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    SubjectRe: [PATCH V4 6/6] PCI: tegra: Disable LTSSM during L2 entry
    On Mon, Nov 09, 2020 at 10:49:37PM +0530, Vidya Sagar wrote:
    > PCIe cards like Marvell SATA controller and some of the Samsung NVMe
    > drives don't support taking the link to L2 state. When the link doesn't
    > go to L2 state, Tegra194 requires the LTSSM to be disabled to allow PHY
    > to start the next link up process cleanly during suspend/resume sequence.
    > Failing to disable LTSSM results in the PCIe link not coming up in the
    > next resume cycle.
    >
    > Signed-off-by: Vidya Sagar <vidyas@nvidia.com>
    > ---
    > V4:
    > * New patch in this series
    >
    > drivers/pci/controller/dwc/pcie-tegra194.c | 16 +++++++++-------
    > 1 file changed, 9 insertions(+), 7 deletions(-)

    Tested-by: Thierry Reding <treding@nvidia.com>
    Acked-by: Thierry Reding <treding@nvidia.com>
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