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Fri, 10 Mar 2023 08:56:29 +0000 MIME-Version: 1.0 Date: Fri, 10 Mar 2023 08:56:28 +0000 From: Marc Zyngier To: Lucas Tanure Cc: Vinod Koul , Kishon Vijay Abraham I , Rob Herring , Krzysztof Kozlowski , Heiko Stuebner , Thomas Gleixner , Lorenzo Pieralisi , Krzysztof Wilczynski , Bjorn Helgaas , Qu Wenruo , Piotr Oniszczuk , Peter Geis , Kever Yang , linux-phy@lists.infradead.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org, linux-kernel@vger.kernel.org, linux-pci@vger.kernel.org, kernel@collabora.com, Robin Murphy Subject: Re: [PATCH 1/7] irqchip/gic-v3: Add a DMA Non-Coherent flag In-Reply-To: <20230310080518.78054-2-lucas.tanure@collabora.com> References: <20230310080518.78054-1-lucas.tanure@collabora.com> <20230310080518.78054-2-lucas.tanure@collabora.com> User-Agent: Roundcube Webmail/1.4.13 Message-ID: X-Sender: maz@kernel.org X-SA-Exim-Connect-IP: 51.254.78.96 X-SA-Exim-Rcpt-To: lucas.tanure@collabora.com, vkoul@kernel.org, kishon@kernel.org, robh+dt@kernel.org, krzysztof.kozlowski+dt@linaro.org, heiko@sntech.de, tglx@linutronix.de, lpieralisi@kernel.org, kw@linux.com, bhelgaas@google.com, wqu@suse.com, piotr.oniszczuk@gmail.com, pgwipeout@gmail.com, kever.yang@rock-chips.com, linux-phy@lists.infradead.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org, linux-kernel@vger.kernel.org, linux-pci@vger.kernel.org, kernel@collabora.com, robin.murphy@arm.com X-SA-Exim-Mail-From: maz@kernel.org X-SA-Exim-Scanned: No (on disco-boy.misterjones.org); SAEximRunCond expanded to false X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230310_005633_424411_D4E72D66 X-CRM114-Status: GOOD ( 12.43 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On 2023-03-10 08:05, Lucas Tanure wrote: > The GIC600 integration in RK356x, used in rk3588, doesn't support > any of the shareability or cacheability attributes, and requires > both values to be set to 0b00 for all the ITS and Redistributor > tables. > > This is loosely based on prior work from XiaoDong Huang and > Peter Geis fixing this issue specifically for Rockchip 356x. No. If we are going to do *anything* about this thing, it is by describing the actual topology. And it has to work for both DT and ACPI. Alternatively, this is an erratum. M. -- Jazz is not dead. It just smells funny... _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel