linux-kernel - [PATCH -next] usb: cdns3: fix warning when USB_CDNS

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Message-Id: <20201208195547.30076-1-rdunlap@infradead.org>
Date:   Tue,  8 Dec 2020 11:55:47 -0800
From:   Randy Dunlap <rdunlap@...radead.org>
To:     linux-kernel@...r.kernel.org
Cc:     Randy Dunlap <rdunlap@...radead.org>,
        Peter Chen <peter.chen@....com>,
        Pawel Laszczak <pawell@...ence.com>,
        Roger Quadros <rogerq@...com>, linux-usb@...r.kernel.org,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Subject: [PATCH -next] usb: cdns3: fix warning when USB_CDNS_HOST is not set

Fix a build warning when USB_CDNS_HOST is not enabled:

In file included from ../drivers/usb/cdns3/core.c:23:0:
../drivers/usb/cdns3/host-export.h:27:51: warning: ‘struct usb_hcd’ declared inside parameter list will not be visible outside of this definition or declaration
 static inline int xhci_cdns3_suspend_quirk(struct usb_hcd *hcd)
                                                   ^~~~~~~

Signed-off-by: Randy Dunlap <rdunlap@...radead.org>
Cc: Peter Chen <peter.chen@....com>
Cc: Pawel Laszczak <pawell@...ence.com>
Cc: Roger Quadros <rogerq@...com>
Cc: linux-usb@...r.kernel.org
Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
 drivers/usb/cdns3/host-export.h |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

--- linux-next-20201208.orig/drivers/usb/cdns3/host-export.h
+++ linux-next-20201208/drivers/usb/cdns3/host-export.h
@@ -9,10 +9,10 @@
 #ifndef __LINUX_CDNS3_HOST_EXPORT
 #define __LINUX_CDNS3_HOST_EXPORT
 
-#if IS_ENABLED(CONFIG_USB_CDNS_HOST)
-
 struct usb_hcd;
 
+#if IS_ENABLED(CONFIG_USB_CDNS_HOST)
+
 int cdns_host_init(struct cdns *cdns);
 int xhci_cdns3_suspend_quirk(struct usb_hcd *hcd);