I were testing Hauke's driver for ARM BCM5301X PCIe controller PCI: BCM5301X: add PCIe2 driver for BCM5301X SoCs https://patchwork.kernel.org/patch/5257871/ and it went wrong. It hangs my ARM device, but the worst part of it is that I don't see *any* message over serial console. The last message I can see is bootloader's: Starting program at 0x00008000 So obviously early printk doesn't work for me, but I was hoping to at least see messages from the standard serial console driver. My setup is: CONFIG_SERIAL_OF_PLATFORM=y CONFIG_PCI_BCM5301X=y 1) of_serial.c It uses module_platform_driver which means: module_init + platform_driver_register 2) pci-host-bcm5301x.c It uses: module_init + bcma_driver_register So both drivers are using the same initcall (device_initcall) and its random (not really) which one gets loaded first: PCIe driver or serial driver. In my setup it happens to be PCIe driver which hangs the machine without giving me anything over the serial console. I've to obviously fix my early printk, but I was also wondering if this would be possible to move of_serial (and maybe others) to some earlier initcall? -- Rafał -- To unsubscribe from this list: send the line "unsubscribe linux-serial" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html