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arm64: tegra: add regulator dependency

PATCH In review Arnd Bergmann 2 participants 3 messages Jul 21, 2021 Tegra architecture support

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PATCH 1/1 arm64: tegra: add regulator dependency

From: Arnd Bergmann <[email protected]>

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")
---
 drivers/soc/tegra/Kconfig | 2 ++
 1 file changed, 2 insertions(+)
drivers/soc/tegra/Kconfig +2 -0
index db49075b1946..c56122be27a9 100644
@@ -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
Signature · 1 line
2.29.2
#1 lore raw

21.07.2021 18:14, Arnd Bergmann пишет:

Quoted 27 lines

From: Arnd Bergmann <[email protected]>

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")
---
 drivers/soc/tegra/Kconfig | 2 ++
 1 file changed, 2 insertions(+)
drivers/soc/tegra/Kconfig +0 -0
index db49075b1946..c56122be27a9 100644

drivers/soc/tegra/Kconfig config SOC_TEGRA_POWERGATE_BPMP · line 162

Quoted 10 lines
drivers/soc/tegra/Kconfig +2 -0
@@ -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

Hello Arnd,

Thank you for the patch!

I also sent out the fix [1] about a month ago and was trying to ping Thierry. Unfortunately there was no reaction so far and now Thierry is on vacation.

[1]
https://patchwork.ozlabs.org/project/linux-tegra/patch/[email protected]/

It looks like my variant of the fix should be a bit more correct since it won't build the regulator drivers if both TEGRA=n and REGULATOR=n.

I guess it should be fine if you could take the patch directly, perhaps Jon could ack the patch for that. Otherwise we could wait for Thierry to return.

#2 lore raw
Quoted 11 lines · Dmitry Osipenko

21.07.2021 18:14, Arnd Bergmann пишет:

[1]
https://patchwork.ozlabs.org/project/linux-tegra/patch/[email protected]/

It looks like my variant of the fix should be a bit more correct since it won't build the regulator drivers if both TEGRA=n and REGULATOR=n.

I guess it should be fine if you could take the patch directly, perhaps Jon could ack the patch for that. Otherwise we could wait for Thierry to return.

Sounds good to me. Please send your patch to [email protected] (with everyone on Cc) so it lands in our patchwork, and if Jon or Thierry acks it that makes it there as well.

Arnd