u8 regs[MEMMAP_SIZE];
};
-static int sandbox_pmc_emul_read_config(struct udevice *emul, uint offset,
+static int sandbox_pmc_emul_read_config(const struct udevice *emul, uint offset,
ulong *valuep, enum pci_size_t size)
{
struct pmc_emul_platdata *plat = dev_get_platdata(emul);