Re: [PATCH v5 00/39] i.MX Media Driver

From: Russell King - ARM Linux
Date: Sun Mar 12 2017 - 15:30:34 EST

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

RMK's Patch system:
FTTC broadband for 0.8mile line: currently at 9.6Mbps down 400kbps up
according to