| From | Greg Kroah-Hartman <> | Subject | [PATCH 5.13 222/300] m68k: coldfire: return success for clk_enable(NULL) | Date | Mon, 13 Sep 2021 15:14:43 +0200 |
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From: Dan Carpenter <dan.carpenter@oracle.com>
[ Upstream commit f6a4f0b424df957d84fa7b9f2d02981234ff5828 ]
The clk_enable is supposed work when CONFIG_HAVE_CLK is false, but it returns -EINVAL. That means some drivers fail during probe.
[ 1.680000] flexcan: probe of flexcan.0 failed with error -22
Fixes: c1fb1bf64bb6 ("m68k: let clk_enable() return immediately if clk is NULL") Fixes: bea8bcb12da0 ("m68knommu: Add support for the Coldfire m5441x.") Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Acked-by: Marc Kleine-Budde <mkl@pengutronix.de> Signed-off-by: Greg Ungerer <gerg@linux-m68k.org> Signed-off-by: Sasha Levin <sashal@kernel.org> --- arch/m68k/coldfire/clk.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/m68k/coldfire/clk.c b/arch/m68k/coldfire/clk.c index 076a9caa9557..c895a189c5ae 100644 --- a/arch/m68k/coldfire/clk.c +++ b/arch/m68k/coldfire/clk.c @@ -92,7 +92,7 @@ int clk_enable(struct clk *clk) unsigned long flags; if (!clk) - return -EINVAL; + return 0; spin_lock_irqsave(&clk_lock, flags); if ((clk->enabled++ == 0) && clk->clk_ops) -- 2.30.2
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