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[209.91.167.254]) by smtp.gmail.com with ESMTPSA id af79cd13be357-7c041dedba2sm121543285a.16.2025.02.06.16.17.50 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 06 Feb 2025 16:17:51 -0800 (PST) Date: Thu, 6 Feb 2025 19:17:49 -0500 From: Trevor Woerner To: Vicente Bergas Cc: Heiko =?utf-8?Q?St=C3=BCbner?= , "open list:ARM/Rockchip SoC..." Subject: Re: PCIe missing on RK3399 Message-ID: <20250207001749.GA33513@localhost> References: MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.10.1 (2018-07-13) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250206_161753_959652_525B1613 X-CRM114-Status: GOOD ( 18.39 ) X-BeenThere: linux-rockchip@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Upstream kernel work for Rockchip platforms List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "Linux-rockchip" Errors-To: linux-rockchip-bounces+linux-rockchip=archiver.kernel.org@lists.infradead.org Hi, On Wed 2024-12-11 @ 01:55:01 PM, Vicente Bergas wrote: > Hi, > i've tested the Linux kernel 6.13-rc1 and rc2 and in both cases PCIe > is not detected on the RK3399 platform (rk3399-gru-kevin), whereas the > kernel version 6.12.3 works fine. > > 6.13 configuration is based on the same one as 6.12 and there aren't > any significant PCI-related differences. > > The messages from dmesg on 6.13 don't show any PCI-related errors. > > Does somebody know what is going on? I'm seeing something very similar on a different RK3399-based device. As such the proposed patch won't work in my case. I have the "Penta SATA HAT for Rock 4"[1] on a rock-pi-4a device running a bunch of disks for me. When Yocto (master) switched from 6.6.y to 6.12.y this HAT stopped working. Currently Yocto master carries recipes for both 6.6.y and 6.12.y so I'm able to pin the kernel to 6.6.y, but it would be nice to get this fixed. I only have one such setup, and it's running in "production", so I'm not overly keen to take it offline for long periods for testing. But I'm willing to do some investigation if there are suggestions to try. Currently Yocto supports 6.6.74 and 6.12.11. [1] https://shop.allnetchina.cn/products/penta-sata-hat-for-rock-pi-4 _______________________________________________ Linux-rockchip mailing list Linux-rockchip@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-rockchip