usb: renesas-xhci: Build loader into the main xhci-pci module

This doesn't make any sense as a module, since it becomes a symbol
dependency of the main driver if enabled, and therefore would always be
loaded regardless of the user's hardware. Just compile it in, if
enabled.

Signed-off-by: Hector Martin <marcan@marcan.st>

Author: marcan

drivers/usb/host/Kconfig

@@ -40,11 +40,11 @@ config USB_XHCI_DBGCAP
 config USB_XHCI_PCI
 	tristate
 	depends on USB_PCI
-	depends on USB_XHCI_PCI_RENESAS || !USB_XHCI_PCI_RENESAS
 	default y
 
 config USB_XHCI_PCI_RENESAS
-	tristate "Support for additional Renesas xHCI controller with firmware"
+	bool "Support for Renesas xHCI controllers with firmware"
+	depends on USB_XHCI_PCI
 	help
 	  Say 'Y' to enable the support for the Renesas xHCI controller with
 	  firmware. Make sure you have the firmware for the device and

drivers/usb/host/Makefile

@@ -68,7 +68,8 @@ obj-$(CONFIG_USB_UHCI_HCD)	+= uhci-hcd.o
 obj-$(CONFIG_USB_FHCI_HCD)	+= fhci.o
 obj-$(CONFIG_USB_XHCI_HCD)	+= xhci-hcd.o
 obj-$(CONFIG_USB_XHCI_PCI)	+= xhci-pci.o
-obj-$(CONFIG_USB_XHCI_PCI_RENESAS)	+= xhci-pci-renesas.o
+xhci-pci-y			+= xhci-pci-core.o
+xhci-pci-$(CONFIG_USB_XHCI_PCI_RENESAS)	+= xhci-pci-renesas.o
 obj-$(CONFIG_USB_XHCI_PLATFORM) += xhci-plat-hcd.o
 obj-$(CONFIG_USB_XHCI_HISTB)	+= xhci-histb.o
 obj-$(CONFIG_USB_XHCI_RCAR)	+= xhci-rcar-hcd.o

drivers/usb/host/xhci-pci.c drivers/usb/host/xhci-pci-core.cdrivers/usb/host/xhci-pci.c renamed to drivers/usb/host/xhci-pci-core.c

@@ -3,7 +3,6 @@
 
 #include <linux/acpi.h>
 #include <linux/firmware.h>
-#include <linux/module.h>
 #include <linux/pci.h>
 #include <linux/slab.h>
 #include <asm/unaligned.h>
@@ -625,6 +624,5 @@ int renesas_xhci_check_request_fw(struct pci_dev *pdev,
 	release_firmware(fw);
 	return err;
 }
-EXPORT_SYMBOL_GPL(renesas_xhci_check_request_fw);
 
-MODULE_LICENSE("GPL v2");
+MODULE_FIRMWARE("renesas_usb_fw.mem");

drivers/usb/host/xhci-pci-renesas.c

@@ -9,7 +9,7 @@ int renesas_xhci_check_request_fw(struct pci_dev *dev,
 				  const struct pci_device_id *id);
 
 #else
-static int renesas_xhci_check_request_fw(struct pci_dev *dev,
+static inline int renesas_xhci_check_request_fw(struct pci_dev *dev,
 					 const struct pci_device_id *id)
 {
 	return 0;