linux-kernel - [PATCH] remoteproc: imx-rproc: Fix IMX

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Date:   Thu, 10 Jun 2021 11:15:30 +0800
From:   "Peng Fan (OSS)" <peng.fan@....nxp.com>
To:     ohad@...ery.com, bjorn.andersson@...aro.org,
        mathieu.poirier@...aro.org, o.rempel@...gutronix.de
Cc:     shawnguo@...nel.org, s.hauer@...gutronix.de, kernel@...gutronix.de,
        festevam@...il.com, linux-imx@....com,
        linux-remoteproc@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        Peng Fan <peng.fan@....com>, kernel test robot <lkp@...el.com>
Subject: [PATCH] remoteproc: imx-rproc: Fix IMX_REMOTEPROC configuration

From: Peng Fan <peng.fan@....com>

When CONFIG_IMX_REMOTEPROC is y and CONFIG_HAVE_ARM_SMCCC
is not set, compiling errors are encountered as follows:

drivers/remoteproc/imx_rproc.o: in function `imx_rproc_stop':
imx_rproc.c:(.text+0x140): undefined reference to `__arm_smccc_smc'
drivers/remoteproc/imx_rproc.o: in function `imx_rproc_detect_mode':
imx_rproc.c:(.text+0x272): undefined reference to `__arm_smccc_smc'
drivers/remoteproc/imx_rproc.o: in function `imx_rproc_start':
imx_rproc.c:(.text+0x5e0): undefined reference to `__arm_smccc_smc'

__arm_smccc_smc is defined when HAVE_ARM_SMCCC is y, so
add dependency on HAVE_ARM_SMCCC in IMX_REMOTEPROC configuration.

Reported-by: kernel test robot <lkp@...el.com>
Signed-off-by: Peng Fan <peng.fan@....com>
---
 drivers/remoteproc/Kconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/remoteproc/Kconfig b/drivers/remoteproc/Kconfig
index e68fcedc999c..9a6eedc3994a 100644
--- a/drivers/remoteproc/Kconfig
+++ b/drivers/remoteproc/Kconfig
@@ -26,6 +26,7 @@ config REMOTEPROC_CDEV
 config IMX_REMOTEPROC
 	tristate "i.MX remoteproc support"
 	depends on ARCH_MXC
+	depends on HAVE_ARM_SMCCC
 	select MAILBOX
 	help
 	  Say y here to support iMX's remote processors via the remote
-- 
2.30.0