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Sun, 22 Jan 2023 03:54:54 -0800 (PST) Received: from [192.168.1.109] ([178.197.216.144]) by smtp.gmail.com with ESMTPSA id m37-20020a05600c3b2500b003daf681d05dsm8320826wms.26.2023.01.22.03.54.50 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Sun, 22 Jan 2023 03:54:54 -0800 (PST) Message-ID: <995eb624-3efe-10fc-a6ed-883d52d591bb@linaro.org> Date: Sun, 22 Jan 2023 12:54:48 +0100 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.7.0 Subject: Re: [RFC PATCH v2 31/31] kvx: Add IPI driver Content-Language: en-US To: Yann Sionneau , Arnd Bergmann , Jonathan Corbet , Thomas Gleixner , Marc Zyngier , Rob Herring , Krzysztof Kozlowski , Will Deacon , Peter Zijlstra , Boqun Feng , Mark Rutland , Eric Biederman , Kees Cook , Oleg Nesterov , Ingo Molnar , Waiman Long , "Aneesh Kumar K.V" , Andrew Morton , Nick Piggin , Paul Moore , Eric Paris , Christian Brauner , Paul Walmsley , Palmer Dabbelt , Albert Ou , Jules Maselbas , Guillaume Thouvenin , Clement Leger , Vincent Chardon , =?UTF-8?Q?Marc_Poulhi=c3=a8s?= , Julian Vetter , Samuel Jones , Ashley Lesdalons , Thomas Costis , Marius Gligor , Jonathan Borne , Julien Villette , Luc Michel , Louis Morhet , Julien Hascoet , Jean-Christophe Pince , Guillaume Missonnier , Alex Michon , Huacai Chen , WANG Xuerui , Shaokun Zhang , John Garry , Guangbin Huang , Bharat Bhushan , Bibo Mao , Atish Patra , "Jason A. Donenfeld" , Qi Liu , Jiaxun Yang , Catalin Marinas , Mark Brown , Janosch Frank , Alexey Dobriyan Cc: Benjamin Mugnier , linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, linux-mm@kvack.org, linux-arch@vger.kernel.org, linux-audit@redhat.com, linux-riscv@lists.infradead.org, bpf@vger.kernel.org References: <20230120141002.2442-1-ysionneau@kalray.eu> <20230120141002.2442-32-ysionneau@kalray.eu> From: Krzysztof Kozlowski In-Reply-To: <20230120141002.2442-32-ysionneau@kalray.eu> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Rspam-User: X-Rspamd-Queue-Id: CB3412000C X-Rspamd-Server: rspam01 X-Stat-Signature: ajz35wwd96wayewo1ajq1wt9iusy7b6x X-HE-Tag: 1674388495-740939 X-HE-Meta: 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 NwL51zYk 0n7anR35nWtMd/29qhzdmDI6Dy/VLK1eMIWw6bFRcO4BI0avbDzBwV33Q2swIs43gIvcOQuXPuVLJ5dskMYCCb6lmILzvtnwxEyKMTGU+SkoSY0NU8gPojj995Gb36ahsGXOqtzcYuYljA/7fDvHpCWmbQyPpVW+JWT5M2ZHpk8Sybf6uuS+FyJW7JJpJ972NnyRAywdxlnwxAtWZPm2l1T8sZ7IDZ3LCUAbYpZT0/LgkuumAUKIh19BWZOfalj56z3yZggzuhz3FXGD926jnVuO2drzKZ3tAoAOWjifESZCDXO/AP2eMh9NOvBq4G92HzvN9J69oWBQKzdRJdLyUCJ0ba/BRkOIZ/Y7XqsQf0i6am6+l8mUg1GwT5G7wlJyI6GDKeo9wpDAZbNTEA8fAQm06O9YIqndcEKiq2sY9RNhEYDY0+pmu7w/Z/w== X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On 20/01/2023 15:10, Yann Sionneau wrote: > + > +int __init kvx_ipi_ctrl_probe(irqreturn_t (*ipi_irq_handler)(int, void *)) > +{ > + struct device_node *np; > + int ret; > + unsigned int ipi_irq; > + void __iomem *ipi_base; > + > + np = of_find_compatible_node(NULL, NULL, "kalray,kvx-ipi-ctrl"); Nope, big no. Drivers go to drivers, not to arch code. Use proper driver infrastructure. Best regards, Krzysztof