From 1d8a078b29433f35608cd0fbd94d0feed3bfb33d Mon Sep 17 00:00:00 2001 From: Bin Meng Date: Wed, 26 Aug 2015 06:17:27 -0700 Subject: [PATCH] net: e1000: Fix build warnings for 32-bit commit 6497e37 "net: e1000: Support 64-bit physical address" causes compiler warnings on 32-bit U-Boot build below. drivers/net/e1000.c: In function 'e1000_configure_tx': drivers/net/e1000.c:4982:2: warning: right shift count >= width of type [enabled by default] drivers/net/e1000.c: In function 'e1000_configure_rx': drivers/net/e1000.c:5126:2: warning: right shift count >= width of type [enabled by default] This commit fixes the build warnings. Signed-off-by: Bin Meng Acked-by: Simon Glass Acked-by: Joe Hershberger --- drivers/net/e1000.c | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-) diff --git a/drivers/net/e1000.c b/drivers/net/e1000.c index 6f74d304d1..7b830ff8c0 100644 --- a/drivers/net/e1000.c +++ b/drivers/net/e1000.c @@ -4978,8 +4978,8 @@ e1000_configure_tx(struct e1000_hw *hw) unsigned long tipg, tarc; uint32_t ipgr1, ipgr2; - E1000_WRITE_REG(hw, TDBAL, (unsigned long)tx_base & 0xffffffff); - E1000_WRITE_REG(hw, TDBAH, (unsigned long)tx_base >> 32); + E1000_WRITE_REG(hw, TDBAL, lower_32_bits((unsigned long)tx_base)); + E1000_WRITE_REG(hw, TDBAH, upper_32_bits((unsigned long)tx_base)); E1000_WRITE_REG(hw, TDLEN, 128); @@ -5103,6 +5103,7 @@ e1000_configure_rx(struct e1000_hw *hw) { unsigned long rctl, ctrl_ext; rx_tail = 0; + /* make sure receives are disabled while setting up the descriptors */ rctl = E1000_READ_REG(hw, RCTL); E1000_WRITE_REG(hw, RCTL, rctl & ~E1000_RCTL_EN); @@ -5122,8 +5123,8 @@ e1000_configure_rx(struct e1000_hw *hw) E1000_WRITE_FLUSH(hw); } /* Setup the Base and Length of the Rx Descriptor Ring */ - E1000_WRITE_REG(hw, RDBAL, (unsigned long)rx_base & 0xffffffff); - E1000_WRITE_REG(hw, RDBAH, (unsigned long)rx_base >> 32); + E1000_WRITE_REG(hw, RDBAL, lower_32_bits((unsigned long)rx_base)); + E1000_WRITE_REG(hw, RDBAH, upper_32_bits((unsigned long)rx_base)); E1000_WRITE_REG(hw, RDLEN, 128); -- 2.34.1