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[209.17.68.221]) by smtp.gmail.com with UTF8SMTPSA id d9443c01a7336-231d4ebcd45sm17308925ad.210.2025.05.16.11.25.57 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 16 May 2025 11:25:57 -0700 (PDT) Date: Sat, 17 May 2025 03:25:55 +0900 From: Krzysztof =?utf-8?Q?Wilczy=C5=84ski?= To: Philipp Stanner Cc: Jonathan Corbet , Bjorn Helgaas , Mark Brown , David Lechner , Andy Shevchenko , Zijun Hu , Yang Yingliang , Greg Kroah-Hartman , linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-pci@vger.kernel.org Subject: Re: [PATCH v2 0/6] PCI: Remove hybrid-devres region requests Message-ID: <20250516182555.GA2914997@rocinante> References: <20250516174141.42527-1-phasta@kernel.org> Precedence: bulk X-Mailing-List: linux-pci@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20250516174141.42527-1-phasta@kernel.org> Hello, [...] > the great day has finally arrived, I managed to get rid of one of the > big three remaining problems in the PCI devres API (the other two being > MSI having hybrid-devres, too, and the good old pcim_iomap_tablle)! > > It turned out that there aren't even that many users of the hybrid API, > where pcim_enable_device() switches certain functions in pci.c into > managed devres mode, which we want to remove. > > The affected drivers can be found with: > > grep -rlZ "pcim_enable_device" | xargs -0 grep -l "pci_request" > > These were: > > ASoC [1] > alsa [2] > cardreader [3] > cirrus [4] > i2c [5] > mmc [6] > mtd [7] > mxser [8] > net [9] > spi [10] > vdpa [11] > vmwgfx [12] > > All of those have been merged and are queued up for the merge window. > The only possible exception is vdpa, but it seems to be ramped up right > now; vdpa, however, doesn't even use the hybrid behavior, so that patch > is just for generic cleanup anyways. > > With the users of the hybrid feature gone, the feature itself can > finally be burned. > > So I'm sending out this series now to probe whether it's judged to be > good enough for the upcoming merge window. If we could take it, we would > make it impossible that anyone adds new users of the hybrid thing. > > If it's too late for the merge window, then that's what it is, of > course. > > In any case I'm glad we can get rid of most of that legacy stuff now. Thank you for sending a v2! Much appreciated. I pulled tentatively to the for-ci/devres branch, to get some soak time with 0-day bot and KernelCI, while we wait for reviews and such. Thank you! Krzysztof