From mboxrd@z Thu Jan 1 00:00:00 1970 From: Alexandre Torgue Subject: Re: [PATCH v4 6/9] pinctrl: Add IRQ support to STM32 gpios Date: Mon, 12 Sep 2016 15:38:32 +0200 Message-ID: <77a03549-232b-f73e-216f-6e332192cb1c@st.com> References: <1473180341-1999-1-git-send-email-alexandre.torgue@st.com> <1473180341-1999-7-git-send-email-alexandre.torgue@st.com> <0063a1ef-1b09-7cfc-f18b-76f2bb07eb84@st.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8"; format=flowed Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: Sender: linux-kernel-owner@vger.kernel.org To: Linus Walleij Cc: Maxime Coquelin , Thomas Gleixner , Jason Cooper , Marc Zyngier , Mark Rutland , Rob Herring , "linux-gpio@vger.kernel.org" , Arnd Bergmann , "linux-arm-kernel@lists.infradead.org" , "linux-kernel@vger.kernel.org" , "devicetree@vger.kernel.org" , Daniel Thompson , Bruno Herrera , Lee Jones List-Id: devicetree@vger.kernel.org Hi Linus, On 09/12/2016 02:58 PM, Linus Walleij wrote: > On Thu, Sep 8, 2016 at 5:47 PM, Alexandre Torgue > wrote: > >> Just one question, when you say "super-complex irqchip in use", do you mean >> I could use another (simplest) solution to handle this EXTI controller? > > I don't know, GPIOLIB_IRQCHIP is to be used for some specific > cases documented in Documentation/gpio/driver.txt. > > For anything complex, we either need to have this hairy code > or invent new abstractions. > Ok I see . > For now, I assume this is needed... Yes it is. Regards Alex > > Yours, > Linus Walleij >