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Message-Id: <1408573078-9320-4-git-send-email-mark.einon@gmail.com> Date: Wed, 20 Aug 2014 23:17:53 +0100 From: Mark Einon <mark.einon@...il.com> To: gregkh@...uxfoundation.org Cc: devel@...verdev.osuosl.org, linux-kernel@...r.kernel.org, netdev@...r.kernel.org, Mark Einon <mark.einon@...il.com> Subject: [PATCH 3/8] 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@...il.com> --- drivers/staging/et131x/et131x.c | 27 +++------------------------ 1 file changed, 3 insertions(+), 24 deletions(-) diff --git a/drivers/staging/et131x/et131x.c b/drivers/staging/et131x/et131x.c index fffe763..44cc684 100644 --- 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) | -- 2.1.0 -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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