[PATCH 10/10] Input: synaptics-rmi4 - use __le16 for FIFO offset in F54

[Dmitry Torokhov]

Instead of manually splitting the 16-bit offset into a 2-byte array,
use __le16 and cpu_to_le16() to serialize the FIFO offset in
rmi_f54_work(). This is cleaner and more portable.

Assisted-by: Antigravity:gemini-3.5-flash
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@xxxxxxxxx>
---
 drivers/input/rmi4/rmi_f54.c | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/drivers/input/rmi4/rmi_f54.c b/drivers/input/rmi4/rmi_f54.c
index 5d045ece3c2f..3eeb189be18b 100644
--- a/drivers/input/rmi4/rmi_f54.c
+++ b/drivers/input/rmi4/rmi_f54.c
@@ -15,6 +15,7 @@
 #include <media/v4l2-ioctl.h>
 #include <media/videobuf2-v4l2.h>
 #include <media/videobuf2-vmalloc.h>
+#include <asm/byteorder.h>
 #include "rmi_driver.h"
 
 #define F54_NAME		"rmi4_f54"
@@ -552,7 +553,6 @@ static void rmi_f54_work(struct work_struct *work)
 {
 	struct f54_data *f54 = container_of(work, struct f54_data, work.work);
 	struct rmi_function *fn = f54->fn;
-	u8 fifo[2];
 	size_t report_size;
 	u8 command;
 	int error;
@@ -597,12 +597,11 @@ static void rmi_f54_work(struct work_struct *work)
 
 	for (size_t i = 0; i < report_size; i += F54_REPORT_DATA_SIZE) {
 		size_t size = min_t(size_t, F54_REPORT_DATA_SIZE, report_size - i);
+		__le16 fifo = cpu_to_le16(i);
 
-		fifo[0] = i & 0xff;
-		fifo[1] = i >> 8;
 		error = rmi_write_block(fn->rmi_dev,
 					fn->fd.data_base_addr + F54_FIFO_OFFSET,
-					fifo, sizeof(fifo));
+					&fifo, sizeof(fifo));
 		if (error) {
 			dev_err(&fn->dev, "Failed to set fifo start offset\n");
 			goto out;
-- 
2.55.0.rc0.799.gd6f94ed593-goog