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

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Message-ID: <20210610160903.GB34238@p14s>
Date:   Thu, 10 Jun 2021 10:09:03 -0600
From:   Mathieu Poirier <mathieu.poirier@...aro.org>
To:     "Peng Fan (OSS)" <peng.fan@....nxp.com>
Cc:     ohad@...ery.com, bjorn.andersson@...aro.org,
        o.rempel@...gutronix.de, 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: Re: [PATCH] remoteproc: imx-rproc: Fix IMX_REMOTEPROC configuration

On Thu, Jun 10, 2021 at 11:15:30AM +0800, Peng Fan (OSS) wrote:
> 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(+)

Next time please add:

Fixes: 79806d32d5aa ("remoteproc: imx_rproc: support i.MX8MN/P")

Reviewed-by: Mathieu Poirier <mathieu.poirier@...aro.org>

> 
> 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
>