On Wed, Nov 07, 2018 at 06:12:59PM +0800, Chen-Yu Tsai wrote: > @@ -911,6 +911,10 @@ static int bcm_get_resources(struct bcm_device *dev) > if (IS_ERR(dev->clk) && PTR_ERR(dev->clk) == -EPROBE_DEFER) You can also simplify the above test to: if (dev->clk == ERR_PTR(-EPROBE_DEFER)) as error pointers are uniquely different from normal pointers. -- RMK's Patch system: http://www.armlinux.org.uk/developer/patches/ FTTC broadband for 0.8mile line in suburbia: sync at 12.1Mbps down 622kbps up According to speedtest.net: 11.9Mbps down 500kbps up