[PATCH 2/3] staging: typec: add tcpci_read16_le.

[? ? <incarnation.p.lee@xxxxxxxxxxx>]

From: Pan Li <incarnation.p.lee@xxxxxxxxxxx>

Add tcpci_read16_le for pd_message header type __le16.

Signed-off-by: Pan Li <incarnation.p.lee@xxxxxxxxxxx>
---
 drivers/staging/typec/tcpci.c | 15 ++++++++++-----
 1 file changed, 10 insertions(+), 5 deletions(-)

diff --git a/drivers/staging/typec/tcpci.c b/drivers/staging/typec/tcpci.c
index 2adb543..8da4a38 100644
--- a/drivers/staging/typec/tcpci.c
+++ b/drivers/staging/typec/tcpci.c
@@ -46,12 +46,17 @@ static inline struct tcpci *tcpc_to_tcpci(struct tcpc_dev *tcpc)
 	return container_of(tcpc, struct tcpci, tcpc);
 }
 
-static int tcpci_read16(struct tcpci *tcpci, unsigned int reg,
-			unsigned int *val)
+static int tcpci_read16(struct tcpci *tcpci, unsigned int reg, u16 *val)
+
 {
 	return regmap_raw_read(tcpci->regmap, reg, val, sizeof(u16));
 }
 
+static int tcpci_read16_le(struct tcpci *tcpci, unsigned int reg, __le16 *val)
+{
+	return regmap_raw_read(tcpci->regmap, reg, val, sizeof(__le16));
+}
+
 static int tcpci_write16(struct tcpci *tcpci, unsigned int reg, u16 val)
 {
 	return regmap_raw_write(tcpci->regmap, reg, &val, sizeof(u16));
@@ -355,7 +360,8 @@ static int tcpci_init(struct tcpc_dev *tcpc)
 static irqreturn_t tcpci_irq(int irq, void *dev_id)
 {
 	struct tcpci *tcpci = dev_id;
-	unsigned int status, reg;
+	unsigned int reg;
+	u16 status;
 
 	tcpci_read16(tcpci, TCPC_ALERT, &status);
 
@@ -389,8 +395,7 @@ 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;
+		tcpci_read16_le(tcpci, TCPC_RX_HDR, &msg.header);
 
 		if (WARN_ON(cnt > sizeof(msg.payload)))
 			cnt = sizeof(msg.payload);
-- 
1.9.1

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