From: Johannes Berg <johannes.berg@intel.com>
Date: Sat, 13 Apr 2013 13:19:29 +0000 (+0200)
Subject: backports: fix USB PM in case of !CONFIG_USB_SUSPEND
X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=cfabd926f92c8821251fed6af4868755d896347b;p=openwrt%2Fstaging%2Fblogic.git

backports: fix USB PM in case of !CONFIG_USB_SUSPEND

Even in this case, the variable is an int on old kernels.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
---

diff --git a/backport/backport-include/linux/usb.h b/backport/backport-include/linux/usb.h
index 3821575ffcc0..8ea9d75021a4 100644
--- a/backport/backport-include/linux/usb.h
+++ b/backport/backport-include/linux/usb.h
@@ -83,11 +83,19 @@ extern void usb_autopm_put_interface_no_suspend(struct usb_interface *intf);
 #else
 static inline void usb_autopm_get_interface_no_resume(struct usb_interface *intf)
 {
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,32))
 	atomic_inc(&intf->pm_usage_cnt);
+#else
+	intf->pm_usage_cnt++;
+#endif
 }
 static inline void usb_autopm_put_interface_no_suspend(struct usb_interface *intf)
 {
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,32))
 	atomic_dec(&intf->pm_usage_cnt);
+#else
+	intf->pm_usage_cnt--;
+#endif
 }
 #endif /* CONFIG_USB_SUSPEND */
 #endif /* < 2.6.33 */