Hi,
On Sat, 2014-02-08 at 11:33 +0000, Laszlo Papp wrote:
> MAX6650/MAX6651 chip is a multi-function device with I2C busses. The
> chip includes fan-speed regulators and monitors, GPIO, and alarm.
>
> This patch is an initial release of a MAX6650/6651 MFD driver that
> supports to enable the chip with its primary I2C bus that will connect
> the hwmon, and then the gpio devices for now.
>
> Signed-off-by: Laszlo Papp <lp...@kde.org>
> ---
> drivers/mfd/Kconfig | 11 +++++
> drivers/mfd/Makefile | 1 +
> drivers/mfd/max665x.c | 88
> +++++++++++++++++++++++++++++++++++++
> include/linux/mfd/max665x-private.h | 42 ++++++++++++++++++
> 4 files changed, 142 insertions(+)
> create mode 100644 drivers/mfd/max665x.c
> create mode 100644 include/linux/mfd/max665x-private.h
>
> diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig
> index 49bb445..e25be62 100644
> --- a/drivers/mfd/Kconfig
> +++ b/drivers/mfd/Kconfig
> @@ -368,6 +368,17 @@ config MFD_MAX8907
> accessing the device; additional drivers must be enabled in order
> to use the functionality of the device.
>
> +config MFD_MAX665X
> + bool "Maxim Semiconductor MAX6650/MAX6651 Support"
> + select MFD_CORE
> + depends on I2C
> + select REGMAP_I2C
> + help
> + Say yes here to support for Maxim Semiconductor MAX6650/MAX6651. This
> is
> + a fan speed regulator and monitor IC. This driver provies common
> support
s/provies/provides/
(...)
> +const struct regmap_config max665x_regmap_config = {
> + .reg_bits = 5,
> +};
> +
> +static int max665x_probe(struct i2c_client *i2c,
> + const struct i2c_device_id *id)
> +{
> + struct max665x_dev *max665x;
> + int ret;
> +
> + max665x = devm_kzalloc(&i2c->dev, sizeof(*max665x), GFP_KERNEL);
> + if (!max665x)
> + return -ENOMEM;
> +
> + i2c_set_clientdata(i2c, max665x);
> + max665x->dev = &i2c->dev;
> + max665x->i2c = i2c;
> + max665x->map = regmap_init_i2c(i2c, &max665x_regmap_config);
Use devm_regmap_init_i2c() (or add missing regmap_exit()).
Best regards,
Krzysztof
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