From 4d893c104cda8961b8885737b2de73b83f7b6d0d Mon Sep 17 00:00:00 2001 From: Jesse Brandeburg Date: Tue, 5 Dec 2023 17:01:02 -0800 Subject: intel: legacy: field prep conversion Refactor several older Intel drivers to use FIELD_PREP(), which reduces lines of code and adds clarity of intent. This code was generated by the following coccinelle/spatch script and then manually repaired. @prep2@ constant shift,mask; type T; expression a; @@ -(((T)(a) << shift) & mask) +FIELD_PREP(mask, a) @prep@ constant shift,mask; type T; expression a; @@ -((T)((a) << shift) & mask) +FIELD_PREP(mask, a) Cc: Julia Lawall Reviewed-by: Marcin Szycik Reviewed-by: Simon Horman Signed-off-by: Jesse Brandeburg Tested-by: Pucha Himasekhar Reddy (A Contingent worker at Intel) Signed-off-by: Tony Nguyen --- drivers/net/ethernet/intel/igb/e1000_phy.c | 4 ++-- drivers/net/ethernet/intel/igb/igb_ethtool.c | 3 +-- drivers/net/ethernet/intel/igb/igb_main.c | 9 +++------ 3 files changed, 6 insertions(+), 10 deletions(-) (limited to 'drivers/net/ethernet/intel/igb') diff --git a/drivers/net/ethernet/intel/igb/e1000_phy.c b/drivers/net/ethernet/intel/igb/e1000_phy.c index 3c1b562a3271..c84e7356cdb1 100644 --- a/drivers/net/ethernet/intel/igb/e1000_phy.c +++ b/drivers/net/ethernet/intel/igb/e1000_phy.c @@ -255,7 +255,7 @@ s32 igb_read_phy_reg_i2c(struct e1000_hw *hw, u32 offset, u16 *data) } /* Need to byte-swap the 16-bit value. */ - *data = ((i2ccmd >> 8) & 0x00FF) | ((i2ccmd << 8) & 0xFF00); + *data = ((i2ccmd >> 8) & 0x00FF) | FIELD_PREP(0xFF00, i2ccmd); return 0; } @@ -282,7 +282,7 @@ s32 igb_write_phy_reg_i2c(struct e1000_hw *hw, u32 offset, u16 data) } /* Swap the data bytes for the I2C interface */ - phy_data_swapped = ((data >> 8) & 0x00FF) | ((data << 8) & 0xFF00); + phy_data_swapped = ((data >> 8) & 0x00FF) | FIELD_PREP(0xFF00, data); /* Set up Op-code, Phy Address, and register address in the I2CCMD * register. The MAC will take care of interfacing with the diff --git a/drivers/net/ethernet/intel/igb/igb_ethtool.c b/drivers/net/ethernet/intel/igb/igb_ethtool.c index d868a70732f4..9d79ea3cd528 100644 --- a/drivers/net/ethernet/intel/igb/igb_ethtool.c +++ b/drivers/net/ethernet/intel/igb/igb_ethtool.c @@ -2711,8 +2711,7 @@ static int igb_rxnfc_write_etype_filter(struct igb_adapter *adapter, etqf |= (etype & E1000_ETQF_ETYPE_MASK); etqf &= ~E1000_ETQF_QUEUE_MASK; - etqf |= ((input->action << E1000_ETQF_QUEUE_SHIFT) - & E1000_ETQF_QUEUE_MASK); + etqf |= FIELD_PREP(E1000_ETQF_QUEUE_MASK, input->action); etqf |= E1000_ETQF_QUEUE_ENABLE; wr32(E1000_ETQF(i), etqf); diff --git a/drivers/net/ethernet/intel/igb/igb_main.c b/drivers/net/ethernet/intel/igb/igb_main.c index b2295caa2f0a..897eb36bb609 100644 --- a/drivers/net/ethernet/intel/igb/igb_main.c +++ b/drivers/net/ethernet/intel/igb/igb_main.c @@ -9810,8 +9810,7 @@ static void igb_set_vf_rate_limit(struct e1000_hw *hw, int vf, int tx_rate, tx_rate; bcnrc_val = E1000_RTTBCNRC_RS_ENA; - bcnrc_val |= ((rf_int << E1000_RTTBCNRC_RF_INT_SHIFT) & - E1000_RTTBCNRC_RF_INT_MASK); + bcnrc_val |= FIELD_PREP(E1000_RTTBCNRC_RF_INT_MASK, rf_int); bcnrc_val |= (rf_dec & E1000_RTTBCNRC_RF_DEC_MASK); } else { bcnrc_val = 0; @@ -10000,8 +9999,7 @@ static void igb_init_dmac(struct igb_adapter *adapter, u32 pba) hwm = 64 * (pba - 6); reg = rd32(E1000_FCRTC); reg &= ~E1000_FCRTC_RTH_COAL_MASK; - reg |= ((hwm << E1000_FCRTC_RTH_COAL_SHIFT) - & E1000_FCRTC_RTH_COAL_MASK); + reg |= FIELD_PREP(E1000_FCRTC_RTH_COAL_MASK, hwm); wr32(E1000_FCRTC, reg); /* Set the DMA Coalescing Rx threshold to PBA - 2 * max @@ -10010,8 +10008,7 @@ static void igb_init_dmac(struct igb_adapter *adapter, u32 pba) dmac_thr = pba - 10; reg = rd32(E1000_DMACR); reg &= ~E1000_DMACR_DMACTHR_MASK; - reg |= ((dmac_thr << E1000_DMACR_DMACTHR_SHIFT) - & E1000_DMACR_DMACTHR_MASK); + reg |= FIELD_PREP(E1000_DMACR_DMACTHR_MASK, dmac_thr); /* transition to L0x or L1 if available..*/ reg |= (E1000_DMACR_DMAC_EN | E1000_DMACR_DMAC_LX_MASK); -- cgit