Hi Richard, On Fri, Oct 24, 2014 at 12:36 AM, Richard Zhu <richard.zhu@xxxxxxxxxxxxx> wrote: > From: Richard Zhu <r65037@xxxxxxxxxxxxx> > > For boards without a reset GPIO we skip the delay between enabling the > pcie_ref_clk and touching the RC registers for configuration. > This hangs the system if there isn't a proper delay to ensure the clocks > are settled in the DW PCIe core. > > Also iMX6Q always needs an additional 10us delay to make sure the reset > is propagated through the core, as we don't have an explicitly > controlled reset input on this SoC. > > Signed-off-by: Richard Zhu <richard.zhu@xxxxxxxxxxxxx> > Tested-by: Tim Harvey <tharvey@xxxxxxxxxxxxx> > Tested-by: Fabio Estevam <fabio.estevam@xxxxxxxxxxxxx> > Signed-off-by: Lucas Stach <l.stach@xxxxxxxxxxxxxx> The previous Tested-by tags that myself and Tim gave were for the previous version of the patch without the delay. I tested this new version of the patch now and you have my new tag :-) Tested-by: Fabio Estevam <fabio.estevam@xxxxxxxxxxxxx> I would suggest you to resed this patch (you can add Lucas's Acked-by) and also make sure to copy Bjorn so that it can be applied to 3.18 as a fix. Thanks -- To unsubscribe from this list: send the line "unsubscribe linux-pci" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html