mirror of
https://github.com/openwrt/openwrt.git
synced 2024-12-30 18:47:06 +00:00
0a17d2970a
Make the behaviour of clk_get_rate consistent with common clk's clk_get_rate by accepting NULL clocks as parameter. Some device drivers rely on this, and will cause an OOPS otherwise. Fixes: FS#735 Signed-off-by: Mathias Kresin <dev@kresin.me>
44 lines
1.4 KiB
Diff
44 lines
1.4 KiB
Diff
From patchwork Tue Jul 18 10:17:29 2017
|
|
Content-Type: text/plain; charset="utf-8"
|
|
MIME-Version: 1.0
|
|
Content-Transfer-Encoding: 7bit
|
|
Subject: [8/9] MIPS: ralink: allow NULL clock for clk_get_rate
|
|
X-Patchwork-Submitter: Jonas Gorski <jonas.gorski@gmail.com>
|
|
X-Patchwork-Id: 16778
|
|
Message-Id: <20170718101730.2541-9-jonas.gorski@gmail.com>
|
|
To: unlisted-recipients:; (no To-header on input)
|
|
Cc: John Crispin <john@phrozen.org>,
|
|
Ralf Baechle <ralf@linux-mips.org>, linux-mips@linux-mips.org,
|
|
linux-kernel@vger.kernel.org
|
|
Date: Tue, 18 Jul 2017 12:17:29 +0200
|
|
From: Jonas Gorski <jonas.gorski@gmail.com>
|
|
List-Id: linux-mips <linux-mips.eddie.linux-mips.org>
|
|
|
|
Make the behaviour of clk_get_rate consistent with common clk's
|
|
clk_get_rate by accepting NULL clocks as parameter. Some device
|
|
drivers rely on this, and will cause an OOPS otherwise.
|
|
|
|
Fixes: 3f0a06b0368d ("MIPS: ralink: adds clkdev code")
|
|
Cc: John Crispin <john@phrozen.org>
|
|
Cc: Ralf Baechle <ralf@linux-mips.org>
|
|
Cc: linux-mips@linux-mips.org
|
|
Cc: linux-kernel@vger.kernel.org
|
|
Reported-by: Mathias Kresin <dev@kresin.me>
|
|
Signed-off-by: Jonas Gorski <jonas.gorski@gmail.com>
|
|
---
|
|
arch/mips/ralink/clk.c | 3 +++
|
|
1 file changed, 3 insertions(+)
|
|
|
|
--- a/arch/mips/ralink/clk.c
|
|
+++ b/arch/mips/ralink/clk.c
|
|
@@ -52,6 +52,9 @@ EXPORT_SYMBOL_GPL(clk_disable);
|
|
|
|
unsigned long clk_get_rate(struct clk *clk)
|
|
{
|
|
+ if (!clk)
|
|
+ return 0;
|
|
+
|
|
return clk->rate;
|
|
}
|
|
EXPORT_SYMBOL_GPL(clk_get_rate);
|