> drivers/built-in.o: In function `qcom_usb_hs_phy_power_off':
> phy-qcom-usb-hs.c:(.text+0x1089): undefined reference to `extcon_unregister_notifier'
> drivers/built-in.o: In function `qcom_usb_hs_phy_probe':
> phy-qcom-usb-hs.c:(.text+0x11b5): undefined reference to `extcon_get_edev_by_phandle'
> drivers/built-in.o: In function `qcom_usb_hs_phy_power_on':
> phy-qcom-usb-hs.c:(.text+0x128e): undefined reference to `extcon_get_state'
> phy-qcom-usb-hs.c:(.text+0x12a9): undefined reference to `extcon_register_notifier'
>
> so let's mark this as needing to follow the modular status of
> the extcon framework.
>
> Fixes: 9994a33865f4 e2427b09ba929c2b9 (phy: Add support for Qualcomm's USB HS phy")
> Signed-off-by: Stephen Boyd <stephen.boyd@xxxxxxxxxx>

merged, thanks.

-Kishon

> ---
> drivers/phy/Kconfig | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/drivers/phy/Kconfig b/drivers/phy/Kconfig
> index 61a22e985831..0386534892c5 100644
> --- a/drivers/phy/Kconfig
> +++ b/drivers/phy/Kconfig
> @@ -440,6 +440,7 @@ config PHY_QCOM_UFS
> config PHY_QCOM_USB_HS
> tristate "Qualcomm USB HS PHY module"
> depends on USB_ULPI_BUS
> + depends on EXTCON || !EXTCON # if EXTCON=m, this cannot be built-in
> select GENERIC_PHY
> help
> Support for the USB high-speed ULPI compliant phy on Qualcomm
>