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([2600:1700:dfe0:49f0:a90f:da5:ff6e:aa3e]) by smtp.gmail.com with ESMTPSA id l1sm8398038qti.94.2021.09.25.19.29.27 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Sat, 25 Sep 2021 19:29:30 -0700 (PDT) Message-ID: <70fc7450-17e2-6ffd-01b7-297f93386cc6@gmail.com> Date: Sat, 25 Sep 2021 19:29:25 -0700 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:91.0) Gecko/20100101 Thunderbird/91.1.1 Subject: Re: [PATCH 02/11] genirq: Export irq_to_desc() again to modules Content-Language: en-US To: Thomas Gleixner , Florian Fainelli , linux-kernel@vger.kernel.org Cc: Russell King , Ray Jui , Scott Branden , "maintainer:BROADCOM BCM281XX/BCM11XXX/BCM216XX ARM ARCHITE..." , Catalin Marinas , Will Deacon , Yoshinori Sato , Rich Felker , Marc Zyngier , Rob Herring , Frank Rowand , Ard Biesheuvel , Mike Rapoport , Linus Walleij , Andrew Morton , Geert Uytterhoeven , Arnd Bergmann , Guenter Roeck , Kefeng Wang , Mark Rutland , Andrey Konovalov , Anshuman Khandual , Valentin Schneider , Ingo Molnar , Peter Zijlstra , "moderated list:ARM PORT" , "open list:SUPERH" , "open list:BROADCOM BMIPS MIPS ARCHITECTURE" , "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE" References: <20210924170546.805663-1-f.fainelli@gmail.com> <20210924170546.805663-3-f.fainelli@gmail.com> <87wnn4cqwd.ffs@tglx> From: Florian Fainelli In-Reply-To: <87wnn4cqwd.ffs@tglx> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-sh@vger.kernel.org On 9/25/2021 2:00 PM, Thomas Gleixner wrote: > On Fri, Sep 24 2021 at 10:05, Florian Fainelli wrote: >> In order to build drivers/irqchip/irq-bcm7038-l1.c as a module (for use >> in GKI), we need to export_to_desc() which is used in this snippet of >> code: >> >> irqd_set_single_target(irq_desc_get_irq_data(irq_to_desc(virq))); >> >> This effectively reverts 64a1b95bb9fe ("genirq: Restrict export of >> irq_to_desc()"). > > No. I'm not reexporting this. We've spent quite some time to prevent all > kind of drivers for fiddle with irq descriptors and I'm not going > to reopen that can of worms. > > irq_get_irq_data() is exported and provides you what you need. That is exactly what I was looking for and somehow missed it during my search the other day, thanks! -- Florian