On 2013/7/11 22:33, Paul Bolle wrote:
> On Thu, 2013-07-11 at 17:43 +0800, Yijing Wang wrote:
> [...]
>> diff --git a/drivers/pci/hotplug/pciehp_core.c b/drivers/pci/hotplug/pciehp_core.c
>> index 1542735..f2eb214 100644
>> --- a/drivers/pci/hotplug/pciehp_core.c
>> +++ b/drivers/pci/hotplug/pciehp_core.c
> [...]
>> @@ -315,6 +342,24 @@ static int pciehp_resume (struct pcie_device *dev)
>> if (status) {
>> if (list_empty(&pbus->devices))
>> pciehp_enable_slot(slot);
>> +
>> + if (device_serial_number_changed(pbus)) {
>> + /*
>> + * first power off slot, avoid the old driver
>> + * .remove() method touch the new hardware
>> + */
>> + if (POWER_CTRL(ctrl)) {
>> + retval = pciehp_power_off_slot(slot);
>> + if (retval) {
>> + ctrl_err(ctrl,
>> + "Issue of Slot Disable command failed\n");
>> + return 0;
>> + }
>> + msleep(1000);
>> + pciehp_unconfigure_device(slot);
>> + pciehp_enable_slot(slot);
>> + }
>> + }
>> } else if (!list_empty(&pbus->devices))
>> pciehp_disable_slot(slot);
>>
>
> It was surprisingly hard to see why the patch wouldn't apply to v3.10.
> It turns out the very last line of context is a line consisting of just
> a single tab. And in v3.10 it is an empty line.
>
> Is that lone tab perhaps an editing mistake on your side?
I will check this, thanks!
>
>
> Paul Bolle
>
>
> .
>
--
Thanks!
Yijing
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