iwlwifi: move iwl4965_get_dma_hi_address function to iwl-helpers.h
This patch moves iwl4965_get_dma_hi_address function to iwl-headers.h
as iwl_get_dma_hi_address. This function will be used in more chipsets
than only 4965.
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Zhu Yi <yi.zhu@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/iwlwifi/iwl-helpers.h b/drivers/net/wireless/iwlwifi/iwl-helpers.h
index e2a8d95..5228834 100644
--- a/drivers/net/wireless/iwlwifi/iwl-helpers.h
+++ b/drivers/net/wireless/iwlwifi/iwl-helpers.h
@@ -252,4 +252,9 @@
return end + (MAX_JIFFY_OFFSET - start);
}
+static inline u8 iwl_get_dma_hi_address(dma_addr_t addr)
+{
+ return sizeof(addr) > sizeof(u32) ? (addr >> 16) >> 16 : 0;
+}
+
#endif /* __iwl_helpers_h__ */