From: Alexander Duyck Date: Fri, 18 Mar 2016 23:06:53 +0000 (-0700) Subject: igb: Fix sparse warning about passing __beXX into leXX_to_cpup X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=415cd2a645b2573f173cc52419049f9caacf9a47;p=linux-beck.git igb: Fix sparse warning about passing __beXX into leXX_to_cpup We were casting the addr as __beXX and then passing it into le32_to_cpu because the device expects the MAC address to be in network order even though the register set is little endian. Instead of casting it as __beXX we can just cast it as __leXX in order to maintain consistency since the region of memory is already in little endian order as far as we are concerned. Signed-off-by: Alexander Duyck Tested-by: Aaron Brown Signed-off-by: Jeff Kirsher --- diff --git a/drivers/net/ethernet/intel/igb/igb_main.c b/drivers/net/ethernet/intel/igb/igb_main.c index 55a1405cb2a1..36814a2e326d 100644 --- a/drivers/net/ethernet/intel/igb/igb_main.c +++ b/drivers/net/ethernet/intel/igb/igb_main.c @@ -7845,11 +7845,13 @@ static void igb_rar_set_qsel(struct igb_adapter *adapter, u8 *addr, u32 index, struct e1000_hw *hw = &adapter->hw; u32 rar_low, rar_high; - /* HW expects these in little endian so we reverse the byte order - * from network order (big endian) to CPU endian + /* HW expects these to be in network order when they are plugged + * into the registers which are little endian. In order to guarantee + * that ordering we need to do an leXX_to_cpup here in order to be + * ready for the byteswap that occurs with writel */ - rar_low = le32_to_cpup((__be32 *)(addr)); - rar_high = le16_to_cpup((__be16 *)(addr + 4)); + rar_low = le32_to_cpup((__le32 *)(addr)); + rar_high = le16_to_cpup((__le16 *)(addr + 4)); /* Indicate to hardware the Address is Valid. */ rar_high |= E1000_RAH_AV;