diff mbox series

mtd: rawnand: denali_dt: make the core clock optional

Message ID 20200109115556.17407-1-yamada.masahiro@socionext.com
State Superseded
Headers show
Series mtd: rawnand: denali_dt: make the core clock optional | expand

Commit Message

Masahiro Yamada Jan. 9, 2020, 11:55 a.m. UTC 
From: Masahiro Yamada Masahiro Yamada <yamada.masahiro at 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 Masahiro Yamada <yamada.masahiro at socionext.com>
Signed-off-by: Masahiro Yamada <yamada.masahiro at socionext.com>
---

 drivers/mtd/nand/raw/denali_dt.c | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)
diff mbox series

Patch

diff --git a/drivers/mtd/nand/raw/denali_dt.c b/drivers/mtd/nand/raw/denali_dt.c
index 0ce81324b90e..b1e14982c443 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);