[2/3] mtd: rawnand: denali_dt: make the core clock optional
diff mbox series

Message ID 20200110001417.82917-2-marex@denx.de
State Superseded
Delegated to: Marek Vasut
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Series
  • [1/3] mtd: rawnand: denali-spl: Add missing hardware init
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Commit Message

Marek Vasut Jan. 10, 2020, 12:14 a.m. UTC
From: Masahiro Yamada <yamada.masahiro@socionext.com>

The "nand_x" and "ecc" clocks are currently optional. Make the core
clock optional in the same way. This will allow platforms with no clock
driver support to use this driver.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Tested-by: Marek Vasut <marex@denx.de> # On SoCFPGA Arria V
---
 drivers/mtd/nand/raw/denali_dt.c | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

Patch
diff mbox series

diff --git a/drivers/mtd/nand/raw/denali_dt.c b/drivers/mtd/nand/raw/denali_dt.c
index 0ce81324b9..b1e14982c4 100644
--- a/drivers/mtd/nand/raw/denali_dt.c
+++ b/drivers/mtd/nand/raw/denali_dt.c
@@ -91,7 +91,7 @@  static int denali_dt_probe(struct udevice *dev)
 	if (ret)
 		ret = clk_get_by_index(dev, 0, &clk);
 	if (ret)
-		return ret;
+		clk.dev = NULL;
 
 	ret = clk_get_by_name(dev, "nand_x", &clk_x);
 	if (ret)
@@ -101,9 +101,11 @@  static int denali_dt_probe(struct udevice *dev)
 	if (ret)
 		clk_ecc.dev = NULL;
 
-	ret = clk_enable(&clk);
-	if (ret)
-		return ret;
+	if (clk.dev) {
+		ret = clk_enable(&clk);
+		if (ret)
+			return ret;
+	}
 
 	if (clk_x.dev) {
 		ret = clk_enable(&clk_x);