From: Andy Shevchenko <andy.shevchenko@gmail.com>
To: Henning Schild <henning.schild@siemens.com>
Cc: Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
Linux LED Subsystem <linux-leds@vger.kernel.org>,
Platform Driver <platform-driver-x86@vger.kernel.org>,
linux-watchdog@vger.kernel.org,
Srikanth Krishnakar <skrishnakar@gmail.com>,
Jan Kiszka <jan.kiszka@siemens.com>,
Gerd Haeussler <gerd.haeussler.ext@siemens.com>,
Guenter Roeck <linux@roeck-us.net>,
Wim Van Sebroeck <wim@linux-watchdog.org>,
Mark Gross <mgross@linux.intel.com>,
Hans de Goede <hdegoede@redhat.com>, Pavel Machek <pavel@ucw.cz>,
Enrico Weigelt <lkml@metux.net>
Subject: Re: [PATCH v3 2/4] leds: simatic-ipc-leds: add new driver for Siemens Industial PCs
Date: Tue, 30 Mar 2021 14:04:35 +0300 [thread overview]
Message-ID: <CAHp75Vdh_YAJLE4DWPhxhYY1g5Fc_7EFgr4FED3crpfpzwXeRg@mail.gmail.com> (raw)
In-Reply-To: <20210329174928.18816-3-henning.schild@siemens.com>
On Mon, Mar 29, 2021 at 8:59 PM Henning Schild
<henning.schild@siemens.com> wrote:
>
> This driver adds initial support for several devices from Siemens. It is
> based on a platform driver introduced in an earlier commit.
...
> +#define SIMATIC_IPC_LED_PORT_BASE 0x404E
> +static struct simatic_ipc_led simatic_ipc_leds_io[] = {
> + {1 << 15, "green:" LED_FUNCTION_STATUS "-1" },
> + {1 << 7, "yellow:" LED_FUNCTION_STATUS "-1" },
> + {1 << 14, "red:" LED_FUNCTION_STATUS "-2" },
> + {1 << 6, "yellow:" LED_FUNCTION_STATUS "-2" },
> + {1 << 13, "red:" LED_FUNCTION_STATUS "-3" },
> + {1 << 5, "yellow:" LED_FUNCTION_STATUS "-3" },
> + { }
> +};
> +static struct simatic_ipc_led simatic_ipc_leds_mem[] = {
> + {0x500 + 0x1A0, "red:" LED_FUNCTION_STATUS "-1"},
> + {0x500 + 0x1A8, "green:" LED_FUNCTION_STATUS "-1"},
> + {0x500 + 0x1C8, "red:" LED_FUNCTION_STATUS "-2"},
> + {0x500 + 0x1D0, "green:" LED_FUNCTION_STATUS "-2"},
> + {0x500 + 0x1E0, "red:" LED_FUNCTION_STATUS "-3"},
> + {0x500 + 0x198, "green:" LED_FUNCTION_STATUS "-3"},
> + { }
> +};
It seems to me like poking GPIO controller registers directly. This is not good.
The question still remains: Can we simply register a GPIO (pin
control) driver and use an LED GPIO driver with an additional board
file that instantiates it?
--
With Best Regards,
Andy Shevchenko
next prev parent reply other threads:[~2021-03-30 11:05 UTC|newest]
Thread overview: 40+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-03-29 17:49 [PATCH v3 0/4] add device drivers for Siemens Industrial PCs Henning Schild
2021-03-29 17:49 ` [PATCH v3 1/4] platform/x86: simatic-ipc: add main driver for Siemens devices Henning Schild
2021-11-26 12:39 ` Henning Schild
2021-03-29 17:49 ` [PATCH v3 2/4] leds: simatic-ipc-leds: add new driver for Siemens Industial PCs Henning Schild
2021-03-30 11:04 ` Andy Shevchenko [this message]
2021-03-30 11:58 ` Henning Schild
2021-03-30 12:15 ` Andy Shevchenko
2021-03-30 12:30 ` Henning Schild
2021-03-30 12:41 ` Andy Shevchenko
2021-03-30 15:23 ` Henning Schild
2021-03-31 15:40 ` Andy Shevchenko
2021-04-01 10:44 ` Henning Schild
2021-04-01 11:04 ` Andy Shevchenko
2021-04-12 11:56 ` Henning Schild
2021-05-05 14:58 ` Enrico Weigelt, metux IT consult
2021-04-12 15:15 ` Henning Schild
2021-11-26 13:28 ` Henning Schild
2021-11-26 14:02 ` Andy Shevchenko
2021-11-26 14:44 ` Henning Schild
2021-11-26 14:59 ` Andy Shevchenko
2021-11-26 19:54 ` Henning Schild
2021-11-25 17:11 ` Henning Schild
2021-03-29 17:49 ` [PATCH v3 3/4] watchdog: simatic-ipc-wdt: add new driver for Siemens Industrial PCs Henning Schild
2021-04-01 16:15 ` Enrico Weigelt, metux IT consult
2021-04-06 14:52 ` Henning Schild
2021-04-07 8:53 ` Andy Shevchenko
2021-04-07 12:17 ` Guenter Roeck
2021-11-26 13:18 ` Henning Schild
2021-04-12 15:35 ` Henning Schild
2021-04-12 16:06 ` Guenter Roeck
2021-04-12 16:17 ` Henning Schild
2021-11-25 17:08 ` Henning Schild
2021-11-25 17:10 ` Henning Schild
2021-03-29 17:49 ` [PATCH v3 4/4] platform/x86: pmc_atom: improve critclk_systems matching for Siemens PCs Henning Schild
2021-03-29 18:00 ` [PATCH v3 0/4] add device drivers for Siemens Industrial PCs Henning Schild
2021-04-07 11:36 ` Hans de Goede
2021-04-12 11:27 ` Henning Schild
2021-07-12 11:35 ` Henning Schild
2021-07-12 12:09 ` Andy Shevchenko
2021-07-12 16:11 ` Henning Schild
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