linux-kernel - [PATCH AUTOSEL 4.4 16/65] thermal: allow spear-thermal driver to be a module

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Message-Id: <20181025141705.213937-16-sashal@kernel.org>
Date:   Thu, 25 Oct 2018 10:16:16 -0400
From:   Sasha Levin <sashal@...nel.org>
To:     stable@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:     Arnd Bergmann <arnd@...db.de>,
        Eduardo Valentin <edubezval@...il.com>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH AUTOSEL 4.4 16/65] thermal: allow spear-thermal driver to be a module

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

[ Upstream commit 4d2f1794c07aae55b8f25f4d8aebcafc0d3e501d ]

When the thermal subsystem is a loadable module, the spear driver
fails to build:

drivers/thermal/built-in.o: In function `spear_thermal_exit':
spear_thermal.c:(.text+0xf8): undefined reference to `thermal_zone_device_unregister'
drivers/thermal/built-in.o: In function `spear_thermal_probe':
spear_thermal.c:(.text+0x230): undefined reference to `thermal_zone_device_register'

This changes the symbol to a tristate, so Kconfig can track the
dependency correctly.

Signed-off-by: Arnd Bergmann <arnd@...db.de>
Signed-off-by: Eduardo Valentin <edubezval@...il.com>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/thermal/Kconfig | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/thermal/Kconfig b/drivers/thermal/Kconfig
index 4b660b5beb98..b556fa8250fc 100644
--- a/drivers/thermal/Kconfig
+++ b/drivers/thermal/Kconfig
@@ -195,7 +195,7 @@ config IMX_THERMAL
 	  passive trip is crossed.
 
 config SPEAR_THERMAL
-	bool "SPEAr thermal sensor driver"
+	tristate "SPEAr thermal sensor driver"
 	depends on PLAT_SPEAR || COMPILE_TEST
 	depends on OF
 	help
-- 
2.17.1