Nishanth Menon schreef op di 03-03-2015 om 18:00 [-0600]:
> diff --git a/drivers/pinctrl/Kconfig b/drivers/pinctrl/Kconfig
> index ee9f44ad7f02..8e463d75fbb2 100644
> --- a/drivers/pinctrl/Kconfig
> +++ b/drivers/pinctrl/Kconfig
> @@ -160,6 +160,17 @@ config PINCTRL_TEGRA_XUSB
> select PINCONF
> select PINMUX
>
> +config PINCTRL_TI_IODELAY
> + bool "TI IODelay Module pinconf driver"
This adds a boolean Kconfig symbol.
> + depends on OF
> + select PINCONF
> + select GENERIC_PINCONF
> + select REGMAP_MMIO
> + help
> + Say Y here to support Texas Instruments' IODelay pinconf driver.
> + IODelay module is used for the DRA7 SoC family. This driver is in
> + addition to PINCTRL_SINGLE which controls the mux.
> +
> config PINCTRL_TZ1090
> bool "Toumaz Xenif TZ1090 pin control driver"
> depends on SOC_TZ1090
> diff --git a/drivers/pinctrl/Makefile b/drivers/pinctrl/Makefile
> index 0475206dd600..e441cd71aedf 100644
> --- a/drivers/pinctrl/Makefile
> +++ b/drivers/pinctrl/Makefile
> @@ -28,6 +28,7 @@ obj-$(CONFIG_PINCTRL_TEGRA30) += pinctrl-tegra30.o
> obj-$(CONFIG_PINCTRL_TEGRA114) += pinctrl-tegra114.o
> obj-$(CONFIG_PINCTRL_TEGRA124) += pinctrl-tegra124.o
> obj-$(CONFIG_PINCTRL_TEGRA_XUSB) += pinctrl-tegra-xusb.o
> +obj-$(CONFIG_PINCTRL_TI_IODELAY) += pinctrl-ti-iodelay.o
So this objectfile will either be built-in or not be built at all.
> obj-$(CONFIG_PINCTRL_TZ1090) += pinctrl-tz1090.o
> obj-$(CONFIG_PINCTRL_TZ1090_PDC) += pinctrl-tz1090-pdc.o
> obj-$(CONFIG_PINCTRL_U300) += pinctrl-u300.o
> diff --git a/drivers/pinctrl/pinctrl-ti-iodelay.c b/drivers/pinctrl/pinctrl-ti-iodelay.c
> new file mode 100644
> index 000000000000..e4c6e25a781c
> --- /dev/null
> +++ b/drivers/pinctrl/pinctrl-ti-iodelay.c
> @@ -0,0 +1,963 @@
>[...]
> +#include <linux/err.h>
> +#include <linux/init.h>
> +#include <linux/io.h>
> +#include <linux/list.h>
> +#include <linux/module.h>
This is, I think, a bit of a red flag.
> +#include <linux/of_device.h>
> +#include <linux/of.h>
> +#include <linux/pinctrl/pinconf-generic.h>
> +#include <linux/pinctrl/pinconf.h>
> +#include <linux/pinctrl/pinctrl.h>
> +#include <linux/regmap.h>
> +#include <linux/slab.h>
[...]
> +static const struct of_device_id ti_iodelay_of_match[] = {
> + {.compatible = "ti,dra7-iodelay", .data = &dra7_iodelay_data},
> + { /* Hopefully no more.. */ },
> +};
> +MODULE_DEVICE_TABLE(of, ti_iodelay_of_match);
> +
> +static struct platform_driver ti_iodelay_driver = {
> + .probe = ti_iodelay_probe,
> + .remove = ti_iodelay_remove,
> + .driver = {
> + .owner = THIS_MODULE,
So THIS_MODULE will, basically, be NULL.
> + .name = DRIVER_NAME,
> + .of_match_table = ti_iodelay_of_match,
> + },
> +};
> +module_platform_driver(ti_iodelay_driver);
> +
> +MODULE_AUTHOR("Texas Instruments, Inc.");
> +MODULE_DESCRIPTION("Pinconf driver for TI's IO Delay module");
> +MODULE_LICENSE("GPL v2");
And these three macros will be preprocessed away.
(Perhaps there are non-modular alternatives to MODULE_DEVICE_TABLE and
module_platform_driver, but I'm not sure how those two macros actually
work.)
Paul Bolle
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