On 2015-12-13 03:33 PM, Paul Gortmaker wrote:
> In commit f309d4443130bf814e991f836e919dca22df37ae ("platform_device:
> better support builtin boilerplate avoidance") we introduced the
> builtin_driver macro.
>
> Here we use that support and extend it to I2C driver registration,
> so where a driver is clearly non-modular and builtin-only, we can
> register it in a similar fashion. And existing code that is clearly
> non-modular can be updated with the simple mapping of
>
> module_i2c_driver(...) ---> builtin_i2c_driver(...)
>
> We've essentially cloned the former to make the latter, and taken
> out the remove/module_exit parts since those never get used in a
> non-modular build of the code.
>
> A similar thing was done in commit b4eb6cdbbd13698704863f680c643c569909e1c2
> ("PCI: Add builtin_pci_driver() to avoid registration boilerplate").
>
> Cc: Wolfram Sang <wsa@xxxxxxxxxxxxx>
> Cc: Lee Jones <lee.jones@xxxxxxxxxx>
> Cc: Linus Walleij <linus.walleij@xxxxxxxxxx>
> Cc: Alexandre Courbot <gnurou@xxxxxxxxx>
> Cc: linux-gpio@xxxxxxxxxxxxxxx
> Cc: linux-i2c@xxxxxxxxxxxxxxx
> Signed-off-by: Paul Gortmaker <paul.gortmaker@xxxxxxxxxxxxx>
> ---
>
> [I've about 10 drivers/mfd and one drivers/gpio users of this in
> my personal testing queue, but obviously I can't submit those
> until builtin_i2c_driver makes it to mainline. Since there are
> no drivers/i2c users yet this change is sent to i2c on its own.]
Hi Wolfram,
Was wondering if this is still in consideration for 4.5, so as per
the above info, I can make use of it in MFD in 4.6 without worrying
about cross maintainer dependencies.
Thanks,
Paul.
--
>
> include/linux/i2c.h | 13 ++++++++++++-
> 1 file changed, 12 insertions(+), 1 deletion(-)
>
> diff --git a/include/linux/i2c.h b/include/linux/i2c.h
> index 768063baafbf..d3ca750bfcdf 100644
> --- a/include/linux/i2c.h
> +++ b/include/linux/i2c.h
> @@ -622,7 +622,7 @@ static inline int i2c_adapter_id(struct i2c_adapter *adap)
> }
>
> /**
> - * module_i2c_driver() - Helper macro for registering a I2C driver
> + * module_i2c_driver() - Helper macro for registering a modular I2C driver
> * @__i2c_driver: i2c_driver struct
> *
> * Helper macro for I2C drivers which do not do anything special in module
> @@ -633,6 +633,17 @@ static inline int i2c_adapter_id(struct i2c_adapter *adap)
> module_driver(__i2c_driver, i2c_add_driver, \
> i2c_del_driver)
>
> +/**
> + * builtin_i2c_driver() - Helper macro for registering a builtin I2C driver
> + * @__i2c_driver: i2c_driver struct
> + *
> + * Helper macro for I2C drivers which do not do anything special in their
> + * init. This eliminates a lot of boilerplate. Each driver may only
> + * use this macro once, and calling it replaces device_initcall().
> + */
> +#define builtin_i2c_driver(__i2c_driver) \
> + builtin_driver(__i2c_driver, i2c_add_driver)
> +
> #endif /* I2C */
>
> #if IS_ENABLED(CONFIG_OF)
>
--
To unsubscribe from this list: send the line "unsubscribe linux-i2c" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
