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Message-ID: <70fc7450-17e2-6ffd-01b7-297f93386cc6@gmail.com> Date: Sat, 25 Sep 2021 19:29:25 -0700 From: Florian Fainelli <f.fainelli@...il.com> To: Thomas Gleixner <tglx@...utronix.de>, Florian Fainelli <f.fainelli@...il.com>, linux-kernel@...r.kernel.org Cc: Russell King <linux@...linux.org.uk>, Ray Jui <rjui@...adcom.com>, Scott Branden <sbranden@...adcom.com>, "maintainer:BROADCOM BCM281XX/BCM11XXX/BCM216XX ARM ARCHITE..." <bcm-kernel-feedback-list@...adcom.com>, Catalin Marinas <catalin.marinas@....com>, Will Deacon <will@...nel.org>, Yoshinori Sato <ysato@...rs.sourceforge.jp>, Rich Felker <dalias@...c.org>, Marc Zyngier <maz@...nel.org>, Rob Herring <robh+dt@...nel.org>, Frank Rowand <frowand.list@...il.com>, Ard Biesheuvel <ardb@...nel.org>, Mike Rapoport <rppt@...nel.org>, Linus Walleij <linus.walleij@...aro.org>, Andrew Morton <akpm@...ux-foundation.org>, Geert Uytterhoeven <geert+renesas@...der.be>, Arnd Bergmann <arnd@...db.de>, Guenter Roeck <linux@...ck-us.net>, Kefeng Wang <wangkefeng.wang@...wei.com>, Mark Rutland <mark.rutland@....com>, Andrey Konovalov <andreyknvl@...il.com>, Anshuman Khandual <anshuman.khandual@....com>, Valentin Schneider <valentin.schneider@....com>, Ingo Molnar <mingo@...nel.org>, Peter Zijlstra <peterz@...radead.org>, "moderated list:ARM PORT" <linux-arm-kernel@...ts.infradead.org>, "open list:SUPERH" <linux-sh@...r.kernel.org>, "open list:BROADCOM BMIPS MIPS ARCHITECTURE" <linux-mips@...r.kernel.org>, "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE" <devicetree@...r.kernel.org> Subject: Re: [PATCH 02/11] genirq: Export irq_to_desc() again to modules 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
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