> -----Original Message----- > From: Fabio Estevam [mailto:festevam@xxxxxxxxx] > Sent: Thursday, September 25, 2014 5:13 AM > To: Zhu Richard-R65037 > Cc: linux-pci-owner@xxxxxxxxxxxxxxx; linux-pci@xxxxxxxxxxxxxxx; Guo Shawn- > R65073; Lucas Stach > Subject: Re: [PATCH v1 4/4] PCI: imx6: add imx6sx pcie support > > On Tue, Sep 23, 2014 at 11:55 PM, Hong-Xing.Zhu@xxxxxxxxxxxxx <Hong- > Xing.Zhu@xxxxxxxxxxxxx> wrote: > > >> What about the existing mx6q silicon version? How can we fix the hang? > > [Richard] There is already one SW workaround(toggle the TEST_PD bit in > arch/arm/mach-imx/pm.c) for this issue. > > It can workaround this issue, although we don't get guarantee from design > team. > > This workaround is available in the FSL kernel. However, I am interested in a > solution for the mainline kernel. [Richard] IMHO, I don't know either. The SW workaround used in the FSL kernel can works, but it still can't get guarantee That it can fix this problem for sure from design team yet. Best Regards Richard Zhu ��.n��������+%������w��{.n�����{���"�)��jg��������ݢj����G�������j:+v���w�m������w�������h�����٥