1 /* SPDX-License-Identifier: GPL-2.0-or-later */ 2 3 #include <intelblocks/spi.h> 4 #include <soc/pci_devs.h> 5 spi_soc_devfn_to_bus(unsigned int devfn)6int spi_soc_devfn_to_bus(unsigned int devfn) 7 { 8 switch (devfn) { 9 case PCH_DEVFN_SPI0: 10 return 0; 11 case PCH_DEVFN_SPI1: 12 return 1; 13 case PCH_DEVFN_SPI2: 14 return 2; 15 } 16 return -1; 17 } 18