/* SPDX-License-Identifier: GPL-2.0-only */ #include #include #include int dw_i2c_soc_devfn_to_bus(unsigned int devfn) { switch (devfn) { case PCI_DEVFN_I2C0: return 0; case PCI_DEVFN_I2C1: return 1; case PCI_DEVFN_I2C2: return 2; case PCI_DEVFN_I2C3: return 3; case PCI_DEVFN_I2C4: return 4; case PCI_DEVFN_I2C5: return 5; } return -1; } int dw_i2c_soc_bus_to_devfn(unsigned int bus) { switch (bus) { case 0: return PCI_DEVFN_I2C0; case 1: return PCI_DEVFN_I2C1; case 2: return PCI_DEVFN_I2C2; case 3: return PCI_DEVFN_I2C3; case 4: return PCI_DEVFN_I2C4; case 5: return PCI_DEVFN_I2C5; } return -1; }