usb/gadget: aspeed-vhub: add USB_LIBCOMPOSITE dependency

Message ID 20180525160729.92026-1-arnd@arndb.de
State New
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Series
  • usb/gadget: aspeed-vhub: add USB_LIBCOMPOSITE dependency
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Commit Message

Arnd Bergmann May 25, 2018, 4:07 p.m.
Without that option, we run into a link failure:

drivers/usb/gadget/udc/aspeed-vhub/hub.o: In function `ast_vhub_std_hub_request':
hub.c:(.text+0x5b0): undefined reference to `usb_gadget_get_string'

Fixes: 7ecca2a4080c ("usb/gadget: Add driver for Aspeed SoC virtual hub")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
---
 drivers/usb/gadget/udc/aspeed-vhub/Kconfig | 1 +
 1 file changed, 1 insertion(+)

Comments

Benjamin Herrenschmidt May 28, 2018, 11:49 p.m. | #1
On Fri, 2018-05-25 at 18:07 +0200, Arnd Bergmann wrote:
> Without that option, we run into a link failure:
> 
> drivers/usb/gadget/udc/aspeed-vhub/hub.o: In function `ast_vhub_std_hub_request':
> hub.c:(.text+0x5b0): undefined reference to `usb_gadget_get_string'

Thanks ! I hadn't realized these functions were part of an optional
library.

> Fixes: 7ecca2a4080c ("usb/gadget: Add driver for Aspeed SoC virtual hub")
> Signed-off-by: Arnd Bergmann <arnd@arndb.de>

Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>

> ---
>  drivers/usb/gadget/udc/aspeed-vhub/Kconfig | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/usb/gadget/udc/aspeed-vhub/Kconfig b/drivers/usb/gadget/udc/aspeed-vhub/Kconfig
> index f0cdf89b8503..83ba8a2eb6af 100644
> --- a/drivers/usb/gadget/udc/aspeed-vhub/Kconfig
> +++ b/drivers/usb/gadget/udc/aspeed-vhub/Kconfig
> @@ -2,6 +2,7 @@
>  config USB_ASPEED_VHUB
>  	tristate "Aspeed vHub UDC driver"
>  	depends on ARCH_ASPEED || COMPILE_TEST
> +	depends on USB_LIBCOMPOSITE
>  	help
>  	  USB peripheral controller for the Aspeed AST2500 family
>  	  SoCs supporting the "vHub" functionality and USB2.0
Felipe Balbi May 30, 2018, 12:29 p.m. | #2
Hi,

Arnd Bergmann <arnd@arndb.de> writes:
> Without that option, we run into a link failure:
>
> drivers/usb/gadget/udc/aspeed-vhub/hub.o: In function `ast_vhub_std_hub_request':
> hub.c:(.text+0x5b0): undefined reference to `usb_gadget_get_string'
>
> Fixes: 7ecca2a4080c ("usb/gadget: Add driver for Aspeed SoC virtual hub")
> Signed-off-by: Arnd Bergmann <arnd@arndb.de>

Acked-by: Felipe Balbi <felipe.balbi@linux.intel.com>
Benjamin Herrenschmidt June 12, 2018, 4:29 a.m. | #3
On Wed, 2018-05-30 at 15:29 +0300, Felipe Balbi wrote:
> Hi,
> 
> Arnd Bergmann <arnd@arndb.de> writes:
> > Without that option, we run into a link failure:
> > 
> > drivers/usb/gadget/udc/aspeed-vhub/hub.o: In function `ast_vhub_std_hub_request':
> > hub.c:(.text+0x5b0): undefined reference to `usb_gadget_get_string'
> > 
> > Fixes: 7ecca2a4080c ("usb/gadget: Add driver for Aspeed SoC virtual hub")
> > Signed-off-by: Arnd Bergmann <arnd@arndb.de>
> 
> Acked-by: Felipe Balbi <felipe.balbi@linux.intel.com>

Greg, can you send this to Linus asap ? Some people are hitting build
breakages upstream because of this.

Thanks !

Cheers,
Ben,
Randy Dunlap June 14, 2018, 8:20 p.m. | #4
On 06/11/2018 09:29 PM, Benjamin Herrenschmidt wrote:
> On Wed, 2018-05-30 at 15:29 +0300, Felipe Balbi wrote:
>> Hi,
>>
>> Arnd Bergmann <arnd@arndb.de> writes:
>>> Without that option, we run into a link failure:
>>>
>>> drivers/usb/gadget/udc/aspeed-vhub/hub.o: In function `ast_vhub_std_hub_request':
>>> hub.c:(.text+0x5b0): undefined reference to `usb_gadget_get_string'
>>>
>>> Fixes: 7ecca2a4080c ("usb/gadget: Add driver for Aspeed SoC virtual hub")
>>> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
>>
>> Acked-by: Felipe Balbi <felipe.balbi@linux.intel.com>
> 
> Greg, can you send this to Linus asap ? Some people are hitting build
> breakages upstream because of this.

Agreed.

> Thanks !

ditto.

Patch

diff --git a/drivers/usb/gadget/udc/aspeed-vhub/Kconfig b/drivers/usb/gadget/udc/aspeed-vhub/Kconfig
index f0cdf89b8503..83ba8a2eb6af 100644
--- a/drivers/usb/gadget/udc/aspeed-vhub/Kconfig
+++ b/drivers/usb/gadget/udc/aspeed-vhub/Kconfig
@@ -2,6 +2,7 @@ 
 config USB_ASPEED_VHUB
 	tristate "Aspeed vHub UDC driver"
 	depends on ARCH_ASPEED || COMPILE_TEST
+	depends on USB_LIBCOMPOSITE
 	help
 	  USB peripheral controller for the Aspeed AST2500 family
 	  SoCs supporting the "vHub" functionality and USB2.0