linux-kernel - [PATCH] staging: typec: Fix sparse warnings about incorrect types

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Message-Id: <1494391184-2607-1-git-send-email-gurooodas@gmail.com>
Date:   Tue,  9 May 2017 21:39:44 -0700
From:   Guru Das Srinagesh <gurooodas@...il.com>
To:     groeck@...omium.org, linux@...ck-us.net, gregkh@...uxfoundation.org
Cc:     devel@...verdev.osuosl.org, linux-kernel@...r.kernel.org
Subject: [PATCH] staging: typec: Fix sparse warnings about incorrect types

Fix the following sparse warnings about incorrect type usage:

tcpci.c:290:38: warning: incorrect type in argument 1 (different base types)
tcpci.c:290:38:    expected unsigned short [unsigned] [usertype] header
tcpci.c:290:38:    got restricted __le16 const [usertype] header
tcpci.c:295:16: warning: incorrect type in assignment (different base types)
tcpci.c:295:16:    expected unsigned int [unsigned] header
tcpci.c:295:16:    got restricted __le16
tcpci.c:393:28: warning: incorrect type in assignment (different base types)
tcpci.c:393:28:    expected restricted __le16 [usertype] header
tcpci.c:393:28:    got unsigned int [unsigned] [addressable] reg

fusb302.c:1028:32: warning: incorrect type in argument 1 (different base types)
fusb302.c:1028:32:    expected unsigned short [unsigned] [usertype] header
fusb302.c:1028:32:    got restricted __le16 const [usertype] header
fusb302.c:1484:32: warning: incorrect type in argument 1 (different base types)
fusb302.c:1484:32:    expected unsigned short [unsigned] [usertype] header
fusb302.c:1484:32:    got restricted __le16 [usertype] header

Signed-off-by: Guru Das Srinagesh <gurooodas@...il.com>
---
 drivers/staging/typec/fusb302/fusb302.c | 4 ++--
 drivers/staging/typec/tcpci.c           | 6 +++---
 2 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/drivers/staging/typec/fusb302/fusb302.c b/drivers/staging/typec/fusb302/fusb302.c
index 2cee9a9..9612ef1 100644
--- a/drivers/staging/typec/fusb302/fusb302.c
+++ b/drivers/staging/typec/fusb302/fusb302.c
@@ -1025,7 +1025,7 @@ static int fusb302_pd_send_message(struct fusb302_chip *chip,
 	buf[pos++] = FUSB302_TKN_SYNC1;
 	buf[pos++] = FUSB302_TKN_SYNC2;
 
-	len = pd_header_cnt(msg->header) * 4;
+	len = pd_header_cnt(le16_to_cpu(msg->header)) * 4;
 	/* plug 2 for header */
 	len += 2;
 	if (len > 0x1F) {
@@ -1481,7 +1481,7 @@ static int fusb302_pd_read_message(struct fusb302_chip *chip,
 				     (u8 *)&msg->header);
 	if (ret < 0)
 		return ret;
-	len = pd_header_cnt(msg->header) * 4;
+	len = pd_header_cnt(le16_to_cpu(msg->header)) * 4;
 	/* add 4 to length to include the CRC */
 	if (len > PD_MAX_PAYLOAD * 4) {
 		fusb302_log(chip, "PD message too long %d", len);
diff --git a/drivers/staging/typec/tcpci.c b/drivers/staging/typec/tcpci.c
index 5e5be74..d0c22a7 100644
--- a/drivers/staging/typec/tcpci.c
+++ b/drivers/staging/typec/tcpci.c
@@ -287,12 +287,12 @@ static int tcpci_pd_transmit(struct tcpc_dev *tcpc,
 	unsigned int reg, cnt, header;
 	int ret;
 
-	cnt = msg ? pd_header_cnt(msg->header) * 4 : 0;
+	cnt = msg ? pd_header_cnt(le16_to_cpu(msg->header)) * 4 : 0;
 	ret = regmap_write(tcpci->regmap, TCPC_TX_BYTE_CNT, cnt + 2);
 	if (ret < 0)
 		return ret;
 
-	header = msg ? msg->header : 0;
+	header = msg ? le16_to_cpu(msg->header) : 0;
 	ret = tcpci_write16(tcpci, TCPC_TX_HDR, header);
 	if (ret < 0)
 		return ret;
@@ -390,7 +390,7 @@ static irqreturn_t tcpci_irq(int irq, void *dev_id)
 		regmap_read(tcpci->regmap, TCPC_RX_BYTE_CNT, &cnt);
 
 		tcpci_read16(tcpci, TCPC_RX_HDR, &reg);
-		msg.header = reg;
+		msg.header = cpu_to_le16(reg);
 
 		if (WARN_ON(cnt > sizeof(msg.payload)))
 			cnt = sizeof(msg.payload);
-- 
2.7.4