From: Linus Walleij <linus.walleij@linaro.org>
Date: Sat, 10 Apr 2021 07:31:12 +0000 (-0700)
Subject: Input: cyttsp - error message on boot mode exit error
X-Git-Tag: v5.13-rc1~26^2~2^2~8
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=39841136766651e487458d9ee1660fe86aa697f3;p=thirdparty%2Fkernel%2Flinux.git

Input: cyttsp - error message on boot mode exit error

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 <linus.walleij@linaro.org>
Link: https://lore.kernel.org/r/20210408131153.3446138-5-linus.walleij@linaro.org
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
---

diff --git a/drivers/input/touchscreen/cyttsp_core.c b/drivers/input/touchscreen/cyttsp_core.c
index c59aa6b8d257d..4dc387659e2a4 100644
--- a/drivers/input/touchscreen/cyttsp_core.c
+++ b/drivers/input/touchscreen/cyttsp_core.c
@@ -408,8 +408,10 @@ 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 ||