ice: field prep conversion

Refactor ice driver 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.

Several places I changed to OR into a single variable with |= instead of
using a multi-line statement with trailing OR operators, as it
(subjectively) makes the code clearer.

A local variable vmvf_and_timeout was created and used to avoid multiple
logical ORs being __le16 converted, which shortened some lines and makes
the code cleaner.

Also clean up a couple of places where conversions were made to have the
code read more clearly/consistently.

@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 <Julia.Lawall@inria.fr>
CC: Alexander Lobakin <aleksander.lobakin@intel.com>
Reviewed-by: Marcin Szycik <marcin.szycik@linux.intel.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Tested-by: Pucha Himasekhar Reddy <himasekharx.reddy.pucha@intel.com> (A Contingent worker at Intel)
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>

1 files changed, 16 insertions, 19 deletions

diff --git a/drivers/net/ethernet/intel/ice/ice_common.c b/drivers/net/ethernet/intel/ice/ice_common.c
index 08a1f699a34f..0a9c4581005b 100644
--- a/drivers/net/ethernet/intel/ice/ice_common.c
+++ b/drivers/net/ethernet/intel/ice/ice_common.c
@@ -3884,6 +3884,7 @@ ice_aq_sff_eeprom(struct ice_hw *hw, u16 lport, u8 bus_addr,
 {
 	struct ice_aqc_sff_eeprom *cmd;
 	struct ice_aq_desc desc;
+	u16 i2c_bus_addr;
 	int status;
 
 	if (!data || (mem_addr & 0xff00))
@@ -3894,15 +3895,13 @@ ice_aq_sff_eeprom(struct ice_hw *hw, u16 lport, u8 bus_addr,
 	desc.flags = cpu_to_le16(ICE_AQ_FLAG_RD);
 	cmd->lport_num = (u8)(lport & 0xff);
 	cmd->lport_num_valid = (u8)((lport >> 8) & 0x01);
-	cmd->i2c_bus_addr = cpu_to_le16(((bus_addr >> 1) &
-					 ICE_AQC_SFF_I2CBUS_7BIT_M) |
-					((set_page <<
-					  ICE_AQC_SFF_SET_EEPROM_PAGE_S) &
-					 ICE_AQC_SFF_SET_EEPROM_PAGE_M));
-	cmd->i2c_mem_addr = cpu_to_le16(mem_addr & 0xff);
-	cmd->eeprom_page = cpu_to_le16((u16)page << ICE_AQC_SFF_EEPROM_PAGE_S);
+	i2c_bus_addr = FIELD_PREP(ICE_AQC_SFF_I2CBUS_7BIT_M, bus_addr >> 1) |
+		       FIELD_PREP(ICE_AQC_SFF_SET_EEPROM_PAGE_M, set_page);
 	if (write)
-		cmd->i2c_bus_addr |= cpu_to_le16(ICE_AQC_SFF_IS_WRITE);
+		i2c_bus_addr |= ICE_AQC_SFF_IS_WRITE;
+	cmd->i2c_bus_addr = cpu_to_le16(i2c_bus_addr);
+	cmd->i2c_mem_addr = cpu_to_le16(mem_addr & 0xff);
+	cmd->eeprom_page = le16_encode_bits(page, ICE_AQC_SFF_EEPROM_PAGE_M);
 
 	status = ice_aq_send_cmd(hw, &desc, data, length, cd);
 	return status;
@@ -4157,6 +4156,7 @@ ice_aq_dis_lan_txq(struct ice_hw *hw, u8 num_qgrps,
 	struct ice_aqc_dis_txq_item *item;
 	struct ice_aqc_dis_txqs *cmd;
 	struct ice_aq_desc desc;
+	u16 vmvf_and_timeout;
 	u16 i, sz = 0;
 	int status;
 
@@ -4172,27 +4172,26 @@ ice_aq_dis_lan_txq(struct ice_hw *hw, u8 num_qgrps,
 
 	cmd->num_entries = num_qgrps;
 
-	cmd->vmvf_and_timeout = cpu_to_le16((5 << ICE_AQC_Q_DIS_TIMEOUT_S) &
-					    ICE_AQC_Q_DIS_TIMEOUT_M);
+	vmvf_and_timeout = FIELD_PREP(ICE_AQC_Q_DIS_TIMEOUT_M, 5);
 
 	switch (rst_src) {
 	case ICE_VM_RESET:
 		cmd->cmd_type = ICE_AQC_Q_DIS_CMD_VM_RESET;
-		cmd->vmvf_and_timeout |=
-			cpu_to_le16(vmvf_num & ICE_AQC_Q_DIS_VMVF_NUM_M);
+		vmvf_and_timeout |= vmvf_num & ICE_AQC_Q_DIS_VMVF_NUM_M;
 		break;
 	case ICE_VF_RESET:
 		cmd->cmd_type = ICE_AQC_Q_DIS_CMD_VF_RESET;
 		/* In this case, FW expects vmvf_num to be absolute VF ID */
-		cmd->vmvf_and_timeout |=
-			cpu_to_le16((vmvf_num + hw->func_caps.vf_base_id) &
-				    ICE_AQC_Q_DIS_VMVF_NUM_M);
+		vmvf_and_timeout |= (vmvf_num + hw->func_caps.vf_base_id) &
+				    ICE_AQC_Q_DIS_VMVF_NUM_M;
 		break;
 	case ICE_NO_RESET:
 	default:
 		break;
 	}
 
+	cmd->vmvf_and_timeout = cpu_to_le16(vmvf_and_timeout);
+
 	/* flush pipe on time out */
 	cmd->cmd_type |= ICE_AQC_Q_DIS_CMD_FLUSH_PIPE;
 	/* If no queue group info, we are in a reset flow. Issue the AQ */
@@ -4267,10 +4266,8 @@ ice_aq_cfg_lan_txq(struct ice_hw *hw, struct ice_aqc_cfg_txqs_buf *buf,
 	cmd->cmd_type = ICE_AQC_Q_CFG_TC_CHNG;
 	cmd->num_qs = num_qs;
 	cmd->port_num_chng = (oldport & ICE_AQC_Q_CFG_SRC_PRT_M);
-	cmd->port_num_chng |= (newport << ICE_AQC_Q_CFG_DST_PRT_S) &
-			      ICE_AQC_Q_CFG_DST_PRT_M;
-	cmd->time_out = (5 << ICE_AQC_Q_CFG_TIMEOUT_S) &
-			ICE_AQC_Q_CFG_TIMEOUT_M;
+	cmd->port_num_chng |= FIELD_PREP(ICE_AQC_Q_CFG_DST_PRT_M, newport);
+	cmd->time_out = FIELD_PREP(ICE_AQC_Q_CFG_TIMEOUT_M, 5);
 	cmd->blocked_cgds = 0;
 
 	status = ice_aq_send_cmd(hw, &desc, buf, buf_size, cd);