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

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Date:   Mon, 28 May 2018 17:36:13 +0300
From:   Roger Quadros <rogerq@...com>
To:     <balbi@...nel.org>
CC:     <linux-usb@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        Roger Quadros <rogerq@...com>
Subject: [PATCH 1/2] usb: dwc3: of-simple: Don't fail if no clock entries

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

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)
-- 
cheers,
-roger

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