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Wed, 12 Nov 2025 17:06:47 -0500 From: Jorge Marques Date: Wed, 12 Nov 2025 23:06:38 +0100 Subject: [PATCH v2] iio: accel: Change adxl345 depend to negate adxl35x Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-ID: <20251112-adxl345-allow-adxl34x-mod-v2-1-5b1561eae5a0@analog.com> X-B4-Tracking: v=1; b=H4sIAO0EFWkC/43NQQ6CMBAF0KuQWTuGAYrgynsYFu20QpNCSWsQQ 7i7lXgAl+8n//8NognWRLhmGwSz2Gj9lFCcMuBBTr1Bq5OhyAtBeUko9erKSqB0zr9+WnH0Ghs uFRErUXENqT8H87DrsX3vkgcbnz68j6uFvuk/qwshIetaXKpWyablm5yk8/2Z/Qjdvu8fmNrAG 8MAAAA= X-Change-ID: 20251031-adxl345-allow-adxl34x-mod-8c3b11cb54c6 To: Jonathan Cameron , David Lechner , =?utf-8?q?Nuno_S=C3=A1?= , "Andy Shevchenko" CC: , , , Jorge Marques X-Mailer: b4 0.14.3 X-Developer-Signature: v=1; a=ed25519-sha256; t=1762985205; l=2855; i=jorge.marques@analog.com; s=20250303; h=from:subject:message-id; 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The user then can use the blacklist to block loading one. Signed-off-by: Jorge Marques --- There are two drivers for the compatible: - adi,adxl345 * IIO:=20 drivers/iio/accel/adxl345_core.c drivers/iio/accel/adxl345_spi.c drivers/iio/accel/adxl345_i2c.c * Inputs: drivers/input/misc/adxl34x-spi.c drivers/input/misc/adxl34x-i2c.c To disallows both being complied, the depends INPUT_ADXL34X=3Dn was added to ADXL345 symbols. However, it should be possible to compile both as modules, then blacklist one of them in the /etc/modprobe.d/blacklis= t.conf file. This patch changes the rule to !(INPUT_ADXL34X) to allow both as modules, but still disallow INPUT_ADXL34X to be built-in and ADXL345 as module. The following compatibles are not shared between both drivers: * IIO: adi,adxl375 spi/i2c * Inputs: adi,adxl34x i2c --- Changes in v2: - Added warning to Kconfig for users to not add both to the kernel. A similar patch will be sent to the input subsystem. - Link to v1: https://lore.kernel.org/r/20251031-adxl345-allow-adxl34x-mod-= v1-1-cd65749ba89c@analog.com --- drivers/iio/accel/Kconfig | 10 ++++++---- 1 file changed, 6 insertions(+), 4 deletions(-) diff --git a/drivers/iio/accel/Kconfig b/drivers/iio/accel/Kconfig index 76911278fb217..3d3f8d8673dde 100644 --- a/drivers/iio/accel/Kconfig +++ b/drivers/iio/accel/Kconfig @@ -64,7 +64,7 @@ config ADXL345 =20 config ADXL345_I2C tristate "Analog Devices ADXL345 3-Axis Digital Accelerometer I2C Driver" - depends on INPUT_ADXL34X=3Dn + depends on !INPUT_ADXL34X depends on I2C select ADXL345 select REGMAP_I2C @@ -74,11 +74,12 @@ config ADXL345_I2C =20 To compile this driver as a module, choose M here: the module will be called adxl345_i2c and you will also get adxl345_core - for the core module. + for the core module. INPUT_ADXL34X share compatibles with this + driver, do not add both modules to the kernel. =20 config ADXL345_SPI tristate "Analog Devices ADXL345 3-Axis Digital Accelerometer SPI Driver" - depends on INPUT_ADXL34X=3Dn + depends on !INPUT_ADXL34X depends on SPI select ADXL345 select REGMAP_SPI @@ -88,7 +89,8 @@ config ADXL345_SPI =20 To compile this driver as a module, choose M here: the module will be called adxl345_spi and you will also get adxl345_core - for the core module. + for the core module. INPUT_ADXL34X share compatibles with this + driver, do not add both modules to the kernel. =20 config ADXL355 tristate --- base-commit: 70437bbd7529e9860fb7f0c92a89e0e6abaa994e change-id: 20251031-adxl345-allow-adxl34x-mod-8c3b11cb54c6 Best regards, --=20 Jorge Marques