linux-kernel - [PATCH 2/3] mfd: tqmx86: clear GPIO IRQ resource when no IRQ is set

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Date:   Wed, 31 Mar 2021 13:35:44 +0200
From:   Matthias Schiffer <matthias.schiffer@...tq-group.com>
To:     Linus Walleij <linus.walleij@...aro.org>,
        Bartosz Golaszewski <bgolaszewski@...libre.com>
Cc:     Lee Jones <lee.jones@...aro.org>, linux-gpio@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Matthias Schiffer <matthias.schiffer@...tq-group.com>
Subject: [PATCH 2/3] mfd: tqmx86: clear GPIO IRQ resource when no IRQ is set

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.

Signed-off-by: Matthias Schiffer <matthias.schiffer@...tq-group.com>
---
 drivers/mfd/tqmx86.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/mfd/tqmx86.c b/drivers/mfd/tqmx86.c
index ddddf08b6a4c..732013f40e4e 100644
--- a/drivers/mfd/tqmx86.c
+++ b/drivers/mfd/tqmx86.c
@@ -209,6 +209,8 @@ 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);
-- 
2.17.1