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[07/15] usb: typec: tcpci: use GENMASK() for TCPC_TRANSMIT register fields

Message ID 20240710-tcpc-cleanup-v1-7-0ec1f41f4263@linaro.org
State New
Headers show
Series usb: typec: tcpci: few TCPCi & TCPCi-Maxim cleanups (mostly genmask()) | expand

Commit Message

André Draszik July 10, 2024, 10:36 a.m. UTC
Convert all fields from register TCPC_TRANSMIT to using GENMASK() and
FIELD_PREP() so as to keep using a similar approach throughout the code
base and make it arguably easier to read.

Signed-off-by: André Draszik <andre.draszik@linaro.org>
---
 drivers/usb/typec/tcpm/tcpci.c | 7 +++++--
 include/linux/usb/tcpci.h      | 6 ++----
 2 files changed, 7 insertions(+), 6 deletions(-)
diff mbox series

Patch

diff --git a/drivers/usb/typec/tcpm/tcpci.c b/drivers/usb/typec/tcpm/tcpci.c
index ad5c9d5bf6a9..b9ee9ccff99b 100644
--- a/drivers/usb/typec/tcpm/tcpci.c
+++ b/drivers/usb/typec/tcpm/tcpci.c
@@ -607,8 +607,11 @@  static int tcpci_pd_transmit(struct tcpc_dev *tcpc, enum tcpm_transmit_type type
 	}
 
 	/* nRetryCount is 3 in PD2.0 spec where 2 in PD3.0 spec */
-	reg = ((negotiated_rev > PD_REV20 ? PD_RETRY_COUNT_3_0_OR_HIGHER : PD_RETRY_COUNT_DEFAULT)
-	       << TCPC_TRANSMIT_RETRY_SHIFT) | (type << TCPC_TRANSMIT_TYPE_SHIFT);
+	reg = FIELD_PREP(TCPC_TRANSMIT_RETRY,
+			 (negotiated_rev > PD_REV20
+			  ? PD_RETRY_COUNT_3_0_OR_HIGHER
+			  : PD_RETRY_COUNT_DEFAULT));
+	reg |= FIELD_PREP(TCPC_TRANSMIT_TYPE, type);
 	ret = regmap_write(tcpci->regmap, TCPC_TRANSMIT, reg);
 	if (ret < 0)
 		return ret;
diff --git a/include/linux/usb/tcpci.h b/include/linux/usb/tcpci.h
index 3cd61e9f73b3..f7f5cfbdef12 100644
--- a/include/linux/usb/tcpci.h
+++ b/include/linux/usb/tcpci.h
@@ -148,10 +148,8 @@ 
 #define TCPC_RX_DATA			0x34 /* through 0x4f */
 
 #define TCPC_TRANSMIT			0x50
-#define TCPC_TRANSMIT_RETRY_SHIFT	4
-#define TCPC_TRANSMIT_RETRY_MASK	0x3
-#define TCPC_TRANSMIT_TYPE_SHIFT	0
-#define TCPC_TRANSMIT_TYPE_MASK		0x7
+#define TCPC_TRANSMIT_RETRY		GENMASK(5, 4)
+#define TCPC_TRANSMIT_TYPE		GENMASK(2, 0)
 
 #define TCPC_TX_BYTE_CNT		0x51
 #define TCPC_TX_HDR			0x52