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@seco.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20221201212807.616191-1-sean.anderson@seco.com

diff --git a/drivers/irqchip/irq-ls-extirq.c b/drivers/irqchip/irq-ls-extirq.c
index d8d48b1f7c29d47afa700278d2cf6dded1b7051c..139f26b0a6ef847c0ab8cafd8dd2cc0038df626f 100644 (file)
--- 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);