On Sun, Mar 12, 2017 at 12:21:45PM -0700, Steve Longerbeam wrote: > There's actually nothing preventing userland from disabling a link > multiple times, and imx_media_link_notify() complies, and so > csi_s_power(OFF) gets called multiple times, and so that WARN_ON() > in there is silly, I borrowed this from other MC driver examples, > but it makes no sense to me, I'll remove it and prevent the power > count from going negative. Hmm. So what happens if one of the CSI's links is enabled, and we disable a different link from the CSI several times? Doesn't that mean the power count will go to zero despite there being an enabled link? -- RMK's Patch system: http://www.armlinux.org.uk/developer/patches/ FTTC broadband for 0.8mile line: currently at 9.6Mbps down 400kbps up according to speedtest.net.