Openwrt/target/linux/ipq806x/patches-4.4/097-3-usb-dwc3-Remove-impossible-check-for-of_clk_get_pare.patch
Pavel Kubelun 70434c3f94 ipq806x: switch to upstream usb driver and backport fixes
Also removing fifo-resize property drom DT as it has been removed from the driver.

Signed-off-by: Pavel Kubelun <be.dissent@gmail.com>
2016-11-21 09:58:42 +01:00

48 lines
1.4 KiB
Diff

From 07c8b15688055d81ac8e1c8c964b9e4c302287f1 Mon Sep 17 00:00:00 2001
From: Stephen Boyd <sboyd@codeaurora.org>
Date: Mon, 22 Feb 2016 11:12:47 -0800
Subject: [PATCH] usb: dwc3: Remove impossible check for
of_clk_get_parent_count() < 0
The check for < 0 is impossible now that
of_clk_get_parent_count() returns an unsigned int. Simplify the
code and update the types.
Acked-by: Felipe Balbi <balbi@kernel.org>
Cc: <linux-usb@vger.kernel.org>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
(cherry picked from commit 3d755dcc20dd452b52532eca17da40ebbd12aee9)
Change-Id: Iaa38e064d801fb36c855fea51c0443840368e0d3
Signed-off-by: Nitheesh Sekar <nsekar@codeaurora.org>
---
drivers/usb/dwc3/dwc3-of-simple.c | 9 +++++----
1 file changed, 5 insertions(+), 4 deletions(-)
--- a/drivers/usb/dwc3/dwc3-of-simple.c
+++ b/drivers/usb/dwc3/dwc3-of-simple.c
@@ -42,6 +42,7 @@ static int dwc3_of_simple_probe(struct p
struct device *dev = &pdev->dev;
struct device_node *np = dev->of_node;
+ unsigned int count;
int ret;
int i;
@@ -49,11 +50,11 @@ static int dwc3_of_simple_probe(struct p
if (!simple)
return -ENOMEM;
- ret = of_clk_get_parent_count(np);
- if (ret < 0)
- return ret;
+ count = of_clk_get_parent_count(np);
+ if (!count)
+ return -ENOENT;
- simple->num_clocks = ret;
+ simple->num_clocks = count;
simple->clks = devm_kcalloc(dev, simple->num_clocks,
sizeof(struct clk *), GFP_KERNEL);