drivers/net/ethernet/sfc: use standard __{clear,set}_bit_le() functions

There are now standard functions for dealing with little-endian bit
arrays, so use them instead of our own implementations.

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: Takuya Yoshikawa <yoshikawa.takuya@oss.ntt.co.jp>
Cc: David Miller <davem@davemloft.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/drivers/net/ethernet/sfc/nic.c b/drivers/net/ethernet/sfc/nic.c
index cdff40b..aab7cac 100644
--- a/drivers/net/ethernet/sfc/nic.c
+++ b/drivers/net/ethernet/sfc/nic.c
@@ -472,9 +472,9 @@
 
 		efx_reado(efx, &reg, FR_AA_TX_CHKSM_CFG);
 		if (tx_queue->queue & EFX_TXQ_TYPE_OFFLOAD)
-			clear_bit_le(tx_queue->queue, (void *)&reg);
+			__clear_bit_le(tx_queue->queue, &reg);
 		else
-			set_bit_le(tx_queue->queue, (void *)&reg);
+			__set_bit_le(tx_queue->queue, &reg);
 		efx_writeo(efx, &reg, FR_AA_TX_CHKSM_CFG);
 	}