Commit 11f3c1f5 authored by Mark Einon's avatar Mark Einon Committed by David S. Miller
Browse files

net: ethernet: et131x: Remove redundant register read 



Following the removal of an unused variable assignment (remove
unused variable 'pm_csr') the associated register read can also go,
as the read also occurs in the subsequent et1310_in_phy_coma()
call.

Signed-off-by: default avatarMark Einon <mark.einon@gmail.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent eacc43d2

drivers/net/ethernet/agere/et131x.c

+0 −3
Original line number Diff line number Diff line
@@ -983,7 +983,6 @@ static void et1310_setup_device_for_multicast(struct et131x_adapter *adapter) 
	}



	/* Write out the new hash to the device */

	readl(&adapter->regs->global.pm_csr);

	if (!et1310_in_phy_coma(adapter)) {

		writel(hash1, &rxmac->multi_hash1);

		writel(hash2, &rxmac->multi_hash2);
@@ -1023,7 +1022,6 @@ static void et1310_setup_device_for_unicast(struct et131x_adapter *adapter) 
		  (adapter->addr[4] << ET_RX_UNI_PF_ADDR1_5_SHIFT) |

		   adapter->addr[5];



	readl(&adapter->regs->global.pm_csr);

	if (!et1310_in_phy_coma(adapter)) {

		writel(uni_pf1, &rxmac->uni_pf_addr1);

		writel(uni_pf2, &rxmac->uni_pf_addr2);
@@ -3444,7 +3442,6 @@ static irqreturn_t et131x_isr(int irq, void *dev_id) 
			/* Tell the device to send a pause packet via the back

			 * pressure register (bp req and bp xon/xoff)

			 */

			readl(&iomem->global.pm_csr);

			if (!et1310_in_phy_coma(adapter))

				writel(3, &iomem->txmac.bp_ctrl);

		}

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