linux-kernel - [PATCH] thermal/drivers/qcom/lmh: make QCOM_LMH depends on QCOM

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Date:   Sat,  9 Oct 2021 09:58:53 +0800
From:   Jackie Liu <liu.yun@...ux.dev>
To:     daniel.lezcano@...aro.org
Cc:     rafael@...nel.org, linux-pm@...r.kernel.org,
        linux-kernel@...r.kernel.org, liu.yun@...ux.dev
Subject: [PATCH] thermal/drivers/qcom/lmh: make QCOM_LMH depends on QCOM_SCM

From: Jackie Liu <liuyun01@...inos.cn>

Without QCOM_SCM, build failed, avoid like below:

aarch64-linux-gnu-ld: Unexpected GOT/PLT entries detected!
aarch64-linux-gnu-ld: Unexpected run-time procedure linkages detected!
aarch64-linux-gnu-ld: drivers/thermal/qcom/lmh.o: in function `lmh_probe':
/data/arm/workspace/kernel-build/linux/build/../drivers/thermal/qcom/lmh.c:141: undefined reference to `qcom_scm_lmh_dcvsh_available'
aarch64-linux-gnu-ld: /data/arm/workspace/kernel-build/linux/build/../drivers/thermal/qcom/lmh.c:144: undefined reference to `qcom_scm_lmh_dcvsh'
aarch64-linux-gnu-ld: /data/arm/workspace/kernel-build/linux/build/../drivers/thermal/qcom/lmh.c:149: undefined reference to `qcom_scm_lmh_dcvsh'
aarch64-linux-gnu-ld: /data/arm/workspace/kernel-build/linux/build/../drivers/thermal/qcom/lmh.c:154: undefined reference to `qcom_scm_lmh_dcvsh'
aarch64-linux-gnu-ld: /data/arm/workspace/kernel-build/linux/build/../drivers/thermal/qcom/lmh.c:159: undefined reference to `qcom_scm_lmh_dcvsh'
aarch64-linux-gnu-ld: /data/arm/workspace/kernel-build/linux/build/../drivers/thermal/qcom/lmh.c:166: undefined reference to `qcom_scm_lmh_profile_change'
aarch64-linux-gnu-ld: /data/arm/workspace/kernel-build/linux/build/../drivers/thermal/qcom/lmh.c:173: undefined reference to `qcom_scm_lmh_dcvsh'
aarch64-linux-gnu-ld: /data/arm/workspace/kernel-build/linux/build/../drivers/thermal/qcom/lmh.c:180: undefined reference to `qcom_scm_lmh_dcvsh'
aarch64-linux-gnu-ld: /data/arm/workspace/kernel-build/linux/build/../drivers/thermal/qcom/lmh.c:187: undefined reference to `qcom_scm_lmh_dcvsh'
make[1]: *** [/data/arm/workspace/kernel-build/linux/Makefile:1183: vmlinux] Error 1
make[1]: Leaving directory '/data/arm/workspace/kernel-build/linux/build'
make: *** [Makefile:219: __sub-make] Error 2
make: Leaving directory '/data/arm/workspace/kernel-build/linux'

Fixes: 53bca371cdf7 ("thermal/drivers/qcom: Add support for LMh driver")
Signed-off-by: Jackie Liu <liuyun01@...inos.cn>
---
 drivers/thermal/qcom/Kconfig | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/thermal/qcom/Kconfig b/drivers/thermal/qcom/Kconfig
index 7d942f71e532..bfd889422dd3 100644
--- a/drivers/thermal/qcom/Kconfig
+++ b/drivers/thermal/qcom/Kconfig
@@ -34,7 +34,7 @@ config QCOM_SPMI_TEMP_ALARM

 config QCOM_LMH
 	tristate "Qualcomm Limits Management Hardware"
-	depends on ARCH_QCOM
+	depends on ARCH_QCOM && QCOM_SCM
 	help
 	  This enables initialization of Qualcomm limits management
 	  hardware(LMh). LMh allows for hardware-enforced mitigation for cpus based on
-- 
2.25.1