Re: [PATCH 2/4] leds: simatic-ipc-leds: add new driver for Siemens Industial PCs

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Hi Pavel,

thanks for looking into this.

Am Tue, 2 Mar 2021 21:54:52 +0100
schrieb Pavel Machek <pavel@xxxxxx>:

> Hi!
> 
> > This driver adds initial support for several devices from Siemens.
> > It is based on a platform driver introduced in an earlier commit.  
> 
> Ok.
> 
> > diff --git a/drivers/leds/Makefile b/drivers/leds/Makefile
> > index 2a698df9da57..c15e1e3c5958 100644
> > --- a/drivers/leds/Makefile
> > +++ b/drivers/leds/Makefile
> > @@ -93,6 +93,7 @@ obj-$(CONFIG_LEDS_TURRIS_OMNIA)		+=
> > leds-turris-omnia.o obj-$(CONFIG_LEDS_WM831X_STATUS)	+=
> > leds-wm831x-status.o obj-$(CONFIG_LEDS_WM8350)		+=
> > leds-wm8350.o obj-$(CONFIG_LEDS_WRAP)			+=
> > leds-wrap.o +obj-$(CONFIG_LEDS_SIEMENS_SIMATIC_IPC)	+=
> > simatic-ipc-leds.o  
> 
> Let's put this into drivers/leds/simple. You'll have to create it.

Ok will do

> > + *
> > + * This program is free software; you can redistribute it and/or
> > modify
> > + * it under the terms of the GNU General Public License version 2
> > as
> > + * published by the Free Software Foundation.
> > + */  
> 
> Remove?

Sure, was found in wdt as well. Thx

> > +static struct simatic_ipc_led simatic_ipc_leds_io[] = {
> > +	{1 << 15, "simatic-ipc:green:run-stop"},
> > +	{1 << 7,  "simatic-ipc:yellow:run-stop"},
> > +	{1 << 14, "simatic-ipc:red:error"},
> > +	{1 << 6,  "simatic-ipc:yellow:error"},
> > +	{1 << 13, "simatic-ipc:red:maint"},
> > +	{1 << 5,  "simatic-ipc:yellow:maint"},
> > +	{0, ""},
> > +};  
> 
> Please use names consistent with other systems, this is user
> visible. If you have two-color power led, it should be
> :green:power... See include/dt-bindings/leds/common.h .

Well we wanted to pick names that are printed on the devices and would
like to stick to those. Has been a discussion ...
Can we have symlinks to have multiple names per LED?

How strong would you feel about us using our names?

> Please avoid // comments in the code.

Ok

> > +module_init(simatic_ipc_led_init_module);
> > +module_exit(simatic_ipc_led_exit_module);  
> 
> No need for such verbosity for functions that are static.
> 
> > +MODULE_LICENSE("GPL");  
> 
> GPL v2?

Will do.

Stay tuned for v2.

regards,
Henning


> Best regards,
> 								Pavel
> 




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