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Message-ID: <20240113162609.3e950ae8@jic23-huawei>
Date: Sat, 13 Jan 2024 16:26:09 +0000
From: Jonathan Cameron <jic23@...nel.org>
To: Randy Dunlap <rdunlap@...radead.org>
Cc: linux-kernel@...r.kernel.org, Andrea Merello <andrea.merello@....it>,
Lars-Peter Clausen <lars@...afoo.de>, linux-iio@...r.kernel.org
Subject: Re: [PATCH] iio: imu: bno055: serdev requires REGMAP
On Wed, 10 Jan 2024 10:56:11 -0800
Randy Dunlap <rdunlap@...radead.org> wrote:
> There are a ton of build errors when REGMAP is not set, so select
> REGMAP to fix all of them.
>
> Examples (not all of them):
>
> ../drivers/iio/imu/bno055/bno055_ser_core.c:495:15: error: variable 'bno055_ser_regmap_bus' has initializer but incomplete type
> 495 | static struct regmap_bus bno055_ser_regmap_bus = {
> ../drivers/iio/imu/bno055/bno055_ser_core.c:496:10: error: 'struct regmap_bus' has no member named 'write'
> 496 | .write = bno055_ser_write_reg,
> ../drivers/iio/imu/bno055/bno055_ser_core.c:497:10: error: 'struct regmap_bus' has no member named 'read'
> 497 | .read = bno055_ser_read_reg,
> ../drivers/iio/imu/bno055/bno055_ser_core.c: In function 'bno055_ser_probe':
> ../drivers/iio/imu/bno055/bno055_ser_core.c:532:18: error: implicit declaration of function 'devm_regmap_init'; did you mean 'vmem_map_init'? [-Werror=implicit-function-declaration]
> 532 | regmap = devm_regmap_init(&serdev->dev, &bno055_ser_regmap_bus,
> ../drivers/iio/imu/bno055/bno055_ser_core.c:532:16: warning: assignment to 'struct regmap *' from 'int' makes pointer from integer without a cast [-Wint-conversion]
> 532 | regmap = devm_regmap_init(&serdev->dev, &bno055_ser_regmap_bus,
> ../drivers/iio/imu/bno055/bno055_ser_core.c: At top level:
> ../drivers/iio/imu/bno055/bno055_ser_core.c:495:26: error: storage size of 'bno055_ser_regmap_bus' isn't known
> 495 | static struct regmap_bus bno055_ser_regmap_bus = {
>
> Fixes: 2eef5a9cc643 ("iio: imu: add BNO055 serdev driver")
> Signed-off-by: Randy Dunlap <rdunlap@...radead.org>
> Cc: Andrea Merello <andrea.merello@....it>
> Cc: Jonathan Cameron <jic23@...nel.org>
> Cc: Lars-Peter Clausen <lars@...afoo.de>
> Cc: linux-iio@...r.kernel.org
Applied to the fixes-togreg branch of iio.git and marked for stable.
Thanks,
Jonathan
> ---
> drivers/iio/imu/bno055/Kconfig | 1 +
> 1 file changed, 1 insertion(+)
>
> diff -- a/drivers/iio/imu/bno055/Kconfig b/drivers/iio/imu/bno055/Kconfig
> --- a/drivers/iio/imu/bno055/Kconfig
> +++ b/drivers/iio/imu/bno055/Kconfig
> @@ -8,6 +8,7 @@ config BOSCH_BNO055
> config BOSCH_BNO055_SERIAL
> tristate "Bosch BNO055 attached via UART"
> depends on SERIAL_DEV_BUS
> + select REGMAP
> select BOSCH_BNO055
> help
> Enable this to support Bosch BNO055 IMUs attached via UART.
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