On Tue, Jan 30, 2018 at 10:54:07AM +0530, Manikanta Maddireddy wrote:
> This series of patches adds loadable kernel module and power management
> support to Tegra PCIe host controller driver. irq_set_msi_desc() and
> tegra_cpuidle_pcie_irqs_in_use() symbols will be taken care in next
> set of patches.
>
> These patches are tested on Jetson TK1, TX1 and TX2 platforms, following
> are the verification details.
> - Multiple module insert & remove
> - PCIe device functionality after module insert
> - Free clock, resets, regulators, powergate, iomem and interrupt
> resources after module remove
> - PCIe device functionality after resume from RAM
>
> V2: PM QoS fix is dropped in V2 from this series because the fix is
> incorporated in latest 'commit 0759e80b84e3 ("PM / QoS: Fix device resume
> latency framework")'. Update commit message of few patches in V2.
>
> V3: Patches to export irq_set_msi_desc() and tegra_cpuidle_pcie_irqs_in_use()
> are dropped based on review comments. These symbols will be addressed in next
> series. Took care of few other review comments.
>
> V4: Dropped pci_find_host_bridge() export patch and added new patch to use
> bus->sysdata for private data.
>
> V5: Decouple from https://patchwork.ozlabs.org/patch/832053/ and rebase
> on top of linux-next
>
> V6: Rebased on lpieralisi/pci/tegra branch
>
> V7: Addressed comments on patch: 6 and 7 in V6
> Limiting this series to linux-tegra & linux-pci since patches for other
> subsystem are merged or dropped
>
> Manikanta Maddireddy (4):
> PCI: tegra: Free resources on probe failure
> PCI: tegra: Add loadable kernel module support
> PCI: tegra: Broadcast PME_Turn_Off message before link goes to L2
> PCI: tegra: Add power management support
>
> drivers/pci/host/Kconfig | 2 +-
> drivers/pci/host/pci-tegra.c | 347 +++++++++++++++++++++++++++++++++----------
> 2 files changed, 272 insertions(+), 77 deletions(-)
With the exception of the failure when building as a module that I
mentioned on patch 3/4, I've successfully tested this on Tegra20
(TrimSlice), Tegra30 (Beaver) and Tegra186 (Jetson TX2):
Tested-by: Thierry Reding <treding@xxxxxxxxxx>
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