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[82.143.95.228]) by smtp.gmail.com with ESMTPSA id gs21sm2776908ejb.40.2019.08.22.07.13.14 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Thu, 22 Aug 2019 07:13:14 -0700 (PDT) Received: from peko by dell.be.48ers.dk with local (Exim 4.89) (envelope-from ) id 1i0npx-0000jd-Jq; Thu, 22 Aug 2019 16:13:13 +0200 From: Peter Korsgaard To: Federico Vaga Cc: Andrew Lunn , , Subject: Re: [PATCH] i2c: ocores: use request_any_context_irq() to register IRQ handler References: <20190822132132.16557-1-federico.vaga@cern.ch> Date: Thu, 22 Aug 2019 16:13:13 +0200 In-Reply-To: <20190822132132.16557-1-federico.vaga@cern.ch> (Federico Vaga's message of "Thu, 22 Aug 2019 15:21:32 +0200") Message-ID: <875zmp5lvq.fsf@dell.be.48ers.dk> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/24.5 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org >>>>> "Federico" == Federico Vaga writes: > The i2c-ocores device is an HDL component that get instantiated in FPGA. > The software stack used to drive an FPGA can be very different, and the > i2c-ocore ip-core must work in different context. With respect to this > patch the IRQ controller behind this device, and its driver, can have > different implementations (nested threads). For this reason, it is safer > to use `request_any_context_irq()` to avoid errors at probe time. > Signed-off-by: Federico Vaga Reviewed-by: Peter Korsgaard -- Bye, Peter Korsgaard