linux-kernel - [PATCH] irqchip/ls-extirq: Fix endianness detection

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Date:   Thu,  1 Dec 2022 16:28:07 -0500
From:   Sean Anderson <sean.anderson@...o.com>
To:     Thomas Gleixner <tglx@...utronix.de>,
        Marc Zyngier <maz@...nel.org>,
        Vladimir Oltean <vladimir.oltean@....com>,
        linux-arm-kernel@...ts.infradead.org
Cc:     linux-kernel@...r.kernel.org, Li Yang <leoyang.li@....com>,
        Shawn Guo <shawnguo@...nel.org>,
        Sean Anderson <sean.anderson@...o.com>
Subject: [PATCH] irqchip/ls-extirq: Fix endianness detection

parent is the interrupt parent, not the parent of node. Use
node->parent. This fixes endianness detection on big-endian platforms.

Fixes: 1b00adce8afd ("irqchip/ls-extirq: Fix invalid wait context by avoiding to use regmap")
Signed-off-by: Sean Anderson <sean.anderson@...o.com>
---

 drivers/irqchip/irq-ls-extirq.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/irqchip/irq-ls-extirq.c b/drivers/irqchip/irq-ls-extirq.c
index d8d48b1f7c29..139f26b0a6ef 100644
--- a/drivers/irqchip/irq-ls-extirq.c
+++ b/drivers/irqchip/irq-ls-extirq.c
@@ -203,7 +203,7 @@ ls_extirq_of_init(struct device_node *node, struct device_node *parent)
 	if (ret)
 		goto err_parse_map;
 
-	priv->big_endian = of_device_is_big_endian(parent);
+	priv->big_endian = of_device_is_big_endian(node->parent);
 	priv->is_ls1021a_or_ls1043a = of_device_is_compatible(node, "fsl,ls1021a-extirq") ||
 				      of_device_is_compatible(node, "fsl,ls1043a-extirq");
 	raw_spin_lock_init(&priv->lock);
-- 
2.35.1.1320.gc452695387.dirty