From: Matthias Schiffer <matthias.schiffer@ew.tq-group.com>
Date: Fri, 16 Jul 2021 10:00:48 +0000 (+0200)
Subject: mfd: tqmx86: Clear GPIO IRQ resource when no IRQ is set
X-Git-Tag: v5.4.148~14
X-Git-Url: http://git.ipfire.org/gitweb/?a=commitdiff_plain;h=5f289dcf0b0221878f7fa665071bdddb301b38fe;p=thirdparty%2Fkernel%2Fstable.git

mfd: tqmx86: Clear GPIO IRQ resource when no IRQ is set

[ Upstream commit a946506c48f3bd09363c9d2b0a178e55733bcbb6 ]

The driver was registering IRQ 0 when no IRQ was set. This leads to
warnings with newer kernels.

Clear the resource flags, so no resource is registered at all in this
case.

Fixes: 2f17dd34ffed ("mfd: tqmx86: IO controller with I2C, Wachdog and GPIO")
Signed-off-by: Matthias Schiffer <matthias.schiffer@ew.tq-group.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---

diff --git a/drivers/mfd/tqmx86.c b/drivers/mfd/tqmx86.c
index 22d2f02d855c2..ccc5a9ac788c1 100644
--- a/drivers/mfd/tqmx86.c
+++ b/drivers/mfd/tqmx86.c
@@ -210,6 +210,8 @@ static int tqmx86_probe(struct platform_device *pdev)
 
 		/* Assumes the IRQ resource is first. */
 		tqmx_gpio_resources[0].start = gpio_irq;
+	} else {
+		tqmx_gpio_resources[0].flags = 0;
 	}
 
 	ocores_platfom_data.clock_khz = tqmx86_board_id_to_clk_rate(board_id);