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Thu, 14 Dec 2023 13:44:07 -0500 (EST) X-Mailer: MessagingEngine.com Webmail Interface User-Agent: Cyrus-JMAP/3.9.0-alpha0-1283-g327e3ec917-fm-20231207.002-g327e3ec9 MIME-Version: 1.0 Message-Id: In-Reply-To: References: <20231017052322.2636-1-kkartik@nvidia.com> Date: Thu, 14 Dec 2023 18:43:47 +0000 From: "Arnd Bergmann" To: "Thierry Reding" , Kartik Cc: "Jon Hunter" , "Kees Cook" , "Andy Shevchenko" , "Andrew Morton" , "Ulf Hansson" , "Linus Walleij" , pshete@nvidia.com, petlozup@nvidia.com, "Yangtao Li" , "Rob Herring" , stefank@nvidia.com, pdeschrijver@nvidia.com, "Christophe JAILLET" , linux-tegra@vger.kernel.org, linux-kernel@vger.kernel.org, linux-hardening@vger.kernel.org, linux-mm@kvack.org Subject: Re: [PATCH v7 0/8] soc/tegra: fuse: Add ACPI support Content-Type: text/plain X-Spam-Status: No, score=-0.9 required=5.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lipwig.vger.email Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.6.4 (lipwig.vger.email [0.0.0.0]); Thu, 14 Dec 2023 10:44:19 -0800 (PST) On Thu, Dec 14, 2023, at 17:08, Thierry Reding wrote: > On Tue, Oct 17, 2023 at 10:53:14AM +0530, Kartik wrote: >> This series of patches add ACPI support for Tegra194 and Tegra234 in >> Tegra fuse and apbmisc drivers. It also adds support for Tegra241 >> which uses ACPI boot. > > Applied, thanks. I'm still a bit puzzled by this series, can you provide some more background? Why does an ACPI based system require access to SoC drivers? Shouldn't this all be abstracted by the BIOS in some form so the device drivers can work standalone rather than calling into this driver? Arnd