Re: [PATCH v2 3/3] leds: simatic-ipc-leds-gpio: introduce more Kconfig switches

From: Henning Schild
Date: Thu Mar 02 2023 - 03:47:40 EST


Am Wed, 1 Mar 2023 19:04:01 +0100
schrieb Hans de Goede <hdegoede@xxxxxxxxxx>:

> Hi,
>
> On 3/1/23 18:02, Henning Schild wrote:
> > To describe the dependency chain better and allow for potential
> > fine-grained config tuning, introduce Kconfig switch for the
> > individual GPIO based drivers.
> >
> > Signed-off-by: Henning Schild <henning.schild@xxxxxxxxxxx>
> > ---
> > drivers/leds/simple/Kconfig | 31 ++++++++++++++++++++++++++++---
> > drivers/leds/simple/Makefile | 7 +++----
> > 2 files changed, 31 insertions(+), 7 deletions(-)
> >
> > diff --git a/drivers/leds/simple/Kconfig
> > b/drivers/leds/simple/Kconfig index fd2b8225d926..44fa0f93cb3b
> > 100644 --- a/drivers/leds/simple/Kconfig
> > +++ b/drivers/leds/simple/Kconfig
> > @@ -1,11 +1,36 @@
> > # SPDX-License-Identifier: GPL-2.0-only
> > config LEDS_SIEMENS_SIMATIC_IPC
> > tristate "LED driver for Siemens Simatic IPCs"
> > - depends on LEDS_GPIO
>
> Since it is simatic-ipc-leds-gpio-core.c which actually registers
> the LEDs GPIO platform device, this one should stay IMHO.

No this one is now only for the port-IO based driver. The GPIO core is
built under the two new switches only.

>
> > depends on SIEMENS_SIMATIC_IPC
> > help
> > This option enables support for the LEDs of several
> > Industrial PCs from Siemens.
> >
> > - To compile this driver as a module, choose M here: the
> > modules
> > - will be called simatic-ipc-leds and
> > simatic-ipc-leds-gpio.
> > + To compile this driver as a module, choose M here: the
> > module
> > + will be called simatic-ipc-leds.
> > +
> > +config LEDS_SIEMENS_SIMATIC_IPC_APOLLOLAKE
> > + tristate "LED driver for Siemens Simatic IPCs based on
> > Intel Apollo Lake GPIO"
> > + depends on LEDS_GPIO
>
> And then it can be dropped here.
>
> > + depends on PINCTRL_BROXTON
>
> > + depends on SIEMENS_SIMATIC_IPC
>
> This should be "depends on LEDS_SIEMENS_SIMATIC_IPC" since it
> actually uses symbol from that module.

Same as above, the GPIO based drivers do not depend on the port-IO
based driver.

Henning

> > + default LEDS_SIEMENS_SIMATIC_IPC
> > + help
> > + This option enables support for the LEDs of several
> > Industrial PCs
> > + from Siemens based on Apollo Lake GPIO i.e. IPC127E.
> > +
> > + To compile this driver as a module, choose M here: the
> > module
> > + will be called simatic-ipc-leds-gpio-apollolake.
> > +
> > +config LEDS_SIEMENS_SIMATIC_IPC_F7188X
> > + tristate "LED driver for Siemens Simatic IPCs based on
> > Nuvoton GPIO"
> > + depends on LEDS_GPIO
>
> Idem.
>
> > + depends on GPIO_F7188X
> > + depends on SIEMENS_SIMATIC_IPC
>
> Idem.
>
> > + default LEDS_SIEMENS_SIMATIC_IPC
> > + help
> > + This option enables support for the LEDs of several
> > Industrial PCs
> > + from Siemens based on Nuvoton GPIO i.e. IPC227G.
> > +
> > + To compile this driver as a module, choose M here: the
> > module
> > + will be called simatic-ipc-leds-gpio-f7188x.
> > diff --git a/drivers/leds/simple/Makefile
> > b/drivers/leds/simple/Makefile index ed9057f7b6da..e3e840cea275
> > 100644 --- a/drivers/leds/simple/Makefile
> > +++ b/drivers/leds/simple/Makefile
> > @@ -1,5 +1,4 @@
> > # SPDX-License-Identifier: GPL-2.0
> > -obj-$(CONFIG_LEDS_SIEMENS_SIMATIC_IPC) += simatic-ipc-leds.o
> > -obj-$(CONFIG_LEDS_SIEMENS_SIMATIC_IPC) +=
> > simatic-ipc-leds-gpio-core.o
> > -obj-$(CONFIG_LEDS_SIEMENS_SIMATIC_IPC) +=
> > simatic-ipc-leds-gpio-apollolake.o
> > -obj-$(CONFIG_LEDS_SIEMENS_SIMATIC_IPC) +=
> > simatic-ipc-leds-gpio-f7188x.o
> > +obj-$(CONFIG_LEDS_SIEMENS_SIMATIC_IPC) +=
> > simatic-ipc-leds.o
> > +obj-$(CONFIG_LEDS_SIEMENS_SIMATIC_IPC_APOLLOLAKE) +=
> > simatic-ipc-leds-gpio-core.o simatic-ipc-leds-gpio-apollolake.o
> > +obj-$(CONFIG_LEDS_SIEMENS_SIMATIC_IPC_F7188X) +=
> > simatic-ipc-leds-gpio-core.o simatic-ipc-leds-gpio-f7188x.o
>
> Regards,
>
> Hans
>