1 files changed, 43 insertions, 0 deletions

diff --git a/drivers/net/wireless/rt2x00/rt2x00.h b/drivers/net/wireless/rt2x00/rt2x00.h
index 196de8ab815..c83dbaefd57 100644
--- a/drivers/net/wireless/rt2x00/rt2x00.h
+++ b/drivers/net/wireless/rt2x00/rt2x00.h
@@ -144,6 +144,11 @@ struct avg_val {
         int avg_weight;
 };
 
+enum rt2x00_chip_intf {
+        RT2X00_CHIP_INTF_PCI,
+        RT2X00_CHIP_INTF_USB,
+};
+
 /*
  * Chipset identification
  * The chipset on the device is composed of a RT and RF chip.
@@ -169,6 +174,8 @@ struct rt2x00_chip {
 
         u16 rf;
         u32 rev;
+
+        enum rt2x00_chip_intf intf;
 };
 
 /*
@@ -842,9 +849,23 @@ struct rt2x00_dev {
          * Firmware image.
          */
         const struct firmware *fw;
+
+        /*
+         * Driver specific data.
+         */
+        void *priv;
 };
 
 /*
+ * Register defines.
+ * Some registers require multiple attempts before success,
+ * in those cases REGISTER_BUSY_COUNT attempts should be
+ * taken with a REGISTER_BUSY_DELAY interval.
+ */
+#define REGISTER_BUSY_COUNT     5
+#define REGISTER_BUSY_DELAY     100
+
+/*
  * Generic RF access.
  * The RF is being accessed by word index.
  */
@@ -932,6 +953,28 @@ static inline bool rt2x00_check_rev(const struct rt2x00_chip *chipset,
         return ((chipset->rev & mask) == rev);
 }
 
+static inline void rt2x00_set_chip_intf(struct rt2x00_dev *rt2x00dev,
+                                        enum rt2x00_chip_intf intf)
+{
+        rt2x00dev->chip.intf = intf;
+}
+
+static inline bool rt2x00_intf(const struct rt2x00_chip *chipset,
+                               enum rt2x00_chip_intf intf)
+{
+        return (chipset->intf == intf);
+}
+
+static inline bool rt2x00_intf_is_pci(struct rt2x00_dev *rt2x00dev)
+{
+        return rt2x00_intf(&rt2x00dev->chip, RT2X00_CHIP_INTF_PCI);
+}
+
+static inline bool rt2x00_intf_is_usb(struct rt2x00_dev *rt2x00dev)
+{
+        return rt2x00_intf(&rt2x00dev->chip, RT2X00_CHIP_INTF_USB);
+}
+
 /**
  * rt2x00queue_map_txskb - Map a skb into DMA for TX purposes.
  * @rt2x00dev: Pointer to &struct rt2x00_dev.