Re: [PATCH] PCI: exynos: refactor exynos pcie driver

Krzysztof Kozlowski
2016-12-24T09:26:05Z

On Fri, Dec 23, 2016 at 04:26:27PM +0530, Pankaj Dubey wrote:
> From: Niyas Ahmed S T <niyas.ahmed@samsung.com>
>
> Currently Exynos PCIe driver is only supported for Exynos5440 SoC.
> This patch does refactoring of Exynos PCIe driver to extend support
> for other Exynos SoC.
>
> Following are the main changes done via this patch:
> 1) It adds separate structs for memory, clock resources.
> 2) It add exynos_pcie_ops struct which will allow us to support the
> differences in resources in different Exynos SoC.
>
> No functional change intended.
>
> Signed-off-by: Niyas Ahmed S T <niyas.ahmed@samsung.com>
> Signed-off-by: Pankaj Dubey <pankaj.dubey@samsung.com>
> ---
> This patch set is prepared on top of Krzysztof's for-next and
> PCIe driver cleanup patch [1] by Jaehoon Chung.
>
> [1]: https://lkml.org/lkml/2016/12/19/44
>
>
> drivers/pci/host/pci-exynos.c | 346 ++++++++++++++++++++++++++----------------
> 1 file changed, 217 insertions(+), 129 deletions(-)

(...)

> @@ -573,14 +660,15 @@ static int __exit exynos_pcie_remove(struct platform_device *pdev)
> {
> struct exynos_pcie *exynos_pcie = platform_get_drvdata(pdev);
>
> - clk_disable_unprepare(exynos_pcie->bus_clk);
> - clk_disable_unprepare(exynos_pcie->clk);
> + if (exynos_pcie->ops && exynos_pcie->ops->deinit_clk_resources)
> + exynos_pcie->ops->deinit_clk_resources(exynos_pcie);
>
> return 0;
> }
>
> static const struct of_device_id exynos_pcie_of_match[] = {
> - { .compatible = "samsung,exynos5440-pcie", },
> + { .compatible = "samsung,exynos5440-pcie",
> + .data = &exynos5440_pcie_ops },

A nit, please put brackets in new lines, so:
{
...
},

Acked-by: Krzysztof Kozlowski <krzk@kernel.org>
I didn't do a thorough review, though.

Best regards,
Krzysztof