staging: et131x: Use for loop to initialise contiguous registers to zero

Replace a long list of contiguous writel() calls with a for loop iterating
over the same values.

Signed-off-by: Mark Einon <mark.einon@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/et131x/et131x.c b/drivers/staging/et131x/et131x.c
index 83b3b1eb468f73591513b4505d0a1d098b350107..38e2cfe4c01519e0c6d24121aadd209b64c7161b 100644 (file)
--- a/drivers/staging/et131x/et131x.c
+++ b/drivers/staging/et131x/et131x.c
@@ -1138,6 +1138,7 @@ static void et1310_config_rxmac_regs(struct et131x_adapter *adapter)
        u32 sa_lo;
        u32 sa_hi = 0;
        u32 pf_ctrl = 0;
+       u32 *wolw;
 
        /* Disable the MAC while it is being configured (also disable WOL) */
        writel(0x8, &rxmac->ctrl);
@@ -1151,30 +1152,8 @@ static void et1310_config_rxmac_regs(struct et131x_adapter *adapter)
         * its default Values of 0x00000000 because there are not WOL masks
         * as of this time.
         */
-       writel(0, &rxmac->mask0_word0);
-       writel(0, &rxmac->mask0_word1);
-       writel(0, &rxmac->mask0_word2);
-       writel(0, &rxmac->mask0_word3);
-
-       writel(0, &rxmac->mask1_word0);
-       writel(0, &rxmac->mask1_word1);
-       writel(0, &rxmac->mask1_word2);
-       writel(0, &rxmac->mask1_word3);
-
-       writel(0, &rxmac->mask2_word0);
-       writel(0, &rxmac->mask2_word1);
-       writel(0, &rxmac->mask2_word2);
-       writel(0, &rxmac->mask2_word3);
-
-       writel(0, &rxmac->mask3_word0);
-       writel(0, &rxmac->mask3_word1);
-       writel(0, &rxmac->mask3_word2);
-       writel(0, &rxmac->mask3_word3);
-
-       writel(0, &rxmac->mask4_word0);
-       writel(0, &rxmac->mask4_word1);
-       writel(0, &rxmac->mask4_word2);
-       writel(0, &rxmac->mask4_word3);
+       for (wolw = &rxmac->mask0_word0; wolw <= &rxmac->mask4_word3; wolw++)
+               writel(0, wolw);
 
        /* Lets setup the WOL Source Address */
        sa_lo = (adapter->addr[2] << ET_RX_WOL_LO_SA3_SHIFT) |