On Sun, Aug 2, 2015 at 6:13 PM, Leo Yan <leo.yan@xxxxxxxxxx> wrote: > On Hi6220, there have some clocks which can use mailbox channel to send > messages to power controller to change frequency; this includes CPU, GPU > and DDR clocks. > > For dynamic frequency scaling, firstly need write the frequency value to > SRAM region, and then send message to mailbox to trigger power controller > to handle this requirement. This driver will use syscon APIs to pass SRAM > memory region and use common mailbox APIs for channels accessing. > > This init driver will support cpu frequency change firstly. > > Signed-off-by: Leo Yan <leo.yan@xxxxxxxxxx> The kernelci.org build/boot bot detected boot failures in linux-next[1], and the failure was bisected down to this patch (landed in linux-next as commit c1628a2c416da947f5afac615d53189250fa49cb. I verifed that reverting this commit on top of next-20150901 gets the hikey booting again. Kevin [1] http://kernelci.org/boot/hi6220-hikey/ -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
