From: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
To: Javier Arteaga <javier@emutex.com>,
Jacek Anaszewski <jacek.anaszewski@gmail.com>,
Pavel Machek <pavel@ucw.cz>
Cc: "Dan O'Donovan" <dan@emutex.com>,
Mika Westerberg <mika.westerberg@linux.intel.com>,
Heikki Krogerus <heikki.krogerus@linux.intel.com>,
Lee Jones <lee.jones@linaro.org>,
Linus Walleij <linus.walleij@linaro.org>,
linux-gpio@vger.kernel.org, linux-leds@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: Re: [RFC PATCH RESEND 2/3] leds: upboard: Add LED support
Date: Wed, 25 Apr 2018 19:15:45 +0300 [thread overview]
Message-ID: <1524672945.21176.594.camel@linux.intel.com> (raw)
In-Reply-To: <20180421085009.28773-3-javier@emutex.com>
On Sat, 2018-04-21 at 09:50 +0100, Javier Arteaga wrote:
> Allow userspace to use the on-board LEDs as "upboard:<color>:".
> + struct upboard_led *led = container_of(cdev, struct
> upboard_led, cdev);
#define to_upboard_led(cdev) container_of(cdev, struct upboard_led,
cdev)
... led = to_upboard_led(cdev);
> + struct upboard_led *led = container_of(cdev, struct
> upboard_led, cdev);
Ditto.
> +static int __init upboard_led_probe(struct platform_device *pdev)
Are you sure about __init here?
> + struct upboard_led_data * const pdata = pdev-
> >dev.platform_data;
Don't use direct dereference to platform_data.
> + if (!pdev->dev.parent)
> + return -EINVAL;
> +
> + upboard = dev_get_drvdata(pdev->dev.parent);
> + if (!upboard || !pdata)
> + return -EINVAL;
Wouldn't be better to supply regmap as part of platform data?
It will allow be flexible of parent device.
> +MODULE_LICENSE("GPL");
License mismatch.
--
Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Intel Finland Oy
next prev parent reply other threads:[~2018-04-25 16:15 UTC|newest]
Thread overview: 59+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-04-21 8:50 [RFC PATCH RESEND 0/3] UP Squared board drivers Javier Arteaga
2018-04-21 8:50 ` [RFC PATCH RESEND 1/3] mfd: upboard: Add UP2 platform controller driver Javier Arteaga
2018-04-25 9:51 ` Mika Westerberg
2018-04-25 12:05 ` Javier Arteaga
2018-04-25 15:57 ` Andy Shevchenko
2018-04-26 2:33 ` Javier Arteaga
2018-04-21 8:50 ` [RFC PATCH RESEND 2/3] leds: upboard: Add LED support Javier Arteaga
2018-04-25 6:41 ` Pavel Machek
2018-04-25 7:02 ` Javier Arteaga
2018-04-25 7:04 ` Pavel Machek
2018-04-25 16:15 ` Andy Shevchenko [this message]
2018-04-26 2:34 ` Javier Arteaga
2018-04-26 7:55 ` Andy Shevchenko
2018-04-26 12:49 ` Javier Arteaga
2018-05-02 13:55 ` Andy Shevchenko
2018-04-26 7:34 ` Lee Jones
2018-04-26 13:03 ` Javier Arteaga
2018-04-27 7:38 ` Lee Jones
2018-04-21 8:50 ` [RFC PATCH RESEND 3/3] pinctrl: upboard: Add UP2 pinctrl and gpio driver Javier Arteaga
2018-04-25 16:49 ` Andy Shevchenko
2018-04-26 2:38 ` Javier Arteaga
2018-04-26 6:50 ` Lee Jones
2018-04-26 13:36 ` Javier Arteaga
2018-04-25 9:53 ` [RFC PATCH RESEND 0/3] UP Squared board drivers Mika Westerberg
2018-10-19 17:15 ` [PATCH v2 " Dan O'Donovan
2018-10-19 17:15 ` [PATCH v2 1/3] mfd: upboard: Add UP2 platform controller driver Dan O'Donovan
2018-10-20 11:49 ` Andy Shevchenko
2018-10-25 11:05 ` Lee Jones
2018-10-25 13:15 ` Andy Shevchenko
2018-10-31 20:40 ` Dan O'Donovan
2018-10-19 17:15 ` [PATCH v2 2/3] leds: upboard: Add LED support Dan O'Donovan
2018-10-20 11:17 ` Andy Shevchenko
2018-10-21 8:31 ` Pavel Machek
2018-10-23 18:50 ` Jacek Anaszewski
2018-10-23 18:54 ` Pavel Machek
2018-10-23 19:09 ` Jacek Anaszewski
2018-10-23 19:30 ` Pavel Machek
2018-10-24 20:07 ` Jacek Anaszewski
2018-10-25 9:22 ` Andy Shevchenko
2018-10-25 17:44 ` Jacek Anaszewski
2018-10-23 19:23 ` Joe Perches
2018-10-23 20:31 ` Jacek Anaszewski
2018-10-24 10:13 ` Andy Shevchenko
2018-10-24 10:24 ` Joe Perches
2018-10-19 17:15 ` [PATCH v2 3/3] pinctrl: upboard: Add UP2 pinctrl and gpio driver Dan O'Donovan
2018-10-20 11:40 ` Andy Shevchenko
2018-10-31 19:55 ` Dan O'Donovan
2018-10-22 9:07 ` Linus Walleij
2018-10-24 13:05 ` [PATCH v2 0/3] UP Squared board drivers Andy Shevchenko
2018-10-31 20:44 ` [PATCH v3 " Dan O'Donovan
2018-10-31 20:44 ` [PATCH v3 1/3] mfd: upboard: Add UP2 platform controller driver Dan O'Donovan
2018-11-01 8:07 ` Lee Jones
2018-11-01 9:58 ` Dan O'Donovan
2018-11-11 11:29 ` Pavel Machek
2018-11-15 14:56 ` Linus Walleij
2018-10-31 20:44 ` [PATCH v3 2/3] leds: upboard: Add LED support Dan O'Donovan
2018-10-31 20:44 ` [PATCH v3 3/3] pinctrl: upboard: Add UP2 pinctrl and gpio driver Dan O'Donovan
2018-10-31 21:30 ` Linus Walleij
2018-10-31 21:39 ` Dan O'Donovan
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