linux-kernel - [PATCH] iio: imu: st_lsm6dsx: don't always auto-enable I2C, I3C and SPI interface drivers

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Message-Id: <20241203-lsm6dsx-v1-1-6d7893443bc8@geanix.com>
Date: Tue, 03 Dec 2024 08:20:17 +0100
From: Sean Nyekjaer <sean@...nix.com>
To: Lorenzo Bianconi <lorenzo@...nel.org>, 
 Jonathan Cameron <jic23@...nel.org>, Lars-Peter Clausen <lars@...afoo.de>
Cc: linux-iio@...r.kernel.org, linux-kernel@...r.kernel.org, 
 Sean Nyekjaer <sean@...nix.com>
Subject: [PATCH] iio: imu: st_lsm6dsx: don't always auto-enable I2C, I3C
 and SPI interface drivers

This patch makes I2C, I3C and SPI interface drivers for ST lsm6dsx
individually selectable via Kconfig.

The default is kept unchanged - I2C, I3C and SPI interface drivers are
still selected by default if the corresponding bus support is available.

However, the patch makes it possible to explicitly disable drivers
that are not needed for a particular target.

Signed-off-by: Sean Nyekjaer <sean@...nix.com>
---
 drivers/iio/imu/st_lsm6dsx/Kconfig | 18 +++++++++---------
 1 file changed, 9 insertions(+), 9 deletions(-)

diff --git a/drivers/iio/imu/st_lsm6dsx/Kconfig b/drivers/iio/imu/st_lsm6dsx/Kconfig
index 89d687ec3099cc3ecb848e44f610c5cd64c80ad1..3cabec3b152d21403b40668a20ca7d175109a79e 100644
--- a/drivers/iio/imu/st_lsm6dsx/Kconfig
+++ b/drivers/iio/imu/st_lsm6dsx/Kconfig
@@ -6,9 +6,6 @@ config IIO_ST_LSM6DSX
 	select IIO_BUFFER
 	select IIO_TRIGGERED_BUFFER
 	select IIO_KFIFO_BUF
-	select IIO_ST_LSM6DSX_I2C if (I2C)
-	select IIO_ST_LSM6DSX_SPI if (SPI_MASTER)
-	select IIO_ST_LSM6DSX_I3C if (I3C)
 	help
 	  Say yes here to build support for STMicroelectronics LSM6DSx imu
 	  sensor.
@@ -42,16 +39,19 @@ config IIO_ST_LSM6DSX
 	  will be called st_lsm6dsx.
 
 config IIO_ST_LSM6DSX_I2C
-	tristate
-	depends on IIO_ST_LSM6DSX
+	tristate "ST_LSM6DSx driver for STM 6-axis IMU MEMS sensors I2C Interface"
+	depends on I2C && IIO_ST_LSM6DSX
+	default I2C && IIO_ST_LSM6DSX
 	select REGMAP_I2C
 
 config IIO_ST_LSM6DSX_SPI
-	tristate
-	depends on IIO_ST_LSM6DSX
+	tristate "ST_LSM6DSx driver for STM 6-axis IMU MEMS sensors SPI Interface"
+	depends on SPI_MASTER && IIO_ST_LSM6DSX
+	default SPI_MASTER && IIO_ST_LSM6DSX
 	select REGMAP_SPI
 
 config IIO_ST_LSM6DSX_I3C
-	tristate
-	depends on IIO_ST_LSM6DSX
+	tristate "ST_LSM6DSx driver for STM 6-axis IMU MEMS sensors I3C Interface"
+	depends on I3C && IIO_ST_LSM6DSX
+	default I3C && IIO_ST_LSM6DSX
 	select REGMAP_I3C

---
base-commit: 4ecd1edf4994bc5385609c6ea9e599b4ee958706
change-id: 20241202-lsm6dsx-585182084202

Best regards,
-- 
Sean Nyekjaer <sean@...nix.com>