PCI: pciehp: Remove unused dbg/err/info/warn() wrappers

Replace the last uses of dbg() with the equivalent pr_debug(), then remove
unused dbg(), err(), info(), and warn() wrappers.

Link: https://lore.kernel.org/lkml/[e-mail]
Signed-off-by: Frederick Lawler <[e-mail]>
Signed-off-by: Bjorn Helgaas <[e-mail]>
Reviewed-by: Keith Busch <[e-mail]>
Reviewed-by: Andy Shevchenko <[e-mail]>

drivers/pci/hotplug/pciehp.h

···
  * Set CONFIG_DYNAMIC_DEBUG=y and boot with 'dyndbg="file pciehp* +p"' to
  * enable debug messages.
  */
-#define dbg(format, arg...)						\
-	pr_debug(format, ## arg);
-#define err(format, arg...)						\
-	pr_err(format, ## arg)
-#define info(format, arg...)						\
-	pr_info(format, ## arg)
-#define warn(format, arg...)						\
-	pr_warn(format, ## arg)
-
 #define ctrl_dbg(ctrl, format, arg...)					\
 	pci_dbg(ctrl->pcie->port, format, ## arg)
 #define ctrl_err(ctrl, format, arg...)					\

drivers/pci/hotplug/pciehp_core.c

···
 	int retval = 0;
 
 	retval = pcie_port_service_register(&hpdriver_portdrv);
-	dbg("pcie_port_service_register = %d\n", retval);
+	pr_debug("pcie_port_service_register = %d\n", retval);
 	if (retval)
-		dbg("Failure to register service\n");
+		pr_debug("Failure to register service\n");
 
 	return retval;
 }

drivers/pci/hotplug/pciehp_hpc.c

···
 	} while (delay > 0);
 
 	if (count > 1)
-		dbg("pci %04x:%02x:%02x.%d id reading try %d times with interval %d ms to get %08x\n",
+		pr_debug("pci %04x:%02x:%02x.%d id reading try %d times with interval %d ms to get %08x\n",
 			pci_domain_nr(bus), bus->number, PCI_SLOT(devfn),
 			PCI_FUNC(devfn), count, step, l);