x86/pci: Reorder pci_mmcfg_arch_map() definition before calls

The typical style is to define functions before calling them.  Move
pci_mmcfg_arch_map() and pci_mmcfg_arch_unmap() earlier so they're defined
before they're called.  No functional change intended.

Link: https://lore.kernel.org/r/20231121183643.249006-10-helgaas@kernel.org
Tested-by: Tomasz Pala <gotar@polanet.pl>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>

diff --git a/arch/x86/pci/mmconfig_64.c b/arch/x86/pci/mmconfig_64.c
index dfdeac0a75719bcd26c5b27b7eb1782d70921f51..cb5aa79a759e1ce9e5c1e5b77c3463afd5a05d30 100644 (file)
--- a/arch/x86/pci/mmconfig_64.c
+++ b/arch/x86/pci/mmconfig_64.c
@@ -111,6 +111,25 @@ static void __iomem *mcfg_ioremap(struct pci_mmcfg_region *cfg)
        return addr;
 }
 
+int pci_mmcfg_arch_map(struct pci_mmcfg_region *cfg)
+{
+       cfg->virt = mcfg_ioremap(cfg);
+       if (!cfg->virt) {
+               pr_err("can't map ECAM at %pR\n", &cfg->res);
+               return -ENOMEM;
+       }
+
+       return 0;
+}
+
+void pci_mmcfg_arch_unmap(struct pci_mmcfg_region *cfg)
+{
+       if (cfg && cfg->virt) {
+               iounmap(cfg->virt + PCI_MMCFG_BUS_OFFSET(cfg->start_bus));
+               cfg->virt = NULL;
+       }
+}
+
 int __init pci_mmcfg_arch_init(void)
 {
        struct pci_mmcfg_region *cfg;
@@ -133,22 +152,3 @@ void __init pci_mmcfg_arch_free(void)
        list_for_each_entry(cfg, &pci_mmcfg_list, list)
                pci_mmcfg_arch_unmap(cfg);
 }
-
-int pci_mmcfg_arch_map(struct pci_mmcfg_region *cfg)
-{
-       cfg->virt = mcfg_ioremap(cfg);
-       if (!cfg->virt) {
-               pr_err("can't map ECAM at %pR\n", &cfg->res);
-               return -ENOMEM;
-       }
-
-       return 0;
-}
-
-void pci_mmcfg_arch_unmap(struct pci_mmcfg_region *cfg)
-{
-       if (cfg && cfg->virt) {
-               iounmap(cfg->virt + PCI_MMCFG_BUS_OFFSET(cfg->start_bus));
-               cfg->virt = NULL;
-       }
-}