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[2/2] i2c: I2C_MLXCPLD on ARM64 should depend on ACPI

Message ID 71c8d6d8c2c7ef31040ff5a0266cde0a6b3cd189.1693828363.git.geert+renesas@glider.be
State New
Headers show
Series Restrict Mellanox platform and i2c dependencies | expand

Commit Message

Geert Uytterhoeven Sept. 4, 2023, noon UTC
The "i2c_mlxcpld" platform device is only instantiated on X86 systems
(through drivers/platform/x86/mlx-platform.c), or on ARM64 systems with
ACPI (through drivers/platform/mellanox/nvsw-sn2201.c).  Hence further
restrict the dependency on ARM64 to ACPI, to prevent asking the user
about this driver when configuring an ARM64 kernel without ACPI support.

While at it, document in the Kconfig help text that the driver supports
ARM64/ACPI based systems, too.

Fixes: d7cf993f832ad2a4 ("i2c: mlxcpld: Allow driver to run on ARM64 architecture")
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
---
 drivers/i2c/busses/Kconfig | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

Comments

Andi Shyti Sept. 5, 2023, 11:04 p.m. UTC | #1
Hi Geert,

On Mon, Sep 04, 2023 at 02:00:36PM +0200, Geert Uytterhoeven wrote:
> The "i2c_mlxcpld" platform device is only instantiated on X86 systems
> (through drivers/platform/x86/mlx-platform.c), or on ARM64 systems with
> ACPI (through drivers/platform/mellanox/nvsw-sn2201.c).  Hence further
> restrict the dependency on ARM64 to ACPI, to prevent asking the user
> about this driver when configuring an ARM64 kernel without ACPI support.
> 
> While at it, document in the Kconfig help text that the driver supports
> ARM64/ACPI based systems, too.
> 
> Fixes: d7cf993f832ad2a4 ("i2c: mlxcpld: Allow driver to run on ARM64 architecture")

I'd remove the fixes tag here, as well.

> Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>

Acked-by: Andi Shyti <andi.shyti@kernel.org> 

Andi
Wolfram Sang Sept. 13, 2023, 8:57 a.m. UTC | #2
On Mon, Sep 04, 2023 at 02:00:36PM +0200, Geert Uytterhoeven wrote:
> The "i2c_mlxcpld" platform device is only instantiated on X86 systems
> (through drivers/platform/x86/mlx-platform.c), or on ARM64 systems with
> ACPI (through drivers/platform/mellanox/nvsw-sn2201.c).  Hence further
> restrict the dependency on ARM64 to ACPI, to prevent asking the user
> about this driver when configuring an ARM64 kernel without ACPI support.
> 
> While at it, document in the Kconfig help text that the driver supports
> ARM64/ACPI based systems, too.
> 
> Fixes: d7cf993f832ad2a4 ("i2c: mlxcpld: Allow driver to run on ARM64 architecture")
> Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>

Removed Fixes tag and applied to for-current, thanks!
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Patch

diff --git a/drivers/i2c/busses/Kconfig b/drivers/i2c/busses/Kconfig
index 0aa97762332d8a87..bef2af50fb159baf 100644
--- a/drivers/i2c/busses/Kconfig
+++ b/drivers/i2c/busses/Kconfig
@@ -1391,10 +1391,10 @@  config I2C_ICY
 
 config I2C_MLXCPLD
 	tristate "Mellanox I2C driver"
-	depends on X86_64 || ARM64 || COMPILE_TEST
+	depends on X86_64 || (ARM64 && ACPI) || COMPILE_TEST
 	help
 	  This exposes the Mellanox platform I2C busses to the linux I2C layer
-	  for X86 based systems.
+	  for X86 and ARM64/ACPI based systems.
 	  Controller is implemented as CPLD logic.
 
 	  This driver can also be built as a module. If so, the module will be