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Message-ID: <20210327105645.0632b6e4@md1za8fc.ad001.siemens.net>
Date:   Sat, 27 Mar 2021 10:56:56 +0100
From:   Henning Schild <henning.schild@...mens.com>
To:     Pavel Machek <pavel@....cz>
Cc:     Andy Shevchenko <andy.shevchenko@...il.com>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Linux LED Subsystem <linux-leds@...r.kernel.org>,
        Platform Driver <platform-driver-x86@...r.kernel.org>,
        <linux-watchdog@...r.kernel.org>,
        Srikanth Krishnakar <skrishnakar@...il.com>,
        Jan Kiszka <jan.kiszka@...mens.com>,
        Gerd Haeussler <gerd.haeussler.ext@...mens.com>,
        Guenter Roeck <linux@...ck-us.net>,
        Wim Van Sebroeck <wim@...ux-watchdog.org>,
        Mark Gross <mgross@...ux.intel.com>,
        Hans de Goede <hdegoede@...hat.com>
Subject: Re: [PATCH v2 2/4] leds: simatic-ipc-leds: add new driver for
 Siemens Industial PCs

Am Mon, 15 Mar 2021 12:19:15 +0100
schrieb Pavel Machek <pavel@....cz>:

> > > +       struct led_classdev cdev;
> > > +};
> > > +
> > > +static struct simatic_ipc_led simatic_ipc_leds_io[] = {
> > > +       {1 << 15, "simatic-ipc:green:" LED_FUNCTION_STATUS "-1" },
> > > +       {1 << 7,  "simatic-ipc:yellow:" LED_FUNCTION_STATUS "-1"
> > > },
> > > +       {1 << 14, "simatic-ipc:red:" LED_FUNCTION_STATUS "-2" },
> > > +       {1 << 6,  "simatic-ipc:yellow:" LED_FUNCTION_STATUS "-2"
> > > },
> > > +       {1 << 13, "simatic-ipc:red:" LED_FUNCTION_STATUS "-3" },
> > > +       {1 << 5,  "simatic-ipc:yellow:" LED_FUNCTION_STATUS "-3"
> > > },  
> > 
> > Can you use BIT() macro here? And can it be sorted by the bit
> > order?  
> 
> There's nothing wrong with << and this order is fine.
> 
> But I still don't like the naming. simantic-ipc: prefix is
> useless. Having 6 status leds is not good, either.

With some of my questions still not being answered i will probably
remove that prefix entirely, not even use "platform:".

And i might stick with 6x "status". Since that allows reflecting the
labels on the machines, while using "above functions if you can"

regards,
Henning

> > > +       struct simatic_ipc_led *led =
> > > +               container_of(led_cd, struct simatic_ipc_led,
> > > cdev);  
> > 
> > One line?  
> 
> 80 columns. It is fine as it is.
> 
> Best regards,
> 
> 								Pavel

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