[PATCH 05/15] usb: typec: tcpci: use GENMASK() for TCPC_ROLE_CTRL_RP_VAL

From: André Draszik
Date: Wed Jul 10 2024 - 06:40:10 EST


Align the last remaining field TCPC_ROLE_CTRL_RP_VAL with the other
fields in the TCPC_ROLE_CTRL register by using GENMASK() and
FIELD_PREP().

Signed-off-by: André Draszik <andre.draszik@xxxxxxxxxx>
---
drivers/usb/typec/tcpm/tcpci.c | 21 ++++++++++++---------
drivers/usb/typec/tcpm/tcpci_rt1711h.c | 12 ++++++------
include/linux/usb/tcpci.h | 3 +--
3 files changed, 19 insertions(+), 17 deletions(-)

diff --git a/drivers/usb/typec/tcpm/tcpci.c b/drivers/usb/typec/tcpm/tcpci.c
index cd71ece7b956..5ad05a5bbbd1 100644
--- a/drivers/usb/typec/tcpm/tcpci.c
+++ b/drivers/usb/typec/tcpm/tcpci.c
@@ -114,17 +114,20 @@ static int tcpci_set_cc(struct tcpc_dev *tcpc, enum typec_cc_status cc)
case TYPEC_CC_RP_DEF:
reg = (FIELD_PREP(TCPC_ROLE_CTRL_CC1, TCPC_ROLE_CTRL_CC_RP)
| FIELD_PREP(TCPC_ROLE_CTRL_CC2, TCPC_ROLE_CTRL_CC_RP)
- | (TCPC_ROLE_CTRL_RP_VAL_DEF << TCPC_ROLE_CTRL_RP_VAL_SHIFT));
+ | FIELD_PREP(TCPC_ROLE_CTRL_RP_VAL,
+ TCPC_ROLE_CTRL_RP_VAL_DEF));
break;
case TYPEC_CC_RP_1_5:
reg = (FIELD_PREP(TCPC_ROLE_CTRL_CC1, TCPC_ROLE_CTRL_CC_RP)
| FIELD_PREP(TCPC_ROLE_CTRL_CC2, TCPC_ROLE_CTRL_CC_RP)
- | (TCPC_ROLE_CTRL_RP_VAL_1_5 << TCPC_ROLE_CTRL_RP_VAL_SHIFT));
+ | FIELD_PREP(TCPC_ROLE_CTRL_RP_VAL,
+ TCPC_ROLE_CTRL_RP_VAL_1_5));
break;
case TYPEC_CC_RP_3_0:
reg = (FIELD_PREP(TCPC_ROLE_CTRL_CC1, TCPC_ROLE_CTRL_CC_RP)
| FIELD_PREP(TCPC_ROLE_CTRL_CC2, TCPC_ROLE_CTRL_CC_RP)
- | (TCPC_ROLE_CTRL_RP_VAL_3_0 << TCPC_ROLE_CTRL_RP_VAL_SHIFT));
+ | FIELD_PREP(TCPC_ROLE_CTRL_RP_VAL,
+ TCPC_ROLE_CTRL_RP_VAL_3_0));
break;
case TYPEC_CC_OPEN:
default:
@@ -194,16 +197,16 @@ static int tcpci_start_toggling(struct tcpc_dev *tcpc,
switch (cc) {
default:
case TYPEC_CC_RP_DEF:
- reg |= (TCPC_ROLE_CTRL_RP_VAL_DEF <<
- TCPC_ROLE_CTRL_RP_VAL_SHIFT);
+ reg |= FIELD_PREP(TCPC_ROLE_CTRL_RP_VAL,
+ TCPC_ROLE_CTRL_RP_VAL_DEF);
break;
case TYPEC_CC_RP_1_5:
- reg |= (TCPC_ROLE_CTRL_RP_VAL_1_5 <<
- TCPC_ROLE_CTRL_RP_VAL_SHIFT);
+ reg |= FIELD_PREP(TCPC_ROLE_CTRL_RP_VAL,
+ TCPC_ROLE_CTRL_RP_VAL_1_5);
break;
case TYPEC_CC_RP_3_0:
- reg |= (TCPC_ROLE_CTRL_RP_VAL_3_0 <<
- TCPC_ROLE_CTRL_RP_VAL_SHIFT);
+ reg |= FIELD_PREP(TCPC_ROLE_CTRL_RP_VAL,
+ TCPC_ROLE_CTRL_RP_VAL_3_0);
break;
}

diff --git a/drivers/usb/typec/tcpm/tcpci_rt1711h.c b/drivers/usb/typec/tcpm/tcpci_rt1711h.c
index bdb78d08b5b5..64f6dd0dc660 100644
--- a/drivers/usb/typec/tcpm/tcpci_rt1711h.c
+++ b/drivers/usb/typec/tcpm/tcpci_rt1711h.c
@@ -232,16 +232,16 @@ static int rt1711h_start_drp_toggling(struct tcpci *tcpci,
switch (cc) {
default:
case TYPEC_CC_RP_DEF:
- reg |= (TCPC_ROLE_CTRL_RP_VAL_DEF <<
- TCPC_ROLE_CTRL_RP_VAL_SHIFT);
+ reg |= FIELD_PREP(TCPC_ROLE_CTRL_RP_VAL,
+ TCPC_ROLE_CTRL_RP_VAL_DEF);
break;
case TYPEC_CC_RP_1_5:
- reg |= (TCPC_ROLE_CTRL_RP_VAL_1_5 <<
- TCPC_ROLE_CTRL_RP_VAL_SHIFT);
+ reg |= FIELD_PREP(TCPC_ROLE_CTRL_RP_VAL,
+ TCPC_ROLE_CTRL_RP_VAL_1_5);
break;
case TYPEC_CC_RP_3_0:
- reg |= (TCPC_ROLE_CTRL_RP_VAL_3_0 <<
- TCPC_ROLE_CTRL_RP_VAL_SHIFT);
+ reg |= FIELD_PREP(TCPC_ROLE_CTRL_RP_VAL,
+ TCPC_ROLE_CTRL_RP_VAL_3_0);
break;
}

diff --git a/include/linux/usb/tcpci.h b/include/linux/usb/tcpci.h
index 552d074429f0..80652d4f722e 100644
--- a/include/linux/usb/tcpci.h
+++ b/include/linux/usb/tcpci.h
@@ -63,8 +63,7 @@

#define TCPC_ROLE_CTRL 0x1a
#define TCPC_ROLE_CTRL_DRP BIT(6)
-#define TCPC_ROLE_CTRL_RP_VAL_SHIFT 4
-#define TCPC_ROLE_CTRL_RP_VAL_MASK 0x3
+#define TCPC_ROLE_CTRL_RP_VAL GENMASK(5, 4)
#define TCPC_ROLE_CTRL_RP_VAL_DEF 0x0
#define TCPC_ROLE_CTRL_RP_VAL_1_5 0x1
#define TCPC_ROLE_CTRL_RP_VAL_3_0 0x2

--
2.45.2.803.g4e1b14247a-goog