linux-kernel - Re: [PATCH] firmware: qcom: scm: Add function stubs for ARM64

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Date:	Fri, 11 Sep 2015 18:56:49 +0100
From:	Russell King - ARM Linux <linux@....linux.org.uk>
To:	Andy Gross <agross@...eaurora.org>
Cc:	linux-arm-msm@...r.kernel.org, Mark Brown <broonie@...nel.org>,
	Stephen Boyd <sboyd@...eaurora.org>,
	linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH] firmware: qcom: scm: Add function stubs for ARM64

On Fri, Sep 11, 2015 at 12:50:56PM -0500, Andy Gross wrote:
> This patch adds stubs for the SCM functions exposed in the QCOM SCM API.
> 
> Signed-off-by: Andy Gross <agross@...eaurora.org>
> ---
>  drivers/firmware/Makefile      |    4 +++
>  drivers/firmware/qcom_scm-64.c |   63 ++++++++++++++++++++++++++++++++++++++++
>  2 files changed, 67 insertions(+)
>  create mode 100644 drivers/firmware/qcom_scm-64.c
> 
> diff --git a/drivers/firmware/Makefile b/drivers/firmware/Makefile
> index 4a4b897..2f810c2 100644
> --- a/drivers/firmware/Makefile
> +++ b/drivers/firmware/Makefile
> @@ -12,8 +12,12 @@ obj-$(CONFIG_ISCSI_IBFT_FIND)	+= iscsi_ibft_find.o
>  obj-$(CONFIG_ISCSI_IBFT)	+= iscsi_ibft.o
>  obj-$(CONFIG_FIRMWARE_MEMMAP)	+= memmap.o
>  obj-$(CONFIG_QCOM_SCM)		+= qcom_scm.o
> +ifdef CONFIG_ARM64
> +obj-$(CONFIG_QCOM_SCM)		+= qcom_scm-64.o
> +else
>  obj-$(CONFIG_QCOM_SCM)		+= qcom_scm-32.o
>  CFLAGS_qcom_scm-32.o :=$(call as-instr,.arch_extension sec,-DREQUIRES_SEC=1)
> +endif

Can we not start doing stuff like this.  Use the Kconfig to control what
you build, not the Makefile system.

config QCOM_SCM_32
	def_bool y
	depends on QCOM_SCM && ARM

config QCOM_SCM_64
	def_bool y
	depends on QCOM_SCM && ARM64

and then use those in the makefile.

-- 
FTTC broadband for 0.8mile line: currently at 9.6Mbps down 400kbps up
according to speedtest.net.
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