ath6kl: make ath6kl_bmi_[read|write]_hi32() endian safe

[cascardo/linux.git] / drivers / net / wireless / ath / ath6kl / bmi.h

diff --git a/drivers/net/wireless/ath/ath6kl/bmi.h b/drivers/net/wireless/ath/ath6kl/bmi.h
index f1ca681..18fdd69 100644 (file)
--- a/drivers/net/wireless/ath/ath6kl/bmi.h
+++ b/drivers/net/wireless/ath/ath6kl/bmi.h
@@ -1,5 +1,6 @@
 /*
  * Copyright (c) 2004-2011 Atheros Communications Inc.
+ * Copyright (c) 2011 Qualcomm Atheros, Inc.
  *
  * Permission to use, copy, modify, and/or distribute this software for any
  * purpose with or without fee is hereby granted, provided that the above
@@ -222,6 +223,29 @@ struct ath6kl_bmi_target_info {
        __le32 type;         /* target type */
 } __packed;
 
+#define ath6kl_bmi_write_hi32(ar, item, val)                           \
+       ({                                                              \
+               u32 addr;                                               \
+               __le32 v;                                               \
+                                                                       \
+               addr = ath6kl_get_hi_item_addr(ar, HI_ITEM(item));      \
+               v = cpu_to_le32(val);                                   \
+               ath6kl_bmi_write(ar, addr, (u8 *) &v, sizeof(v));       \
+       })
+
+#define ath6kl_bmi_read_hi32(ar, item, val)                            \
+       ({                                                              \
+               u32 addr, *check_type = val;                            \
+               __le32 tmp;                                             \
+               int ret;                                                \
+                                                                       \
+               (void) (check_type == val);                             \
+               addr = ath6kl_get_hi_item_addr(ar, HI_ITEM(item));      \
+               ret = ath6kl_bmi_read(ar, addr, (u8 *) &tmp, 4);        \
+               *val = le32_to_cpu(tmp);                                \
+               ret;                                                    \
+       })
+
 int ath6kl_bmi_init(struct ath6kl *ar);
 void ath6kl_bmi_cleanup(struct ath6kl *ar);
 void ath6kl_bmi_reset(struct ath6kl *ar);