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

From: Guru Das Srinagesh
Date: Wed May 10 2017 - 00:39:52 EST


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@xxxxxxxxx>
---
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