From: Arnd Bergmann <arnd@arndb.de>

Without this, the driver fails to build:

ld: drivers/firmware/thead,th1520-aon.o: in function `th1520_aon_call_rpc':
thead,th1520-aon.c:(.text+0x28): undefined reference to `mbox_send_message'
ld: drivers/firmware/thead,th1520-aon.o: in function `th1520_aon_deinit':
thead,th1520-aon.c:(.text+0x17e): undefined reference to `mbox_free_channel'
ld: drivers/firmware/thead,th1520-aon.o: in function `th1520_aon_init':
thead,th1520-aon.c:(.text+0x1d9): undefined reference to `mbox_request_channel_byname'

Fixes: e4b3cbd840e5 ("firmware: thead: Add AON firmware protocol driver")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
---
 drivers/firmware/Kconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/firmware/Kconfig b/drivers/firmware/Kconfig
index 42e3dd1c387a..6ab9f7ca7ff1 100644
--- a/drivers/firmware/Kconfig
+++ b/drivers/firmware/Kconfig
@@ -239,6 +239,7 @@ config SYSFB_SIMPLEFB
 config TH1520_AON_PROTOCOL
 	tristate "Always-On firmware protocol"
 	depends on ARCH_THEAD || COMPILE_TEST
+	depends on MAILBOX
 	help
 	  Power, clock, and resource management capabilities on the TH1520 SoC are
 	  managed by the E902 core. Firmware running on this core communicates with
-- 
2.39.5

On Fri, 14 Mar 2025 at 16:48, Arnd Bergmann <arnd@kernel.org> wrote:
>
> From: Arnd Bergmann <arnd@arndb.de>
>
> Without this, the driver fails to build:
>
> ld: drivers/firmware/thead,th1520-aon.o: in function `th1520_aon_call_rpc':
> thead,th1520-aon.c:(.text+0x28): undefined reference to `mbox_send_message'
> ld: drivers/firmware/thead,th1520-aon.o: in function `th1520_aon_deinit':
> thead,th1520-aon.c:(.text+0x17e): undefined reference to `mbox_free_channel'
> ld: drivers/firmware/thead,th1520-aon.o: in function `th1520_aon_init':
> thead,th1520-aon.c:(.text+0x1d9): undefined reference to `mbox_request_channel_byname'
>
> Fixes: e4b3cbd840e5 ("firmware: thead: Add AON firmware protocol driver")
> Signed-off-by: Arnd Bergmann <arnd@arndb.de>

Applied for next, thanks!

Kind regards
Uffe

> ---
>  drivers/firmware/Kconfig | 1 +
>  1 file changed, 1 insertion(+)
>
> diff --git a/drivers/firmware/Kconfig b/drivers/firmware/Kconfig
> index 42e3dd1c387a..6ab9f7ca7ff1 100644
> --- a/drivers/firmware/Kconfig
> +++ b/drivers/firmware/Kconfig
> @@ -239,6 +239,7 @@ config SYSFB_SIMPLEFB
>  config TH1520_AON_PROTOCOL
>         tristate "Always-On firmware protocol"
>         depends on ARCH_THEAD || COMPILE_TEST
> +       depends on MAILBOX
>         help
>           Power, clock, and resource management capabilities on the TH1520 SoC are
>           managed by the E902 core. Firmware running on this core communicates with
> --
> 2.39.5
>

On 3/14/25 16:48, Arnd Bergmann wrote:
> From: Arnd Bergmann <arnd@arndb.de>
> 
> Without this, the driver fails to build:
> 
> ld: drivers/firmware/thead,th1520-aon.o: in function `th1520_aon_call_rpc':
> thead,th1520-aon.c:(.text+0x28): undefined reference to `mbox_send_message'
> ld: drivers/firmware/thead,th1520-aon.o: in function `th1520_aon_deinit':
> thead,th1520-aon.c:(.text+0x17e): undefined reference to `mbox_free_channel'
> ld: drivers/firmware/thead,th1520-aon.o: in function `th1520_aon_init':
> thead,th1520-aon.c:(.text+0x1d9): undefined reference to `mbox_request_channel_byname'
> 
> Fixes: e4b3cbd840e5 ("firmware: thead: Add AON firmware protocol driver")
> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
> ---
>  drivers/firmware/Kconfig | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/firmware/Kconfig b/drivers/firmware/Kconfig
> index 42e3dd1c387a..6ab9f7ca7ff1 100644
> --- a/drivers/firmware/Kconfig
> +++ b/drivers/firmware/Kconfig
> @@ -239,6 +239,7 @@ config SYSFB_SIMPLEFB
>  config TH1520_AON_PROTOCOL
>  	tristate "Always-On firmware protocol"
>  	depends on ARCH_THEAD || COMPILE_TEST
> +	depends on MAILBOX
>  	help
>  	  Power, clock, and resource management capabilities on the TH1520 SoC are
>  	  managed by the E902 core. Firmware running on this core communicates with

Thanks, looks good shouldn't have missed that.

Reviewed-by: Michal Wilczynski <m.wilczynski@samsung.com>