linux-kernel - [PATCH] clk: imx: fix build failure on i.MX SCU clk

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Date:   Fri,  4 Dec 2020 00:07:52 +0100
From:   Arnd Bergmann <arnd@...nel.org>
To:     Michael Turquette <mturquette@...libre.com>,
        Stephen Boyd <sboyd@...nel.org>,
        Shawn Guo <shawnguo@...nel.org>,
        Sascha Hauer <s.hauer@...gutronix.de>,
        Anson Huang <Anson.Huang@....com>
Cc:     Arnd Bergmann <arnd@...db.de>,
        Anders Roxell <anders.roxell@...aro.org>,
        Pengutronix Kernel Team <kernel@...gutronix.de>,
        Fabio Estevam <festevam@...il.com>,
        NXP Linux Team <linux-imx@....com>,
        Dong Aisheng <aisheng.dong@....com>,
        Peng Fan <peng.fan@....com>, linux-clk@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: [PATCH] clk: imx: fix build failure on i.MX SCU clk

From: Arnd Bergmann <arnd@...db.de>

When CONFIG_MXC_CLK_SCU is enabled, but CONFIG_CLK_IMX8QXP is not,
the kernel fails to link with:

aarch64-linux-ld: no input files
make[5]: *** [scripts/Makefile.build:434: drivers/clk/imx/clk-imx-scu.o] Error 1
aarch64-linux-ld: no input files
make[5]: *** [scripts/Makefile.build:434: drivers/clk/imx/clk-imx-lpcg-scu.o] Error 1

The only sensible configuration at the moment is to have both mean
the same thing, so make hide the first one to avoid broken
configurations.

Fixes: e0d0d4d86c76 ("clk: imx8qxp: Support building i.MX8QXP clock driver as module")
Reported-by: Anders Roxell <anders.roxell@...aro.org>
Signed-off-by: Arnd Bergmann <arnd@...db.de>
---
 drivers/clk/imx/Kconfig | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/clk/imx/Kconfig b/drivers/clk/imx/Kconfig
index 3b393cb07295..47d9ec3abd2f 100644
--- a/drivers/clk/imx/Kconfig
+++ b/drivers/clk/imx/Kconfig
@@ -5,9 +5,7 @@ config MXC_CLK
 	depends on ARCH_MXC || COMPILE_TEST
 
 config MXC_CLK_SCU
-	tristate "IMX SCU clock"
-	depends on ARCH_MXC || COMPILE_TEST
-	depends on IMX_SCU && HAVE_ARM_SMCCC
+	tristate
 
 config CLK_IMX1
 	def_bool SOC_IMX1
-- 
2.27.0