Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67;
Subject: Re: [PATCH 2/2] gpio: sch: Add interrupt support
To:     Jan Kiszka <jan.kiszka@siemens.com>,
        Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Cc:     Mika Westerberg <mika.westerberg@linux.intel.com>,
        Linus Walleij <linus.walleij@linaro.org>,
        Bartosz Golaszewski <bgolaszewski@baylibre.com>,
        Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
        linux-gpio@vger.kernel.org, linux-acpi@vger.kernel.org,
        "Rafael J. Wysocki" <rafael.j.wysocki@intel.com>
References: <20190424081802.GV2654@lahna.fi.intel.com>
 <5a28f22c-22f7-760a-d076-68ff19800d44@siemens.com>
 <20190424084259.GW2654@lahna.fi.intel.com>
 <7e328b7e-f4f0-851a-4152-a9ffd058201c@siemens.com>
 <20190424094506.GA2654@lahna.fi.intel.com>
 <292e6eff-82cc-6e4d-925b-77a60399e2e0@siemens.com>
 <20190424100130.GB2654@lahna.fi.intel.com>
 <1200464b-f969-ebc2-ae82-1f8ca98aaca1@siemens.com>
 <20190424103306.GC2654@lahna.fi.intel.com>
 <9377620b-d74a-04d9-a51e-8590400b1c0f@siemens.com>
 <20190426130615.GT9224@smile.fi.intel.com>
 <bd5453e1-0279-02ab-3304-edc6ebf509dc@siemens.com>
From:   "Enrico Weigelt, metux IT consult" <lkml@metux.net>
Organization: metux IT consult
Message-ID: <bc856e19-470d-7655-5680-a031831ab513@metux.net>
Date:   Fri, 26 Apr 2019 16:42:35 +0200
User-Agent: Mozilla/5.0 (X11; Linux i686 on x86_64; rv:60.0) Gecko/20100101
 Thunderbird/60.2.1
MIME-Version: 1.0
In-Reply-To: <bd5453e1-0279-02ab-3304-edc6ebf509dc@siemens.com>
Content-Type: text/plain; charset=utf-8
Content-Language: en-US
Content-Transfer-Encoding: 7bit
Sender: linux-kernel-owner@vger.kernel.org
Precedence: bulk

On 26.04.19 15:36, Jan Kiszka wrote:

> At the same time, there are no real alternatives - to my> knowledge - for the value it brings (various bindings) to simply
switch> the engine.
Which value exactly does that collection of crude wrappers and broken
attempts to buypass the kernel (driving gpios via /dev/mem *facepalm*)
provide ?

mraa belongs to the category of software, I would never put onto any
production system. (yes, I already had a client who asked me to repair
his mraa-based software. finally, I've replaced mraa w/ a few LoC ...)


--mtx

-- 
Enrico Weigelt, metux IT consult
Free software and Linux embedded engineering
info@metux.net -- +49-151-27565287