On Mon, Feb 09, 2015 at 09:22:50AM +0100, Maxime Ripard wrote: > On Wed, Feb 04, 2015 at 05:04:18AM -0800, Greg Kroah-Hartman wrote: > > On Wed, Feb 04, 2015 at 10:35:22AM +0100, Maxime Ripard wrote: > > > Hi Mathias, Greg, > > > > > > On Mon, Jan 19, 2015 at 02:01:12PM +0100, Maxime Ripard wrote: > > > > The commit 973747928514 ("usb: host: xhci-plat: add support for the Armada > > > > 375/38x XHCI controllers") extended the xhci-plat driver to support the Armada > > > > 375/38x SoCs, mostly by adding a quirk configuring the MBUS window. > > > > > > > > However, that quirk was run before the clock the controllers needs has been > > > > enabled. This usually worked because the clock was first enabled by the > > > > bootloader, and left as such until the driver is probe, where it tries to > > > > access the MBUS configuration registers before enabling the clock. > > > > > > > > Things get messy when EPROBE_DEFER is involved during the probe, since as part > > > > of its error path, the driver will rightfully disable the clock. When the > > > > driver will be reprobed, it will retry to access the MBUS registers, but this > > > > time with the clock disabled, which hangs forever. > > > > > > > > Fix this by running the quirks after the clock has been enabled by the driver. > > > > > > > > Signed-off-by: Maxime Ripard <maxime.ripard@xxxxxxxxxxxxxxxxxx> > > > > Cc: <stable@xxxxxxxxxxxxxxx> # v3.16+ > > > > > > Any chance for this to go in 3.19? > > > > For 3.19? It's too late, I'm not sending anything else to Linus as 3.19 > > will be out in a few days. > > Ok. I'll resend it when 3.20-rc1 is out then. Why resend? Mathias should be queueing this up properly. Mathias? -- To unsubscribe from this list: send the line "unsubscribe stable" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html