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Subject[PATCH] arm64: tegra: add regulator dependency
Date
From: Arnd Bergmann <arnd@arndb.de>

The two regulator drivers in the drivers/soc/ directory fail to build
when regulator support is disabled:

aarch64-linux-ld: drivers/soc/tegra/regulators-tegra20.o: in function `tegra20_regulator_reboot':
regulators-tegra20.c:(.text.tegra20_regulator_reboot+0x4c): undefined reference to `regulator_sync_voltage_rdev'
aarch64-linux-ld: regulators-tegra20.c:(.text.tegra20_regulator_reboot+0x58): undefined reference to `regulator_sync_voltage_rdev'
aarch64-linux-ld: drivers/soc/tegra/regulators-tegra30.o: in function `tegra30_regulator_reboot':
regulators-tegra30.c:(.text.tegra30_regulator_reboot+0x44): undefined reference to `regulator_sync_voltage_rdev'
aarch64-linux-ld: regulators-tegra30.c:(.text.tegra30_regulator_reboot+0x50): undefined reference to `regulator_sync_voltage_rdev'

Add a Kconfig dependency to avoid this configuration.

Fixes: 496747e7d907 ("soc/tegra: regulators: Add regulators coupler for Tegra20")
Fixes: 783807436f36 ("soc/tegra: regulators: Add regulators coupler for Tegra30")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
---
drivers/soc/tegra/Kconfig | 2 ++
1 file changed, 2 insertions(+)

diff --git a/drivers/soc/tegra/Kconfig b/drivers/soc/tegra/Kconfig
index db49075b1946..c56122be27a9 100644
--- a/drivers/soc/tegra/Kconfig
+++ b/drivers/soc/tegra/Kconfig
@@ -153,8 +153,10 @@ config SOC_TEGRA_POWERGATE_BPMP

config SOC_TEGRA20_VOLTAGE_COUPLER
bool "Voltage scaling support for Tegra20 SoCs"
+ depends on REGULATOR
depends on ARCH_TEGRA_2x_SOC || COMPILE_TEST

config SOC_TEGRA30_VOLTAGE_COUPLER
bool "Voltage scaling support for Tegra30 SoCs"
+ depends on REGULATOR
depends on ARCH_TEGRA_3x_SOC || COMPILE_TEST
--
2.29.2
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