[1/2] usb: dwc3: of-simple: Don't fail if no clock entries

Message ID 1527518174-27860-1-git-send-email-rogerq@ti.com
State New
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Series
  • [1/2] usb: dwc3: of-simple: Don't fail if no clock entries
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Commit Message

Roger Quadros May 28, 2018, 2:36 p.m.
of_count_phandle_with_args() returns -ENOENT (-2) if
there are no clock entries. Don't fail in such a case.

Signed-off-by: Roger Quadros <rogerq@ti.com>

---
 drivers/usb/dwc3/dwc3-of-simple.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

-- 
cheers,
-roger

Texas Instruments Finland Oy, Porkkalankatu 22, 00180 Helsinki.
Y-tunnus/Business ID: 0615521-4. Kotipaikka/Domicile: Helsinki

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Patch

diff --git a/drivers/usb/dwc3/dwc3-of-simple.c b/drivers/usb/dwc3/dwc3-of-simple.c
index cb2ee96..e98d221 100644
--- a/drivers/usb/dwc3/dwc3-of-simple.c
+++ b/drivers/usb/dwc3/dwc3-of-simple.c
@@ -36,11 +36,11 @@  static int dwc3_of_simple_clk_init(struct dwc3_of_simple *simple, int count)
 	struct device_node	*np = dev->of_node;
 	int			i;
 
-	simple->num_clocks = count;
-
-	if (!count)
+	if (count <= 0)
 		return 0;
 
+	simple->num_clocks = count;
+
 	simple->clks = devm_kcalloc(dev, simple->num_clocks,
 			sizeof(struct clk *), GFP_KERNEL);
 	if (!simple->clks)