From: Jacob Keller Date: Wed, 13 Apr 2016 23:08:23 +0000 (-0700) Subject: ixgbe: resolve shift of negative value warning X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=3e973dc4b93da06e38b263c9bd7e239d8f3f251f;p=linux-beck.git ixgbe: resolve shift of negative value warning Make use of GENMASK instead of open coding the equivalent operation incorrectly. Signed-off-by: Jacob Keller Tested-by: Andrew Bowers Signed-off-by: Jeff Kirsher --- diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c index b41a26fe57de..60592cfa5ca6 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c @@ -3766,9 +3766,9 @@ static void ixgbe_configure_virtualization(struct ixgbe_adapter *adapter) reg_offset = (VMDQ_P(0) >= 32) ? 1 : 0; /* Enable only the PF's pool for Tx/Rx */ - IXGBE_WRITE_REG(hw, IXGBE_VFRE(reg_offset), (~0) << vf_shift); + IXGBE_WRITE_REG(hw, IXGBE_VFRE(reg_offset), GENMASK(vf_shift, 31)); IXGBE_WRITE_REG(hw, IXGBE_VFRE(reg_offset ^ 1), reg_offset - 1); - IXGBE_WRITE_REG(hw, IXGBE_VFTE(reg_offset), (~0) << vf_shift); + IXGBE_WRITE_REG(hw, IXGBE_VFTE(reg_offset), GENMASK(vf_shift, 31)); IXGBE_WRITE_REG(hw, IXGBE_VFTE(reg_offset ^ 1), reg_offset - 1); if (adapter->bridge_mode == BRIDGE_MODE_VEB) IXGBE_WRITE_REG(hw, IXGBE_PFDTXGSWC, IXGBE_PFDTXGSWC_VT_LBEN);