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From:   =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <zajec5@gmail.com>
To:     Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Cc:     Miquel Raynal <miquel.raynal@bootlin.com>,
        Michael Walle <michael@walle.cc>,
        linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org,
        =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <rafal@milecki.pl>
Subject: [PATCH] nvmem: core: fix nvmem_layout_get_match_data()
Date:   Tue, 10 Jan 2023 11:46:45 +0100
Message-Id: <20230110104645.11705-1-zajec5@gmail.com>
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From: Rafał Miłecki <rafal@milecki.pl>

This function was trying to match wrong OF node (parent device's)
against an of_match_table. It was always returning NULL.

Make it match layout's OF node against layout's of_match_table.

Fixes: f5709a684a0a ("nvmem: core: introduce NVMEM layouts")
Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
---
 drivers/nvmem/core.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/nvmem/core.c b/drivers/nvmem/core.c
index d112bb1328c1..1f05f0a50d86 100644
--- a/drivers/nvmem/core.c
+++ b/drivers/nvmem/core.c
@@ -825,8 +825,10 @@ const void *nvmem_layout_get_match_data(struct nvmem_device *nvmem,
 					struct nvmem_layout *layout)
 {
 	const struct of_device_id *match;
+	struct device_node *layout_np;
 
-	match = of_match_node(layout->of_match_table, nvmem->dev.of_node);
+	layout_np = of_nvmem_layout_get_container(nvmem);
+	match = of_match_node(layout->of_match_table, layout_np);
 
 	return match ? match->data : NULL;
 }
-- 
2.34.1