Commit a18097b7 authored Jul 18, 2017 by Jonas Gorski Committed by Ralf Baechle Sep 06, 2017

MIPS: ralink: allow NULL clock for clk_get_rate



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: 3f0a06b0 ("MIPS: ralink: adds clkdev code")
Reported-by: Mathias Kresin <dev@kresin.me>
Signed-off-by: Jonas Gorski <jonas.gorski@gmail.com>
Cc: John Crispin <john@phrozen.org>
Cc: linux-mips@linux-mips.org
Cc: linux-kernel@vger.kernel.org
Patchwork: https://patchwork.linux-mips.org/patch/16778/


Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

parent 386787b1

arch/mips/ralink/clk.c

+3 −0

Original line number	Diff line number	Diff line
		@@ -53,6 +53,9 @@ 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);