提交 94b28226 编写于 作者: J Jonas Gorski 提交者: Greg Ungerer

m68k: 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: facdf0ed ("m68knommu: introduce basic clk infrastructure")
Cc: Greg Ungerer <gerg@linux-m68k.org>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: linux-m68k@lists.linux-m68k.org
Cc: linux-kernel@vger.kernel.org
Reported-by: NMathias Kresin <dev@kresin.me>
Signed-off-by: NJonas Gorski <jonas.gorski@gmail.com>
Signed-off-by: NGreg Ungerer <gerg@linux-m68k.org>
上级 cc4a41fe
......@@ -121,6 +121,9 @@ EXPORT_SYMBOL(clk_put);
unsigned long clk_get_rate(struct clk *clk)
{
if (!clk)
return 0;
return clk->rate;
}
EXPORT_SYMBOL(clk_get_rate);
......
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