From: Dan Carpenter Date: Thu, 29 Jul 2021 12:27:03 +0000 (+0300) Subject: m68k: coldfire: return success for clk_enable(NULL) X-Git-Tag: v5.15-rc1~138^2~1 X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=f6a4f0b424df957d84fa7b9f2d02981234ff5828;p=thirdparty%2Flinux.git m68k: coldfire: return success for clk_enable(NULL) 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 Acked-by: Marc Kleine-Budde Signed-off-by: Greg Ungerer --- diff --git a/arch/m68k/coldfire/clk.c b/arch/m68k/coldfire/clk.c index 2ed841e941113..d03b6c4aa86b4 100644 --- a/arch/m68k/coldfire/clk.c +++ b/arch/m68k/coldfire/clk.c @@ -78,7 +78,7 @@ 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)