From: Pavel Machek <pavel@ucw.cz>
To: Alan Mizrahi <alan@mizrahi.com.ve>
Cc: linux-leds@vger.kernel.org
Subject: Re: PC Engines APU/APU2 led driver
Date: Mon, 11 Sep 2017 08:15:14 +0200 [thread overview]
Message-ID: <20170911061514.GA25933@amd> (raw)
In-Reply-To: <1c59aa68-cc27-c577-312a-14f58b62dd89@mizrahi.com.ve>
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Hi!
> static int __init apu_led_init(void)
> {
> struct platform_device *pdev;
> int err;
>
> if (!dmi_match(DMI_SYS_VENDOR, "PC Engines")) {
> pr_err("No PC Engines board detected\n");
> return -ENODEV;
> }
> if (!(dmi_match(DMI_PRODUCT_NAME, "APU") || dmi_match(DMI_PRODUCT_NAME, "APU2"))) {
> printk(KERN_ERR "Unknown PC Engines board: %s\n", dmi_get_system_info(DMI_PRODUCT_NAME));
> return -ENODEV;
> }
>
> pdev = platform_device_register_simple(KBUILD_MODNAME, -1, NULL, 0);
> if (IS_ERR(pdev)) {
> pr_err("Device allocation failed\n");
> return PTR_ERR(pdev);
> }
>
> err = platform_driver_probe(&apu_led_driver, apu_led_probe);
> if (err) {
> pr_err("Probe platform driver failed\n");
> platform_device_unregister(pdev);
> }
>
> return err;
> }
>
> static void __exit apu_led_exit(void)
> {
> platform_device_unregister(apu_led->pdev);
> platform_driver_unregister(&apu_led_driver);
> }
Normally, I'd expect _exit() to be 'reverse' of _init(). That is I'd
expect reverese order there.
Pavel
--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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next prev parent reply other threads:[~2017-09-11 6:15 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-09-11 5:35 PC Engines APU/APU2 led driver Alan Mizrahi
2017-09-11 6:15 ` Pavel Machek [this message]
2017-09-11 9:45 ` Alan Mizrahi
2017-09-16 13:52 ` Pavel Machek
2017-09-16 13:57 ` Alan Mizrahi
2017-09-16 15:27 ` Jacek Anaszewski
2017-09-11 20:46 ` Jacek Anaszewski
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