dra7xx_pcie_shutdown should be static.
This patch introduces a new sparse warning.
On Wed, Oct 11, 2017 at 9:32 PM, Bjorn Helgaas <helgaas@xxxxxxxxxx> wrote:
> On Wed, Sep 20, 2017 at 10:54:15AM +0530, Keerthy wrote:
>> Add shutdown handler to cleanly turn off clocks. This will help
>> in cases of kexec where in a new kernel can boot abruptly.
>>
>> Signed-off-by: Keerthy <j-keerthy@xxxxxx>
>> Acked-by: Kishon Vijay Abraham I <kishon@xxxxxx>
>
> Applied to pci/host-dra7xx for v4.15, thanks!
>
>> ---
>>
>> Changes in v4:
>>
>> * Added the missing changes from v2!
>>
>> Changes in v3:
>>
>> * Pushed the function outside #ifdef CONFIG_PM_SLEEP.
>> * Added more details to commit log.
>>
>> Changes in v2:
>>
>> * used a local dev pointer instead of dereferencing dev at multiple places.
>> * dra7xx_pcie_stop_link before disabling clks in the shutdown path.
>>
>> drivers/pci/dwc/pci-dra7xx.c | 17 +++++++++++++++++
>> 1 file changed, 17 insertions(+)
>>
>> diff --git a/drivers/pci/dwc/pci-dra7xx.c b/drivers/pci/dwc/pci-dra7xx.c
>> index 34427a6..d084800 100644
>> --- a/drivers/pci/dwc/pci-dra7xx.c
>> +++ b/drivers/pci/dwc/pci-dra7xx.c
>> @@ -794,6 +794,22 @@ static int dra7xx_pcie_resume_noirq(struct device *dev)
>> }
>> #endif
>>
>> +void dra7xx_pcie_shutdown(struct platform_device *pdev)
>> +{
>> + struct device *dev = &pdev->dev;
>> + struct dra7xx_pcie *dra7xx = dev_get_drvdata(dev);
>> + int ret;
>> +
>> + dra7xx_pcie_stop_link(dra7xx->pci);
>> +
>> + ret = pm_runtime_put_sync(dev);
>> + if (ret < 0)
>> + dev_dbg(dev, "pm_runtime_put_sync failed\n");
>> +
>> + pm_runtime_disable(dev);
>> + dra7xx_pcie_disable_phy(dra7xx);
>> +}
>> +
>> static const struct dev_pm_ops dra7xx_pcie_pm_ops = {
>> SET_SYSTEM_SLEEP_PM_OPS(dra7xx_pcie_suspend, dra7xx_pcie_resume)
>> SET_NOIRQ_SYSTEM_SLEEP_PM_OPS(dra7xx_pcie_suspend_noirq,
>> @@ -807,5 +823,6 @@ static int dra7xx_pcie_resume_noirq(struct device *dev)
>> .suppress_bind_attrs = true,
>> .pm = &dra7xx_pcie_pm_ops,
>> },
>> + .shutdown = dra7xx_pcie_shutdown,
>> };
>> builtin_platform_driver_probe(dra7xx_pcie_driver, dra7xx_pcie_probe);
>> --
>> 1.9.1
>>
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