From: Bin Meng <bin.meng@windriver.com>
Date: Tue, 15 Sep 2020 08:05:06 +0000 (+0800)
Subject: ram: sifive: Check return value on clk_enable()
X-Git-Url: http://git.dujemihanovic.xyz/?a=commitdiff_plain;h=f8c9660bfe17100a27ca4cf28f957a25cb420255;p=u-boot.git

ram: sifive: Check return value on clk_enable()

The return value should be checked otherwise it's useless to
assign the return value to 'ret'.

Signed-off-by: Bin Meng <bin.meng@windriver.com>
---

diff --git a/drivers/ram/sifive/fu540_ddr.c b/drivers/ram/sifive/fu540_ddr.c
index 5ff88692a8..f5b2873b33 100644
--- a/drivers/ram/sifive/fu540_ddr.c
+++ b/drivers/ram/sifive/fu540_ddr.c
@@ -369,6 +369,11 @@ static int fu540_ddr_probe(struct udevice *dev)
 	}
 
 	ret = clk_enable(&priv->ddr_clk);
+	if (ret < 0) {
+		debug("Could not enable DDR clock\n");
+		return ret;
+	}
+
 	priv->ctl = regmap_get_range(map, 0);
 	priv->phy = regmap_get_range(map, 1);
 	priv->physical_filter_ctrl = regmap_get_range(map, 2);