From 935783bcc312350e51177bb325a9118472478b7c Mon Sep 17 00:00:00 2001
From: Stefan Christ <s.christ@phytec.de>
Date: Tue, 11 Jan 2022 07:32:00 +0100
Subject: [PATCH] spidev: avoid warning when used directly in device tree

Avoid warning

    [    2.991522] spidev spi2.2: buggy DT: spidev listed directly in DT

when using spidev in device tree. See

    https://github.com/raspberrypi/linux/issues/1054

Signed-off-by: Stefan Christ <s.christ@phytec.de>
Signed-off-by: Stefan Riedmueller <s.riedmueller@phytec.de>
Signed-off-by: Jan Remmet <j.remmet@phytec.de>
Signed-off-by: Yunus Bas <y.bas@phytec.de>
Signed-off-by: Andrej Picej <andrej.picej@norik.com>
Reviewed-by: Yunus Bas <y.bas@phytec.de>
---
 drivers/spi/spidev.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/spi/spidev.c b/drivers/spi/spidev.c
index 1bd73e322b7bb..75f9c4bc6d31a 100644
--- a/drivers/spi/spidev.c
+++ b/drivers/spi/spidev.c
@@ -696,6 +696,8 @@ static const struct of_device_id spidev_dt_ids[] = {
 	{ .compatible = "menlo,m53cpld" },
 	{ .compatible = "cisco,spi-petra" },
 	{ .compatible = "micron,spi-authenta" },
+	/* avoids warning "buggy DT: spidev listed directly in DT" */
+	{ .compatible = "spidev" },
 	{},
 };
 MODULE_DEVICE_TABLE(of, spidev_dt_ids);