staging/stintel/target/linux, branch master

starfive: drop support for 6.12

2026-05-17T13:27:17Z

Drop support for 6.12 by removing config and patches. Signed-off-by: Zoltan HERPAI

starfive: switch to 6.18

2026-05-17T13:27:15Z

Make 6.18 the default kernel. Signed-off-by: Zoltan HERPAI

realtek: add support for Zyxel XGS1930-28HP

2026-05-17T11:12:18Z

Add support for the RTL9301-based Zyxel XGS1930-28HP, a 28-port Gigabit PoE+ switch. The XGS1930 is an EOL Zyxel series of RTL9301-based switches available with 28 or 52 ports, with and without PoE. Hardware ======== - RTL9301 SoC - 512 MiB DDR3 RAM - 32 MiB SPI-NOR flash - 24x 10/100/1000M RJ45 ports - 4x 1G/10G SFP+ cages - PoE: - 802.3af/at on all 24 RJ45 ports - 375 W total power budget - RTL8231 for port LEDs - Front LEDs: PWR, SYS, CLOUD, LOCATOR, PoE usage bar (5 steps) - Buttons: 1x "Restore" - Console: TTL 3.3V, 115200 8N1, 4-pin header - pinout (front to back): GND RX TX - - Software chain: - Bootbase/stripped-down U-Boot - RAS/ZyNOS MAC address =========== Single MAC address derived from the board partition. Applied to all switch ports. Disclaimer ========== PoE is not yet supported. Flashing OpenWrt overwrites ZyNOS. The Bootbase/U-Boot remains intact and can be used for recovery. Installation ============ Simple web upgrade: 1. Take the OpenWrt factory.bin image generated by the build. 2. In the ZyNOS web UI, login and go to Maintenance -> Firmware Upgrade. 3. If the device runs ZyNOS 5.00, untick "Enhanced firmware integrity check sha256sum". Otherwise the upload check will reject the image. 4. Select and upload the factory.bin image and click upgrade. 5. After flashing has finished, reboot the switch. It will now boot into OpenWrt. Initramfs boot ============== Luckily the switch uses a standard design, thus networking works with a default hardware profile of RTK U-boot. 1. Connect to the serial console and interrupt the boot process by spamming '$' during the DRAM test to drop into Bootbase/U-Boot. 2. Bring up the network: > rtk network on Use a copper port; the SFP+ cages are likely not usable from the bootloader. 3. Load the initramfs image via TFTP: > tftpboot 0x82000000 : 4. Run the image (not bootm, the image has no uImage header): > go 0x82000000 Return to stock firmware ======================== 1. Download the stock firmware for the switch from the Zyxel website and unzip it; there should be a .bin file with an alphanumeric name. 2. Upload that file to the running OpenWrt instance. 3. Flash it (use -F since the image has no OpenWrt metadata): > sysupgrade -F .bin 4. Wait for sysupgrade to finish and the switch to reboot. ZyNOS should come up again. Signed-off-by: Jonas Jelonek Link: https://github.com/openwrt/openwrt/pull/23389 Signed-off-by: Robert Marko

realtek: add support for XikeStor SKS7300-4X4T

2026-05-17T11:11:05Z

The XikeStor SKS7300-4X4T is a 10GbE switch with 4x copper ports and 4x SFP slots. It has a built-in console port and is powered by a RTL9303 SoC. Specifications: --------------- * Soc: RTL9303 * Flash: 32 MiB SPI flash * RAM: 512 MiB * Ethernet: 8x 10/100/1000/2500/5000/10000 Mbps * Buttons: 1x Reset * UART: CISCO console ports on the front, 115200, 8n1 * controllable fan, integrated temperature sensor Not yet enabled: ---------------- * Fan control: it's controlled via simple i2c registers, but no driver has been written yet. Installation: ------------- This device uses an obfuscated bootloader and an obfuscated image. As such, the installation can only be performed using the console ports. 1. Set the switch to boot from the first image. 2. Attach console cable and hold Ctrl+C while powering on the switch 3. After a few seconds, a very basic U-Boot menu appears. Wait for the user input to appear, then press "z" to get to the message "Please input auth code". 4. Type "jiangks" as the password, the RTL9300 prompt appears. 5. Load the OpenWrt initramfs image via TFTP: > setenv serverip 192.168.0.1 > setenv ipaddr 192.168.0.2 > tftpboot 0x83000000 openwrt.bin > bootm 0x83000000 6. Once OpenWrt has booted, use the "sysupgrade" image to perform the actual installation. 7. Reboot the switch and enjoy OpenWrt. Recovery/return to stock: ------------------------- Flash an OEM firmware upgrade file via sysupgrade. Signed-off-by: Andreas Böhler Link: https://github.com/openwrt/openwrt/pull/23305 Signed-off-by: Robert Marko

realtek: kernel: enable GPIO watchdog modules

2026-05-17T11:11:05Z

Enable the GPIO watchdog kernel module Signed-off-by: Andreas Böhler Link: https://github.com/openwrt/openwrt/pull/23305 Signed-off-by: Robert Marko

realtek: add xikestor sks7300-img tool

2026-05-17T11:11:05Z

Add build recipe for creating images using the sks7300-img tool that was recently added to firmware-utils. Signed-off-by: Andreas Böhler Link: https://github.com/openwrt/openwrt/pull/23305 Signed-off-by: Robert Marko

uboot-mediatek: comfast cf-wr632ax: reduce ram speed to 1866 MT/s

2026-05-17T11:04:23Z

Fix instability by reducing RAM speed to 1866 MT/s in line with Winbond W634GU6RB-11 specs. Signed-off-by: Andrii Kuiukoff Link: https://github.com/openwrt/openwrt/pull/22929 Signed-off-by: Robert Marko

realtek: pcs: use devm_kzalloc()

2026-05-17T10:34:47Z

Just for safety. Use device managed operation so the memory is automatically reclaimed when the parent PCS controller is removed. Signed-off-by: Markus Stockhausen Link: https://github.com/openwrt/openwrt/pull/23391 Signed-off-by: Robert Marko

realtek: pcs: replace mdelay() with usleep_range()

2026-05-17T10:34:47Z

Use CPU friendly operation. Signed-off-by: Markus Stockhausen Link: https://github.com/openwrt/openwrt/pull/23391 Signed-off-by: Robert Marko

realtek: pcs: fix use after free

2026-05-17T10:34:47Z

In rtpcs_probe_serdes_bus(), the code manages the device tree node reference incorrectly: - It acquires a node pointer np via of_find_compatible_node(), which increments the reference count. - It calls of_mdio_find_bus(np) to locate the bus. - It calls of_node_put(np), which decrements the reference count. If this was the last reference, the node is freed. - It then attempts to check if (!of_device_is_available(np)). The pointer np is used after its reference has been released. This can lead to a kernel oops or unpredictable behavior if the memory has been reclaimed. Fixes: fe27cce1e ("realtek: add SerDes PCS driver") Signed-off-by: Markus Stockhausen Link: https://github.com/openwrt/openwrt/pull/23391 Signed-off-by: Robert Marko