linux-kernel - [PATCH] imx: select SOC_BUS to fix firmware build

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Date:   Fri, 15 Jan 2021 19:32:59 -0800
From:   Randy Dunlap <rdunlap@...radead.org>
To:     linux-kernel@...r.kernel.org
Cc:     Randy Dunlap <rdunlap@...radead.org>,
        kernel test robot <lkp@...el.com>,
        Atish Patra <atish.patra@....com>,
        Palmer Dabbelt <palmerdabbelt@...gle.com>,
        Ard Biesheuvel <ardb@...nel.org>,
        Anson Huang <Anson.Huang@....com>,
        Daniel Baluta <daniel.baluta@....com>,
        Shawn Guo <shawnguo@...nel.org>,
        Dong Aisheng <aisheng.dong@....com>
Subject: [PATCH] imx: select SOC_BUS to fix firmware build

Fix build error in firmware/imx/ selecting SOC_BUS.

riscv32-linux-ld: drivers/firmware/imx/imx-scu-soc.o: in function `.L9':
imx-scu-soc.c:(.text+0x1b0): undefined reference to `soc_device_register'

Fixes: edbee095fafb ("firmware: imx: add SCU firmware driver support")
Signed-off-by: Randy Dunlap <rdunlap@...radead.org>
Reported-by: kernel test robot <lkp@...el.com>
Cc: Atish Patra <atish.patra@....com>
Cc: Palmer Dabbelt <palmerdabbelt@...gle.com>
Cc: Ard Biesheuvel <ardb@...nel.org>
Cc: Anson Huang <Anson.Huang@....com>
Cc: Daniel Baluta <daniel.baluta@....com>
Cc: Shawn Guo <shawnguo@...nel.org>
Cc: Dong Aisheng <aisheng.dong@....com>
---
 drivers/firmware/imx/Kconfig |    1 +
 1 file changed, 1 insertion(+)

--- linux-next-20210115.orig/drivers/firmware/imx/Kconfig
+++ linux-next-20210115/drivers/firmware/imx/Kconfig
@@ -13,6 +13,7 @@ config IMX_DSP
 config IMX_SCU
 	bool "IMX SCU Protocol driver"
 	depends on IMX_MBOX
+	select SOC_BUS
 	help
 	  The System Controller Firmware (SCFW) is a low-level system function
 	  which runs on a dedicated Cortex-M core to provide power, clock, and