Provide a proper error message when attempting to exit
boot loader mode and failing, which is something that
happened to me.

Reviewed-by: Javier Martinez Canillas <javier@dowhile0.org>
Signed-off-by: Linus Walleij <redacted>
---
ChangeLog v1->v3:
- Collect Javier's Reviewed-by
---
 drivers/input/touchscreen/cyttsp_core.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/input/touchscreen/cyttsp_core.c b/drivers/input/touchscreen/cyttsp_core.c
index a19d7cce95ca..91f8f38b3f06 100644
--- a/drivers/input/touchscreen/cyttsp_core.c
+++ b/drivers/input/touchscreen/cyttsp_core.c

@@ -410,8 +410,10 @@ static int cyttsp_power_on(struct cyttsp *ts)
 	if (GET_BOOTLOADERMODE(ts->bl_data.bl_status) &&
 	    IS_VALID_APP(ts->bl_data.bl_status)) {
 		error = cyttsp_exit_bl_mode(ts);
-		if (error)
+		if (error) {
+			dev_err(ts->dev, "failed to exit bootloader mode\n");
 			return error;
+		}
 	}
 
 	if (GET_HSTMODE(ts->bl_data.bl_file) != CY_OPERATE_MODE ||

-- 
2.29.2