linux-kernel - [PATCH] soc: qcom: QCOM_RPMH fix build with modular QCOM

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Date:   Tue, 27 Oct 2020 12:14:22 +0100
From:   Anders Roxell <anders.roxell@...aro.org>
To:     agross@...nel.org, bjorn.andersson@...aro.org
Cc:     linux-arm-msm@...r.kernel.org, linux-kernel@...r.kernel.org,
        Anders Roxell <anders.roxell@...aro.org>
Subject: [PATCH] soc: qcom: QCOM_RPMH fix build with modular QCOM_RPMH

When building allmodconfig leading to the following link error with
CONFIG_QCOM_RPMH=y and CONFIG_QCOM_COMMAND_DB=m:

aarch64-linux-gnu-ld: drivers/clk/qcom/clk-rpmh.o: in function `clk_rpmh_probe':
  drivers/clk/qcom/clk-rpmh.c:474: undefined reference to `cmd_db_read_addr'
  drivers/clk/qcom/clk-rpmh.c:474:(.text+0x254): relocation truncated to fit: R_AARCH64_CALL26 against undefined symbol `cmd_db_read_addr'

Fix this by adding a Kconfig depenency and forcing QCOM_RPMH to be a
module when QCOM_COMMAND_DB is a module. Also removing the dependency on
'ARCH_QCOM || COMPILE_TEST' since that is already a dependency for
QCOM_COMMAND_DB.

Fixes: 778279f4f5e4 ("soc: qcom: cmd-db: allow loading as a module")
Signed-off-by: Anders Roxell <anders.roxell@...aro.org>
---
 drivers/soc/qcom/Kconfig | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/soc/qcom/Kconfig b/drivers/soc/qcom/Kconfig
index 9b4ae9c16ba7..3bdd1604f78f 100644
--- a/drivers/soc/qcom/Kconfig
+++ b/drivers/soc/qcom/Kconfig
@@ -109,7 +109,7 @@ config QCOM_RMTFS_MEM
 
 config QCOM_RPMH
 	tristate "Qualcomm RPM-Hardened (RPMH) Communication"
-	depends on ARCH_QCOM || COMPILE_TEST
+	depends on QCOM_COMMAND_DB
 	help
 	  Support for communication with the hardened-RPM blocks in
 	  Qualcomm Technologies Inc (QTI) SoCs. RPMH communication uses an
-- 
2.28.0