Hi,
* Pantelis Antoniou <panto@xxxxxxxxxxxxxxxxxxxxxxx> [120918 11:13]:
> When using pinctrl-single to handle i2c initialization, it has
> to be done early.
> On the beaglebone the regulator is connected to the i2c0 bus,
> and for sure that's the case for many other am33xx boards.
Usually it's better to initialize things later than earlier as
that cuts down nasty dependencies and let's us have a proper
debug console before we start initializing things beyond
interrupts and drivers.
Maybe just fix up the i2c-omap.c not to use subsys_initcall()?
And then deferred probe should be able to sort out the dependencies
for other drivers depending on i2c?
Regards,
Tony
> Signed-off-by: Pantelis Antoniou <panto@xxxxxxxxxxxxxxxxxxxxxxx>
> ---
> drivers/pinctrl/pinctrl-single.c | 12 +++++++++++-
> 1 file changed, 11 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/pinctrl/pinctrl-single.c b/drivers/pinctrl/pinctrl-single.c
> index 76a4260..3acf7f9 100644
> --- a/drivers/pinctrl/pinctrl-single.c
> +++ b/drivers/pinctrl/pinctrl-single.c
> @@ -980,7 +980,17 @@ static struct platform_driver pcs_driver = {
> },
> };
>
> -module_platform_driver(pcs_driver);
> +static int __init pcs_init(void)
> +{
> + return platform_driver_register(&pcs_driver);
> +}
> +postcore_initcall(pcs_init);
> +
> +static void __exit pcs_exit(void)
> +{
> + platform_driver_unregister(&pcs_driver);
> +}
> +module_exit(pcs_exit);
>
> MODULE_AUTHOR("Tony Lindgren <tony@xxxxxxxxxxx>");
> MODULE_DESCRIPTION("One-register-per-pin type device tree based pinctrl driver");
> --
> 1.7.12
>
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