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-rw-r--r--drivers/nvmem/rockchip-efuse.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/nvmem/rockchip-efuse.c b/drivers/nvmem/rockchip-efuse.c
index 123de77ca5d6..a91372816c0a 100644
--- a/drivers/nvmem/rockchip-efuse.c
+++ b/drivers/nvmem/rockchip-efuse.c
@@ -217,7 +217,9 @@ static int rockchip_efuse_probe(struct platform_device *pdev)
return PTR_ERR(efuse->clk);
efuse->dev = &pdev->dev;
- econfig.size = resource_size(res);
+ if (of_property_read_u32(dev->of_node, "rockchip,efuse-size",
+ &econfig.size))
+ econfig.size = resource_size(res);
econfig.reg_read = match->data;
econfig.priv = efuse;
econfig.dev = efuse->dev;