drivers/pci/fixups-sdk7786.c

1 // SPDX-License-Identifier: GPL-2.0
17  * time, and both appear on port 3 to the PCI bus scan. Enabling slot 4
18  * (the horizontal edge connector) will disable slot 3 entirely.
20  * Misconfigurations can be detected through the FPGA via the slot
40 	 * Enable slot #4 if it's been specified on the command line.  in sdk7786_pci_init()
42 	 * Optionally reroute if slot #4 has a card present while slot #3  in sdk7786_pci_init()
49 		pr_info("Activating PCIe slot#4 (disabling slot#3)\n");  in sdk7786_pci_init()
54 		/* Warn about forced rerouting if slot#3 is occupied */  in sdk7786_pci_init()
56 			pr_warn("Unreachable card detected in slot#3\n");  in sdk7786_pci_init()
57 			return -EBUSY;  in sdk7786_pci_init()
60 		pr_info("PCIe slot#4 disabled\n");  in sdk7786_pci_init()