/* SPDX-License-Identifier: GPL-2.0-or-later */ #include #include int spi_soc_devfn_to_bus(unsigned int devfn) { switch (devfn) { case PCH_DEVFN_SPI: return 0; case PCH_DEVFN_GSPI0: return 1; case PCH_DEVFN_GSPI1: return 2; case PCH_DEVFN_GSPI2: return 3; } return -1; }