[PATCH 5.4 249/260] mfd: tqmx86: Clear GPIO IRQ resource when no IRQ is set

From: Greg Kroah-Hartman
Date: Mon Sep 20 2021 - 14:28:41 EST


From: Matthias Schiffer <matthias.schiffer@xxxxxxxxxxxxxxx>

[ 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@xxxxxxxxxxxxxxx>
Reviewed-by: Andrew Lunn <andrew@xxxxxxx>
Signed-off-by: Lee Jones <lee.jones@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
drivers/mfd/tqmx86.c | 2 ++
1 file changed, 2 insertions(+)

diff --git a/drivers/mfd/tqmx86.c b/drivers/mfd/tqmx86.c
index 22d2f02d855c..ccc5a9ac788c 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);
--
2.30.2