Re: [PATCH 1/3] usb: add function usb_autopm_get_interface_upgrade

["Zhang, Yanmin" <yanmin_zhang@linux.intel.com>]

On 2015/5/26 22:12, Greg Kroah-Hartman wrote:

> On Tue, May 26, 2015 at 10:19:57AM +0800, Zhang, Yanmin wrote:
>> Some usb driver has a specific requirement. Their critical functions
>>
>> might be called under both atomic environment and non-atomic environment.
>>
>> If it's under atomic environment, the driver can wake up the device
>>
>> by calling pm_runtime_get_sync directly.
>>
>> If it's under non-atomic environment, the function's caller need wake
>>
>> up the device before the function accesses the device.
>>
>> The patch adds usb_autopm_get_interface_upgrade, a new function to
>>
>> support above capability.
>>
>> Signed-off-by: Zhang Yanmin <yanmin.zhang@intel.com>
>>
>> ---
>>
>>   drivers/usb/core/driver.c | 53 +++++++++++++++++++++++++++++++++++++++++++++++
>>
>>   include/linux/usb.h       |  3 +++
>>
>>   2 files changed, 56 insertions(+)
>>
>> diff --git a/drivers/usb/core/driver.c b/drivers/usb/core/driver.c
>>
>> index 818369a..d07fd8d 100644
>>
>> --- a/drivers/usb/core/driver.c
>>
>> +++ b/drivers/usb/core/driver.c
>>
>> @@ -1684,6 +1684,59 @@ int usb_autopm_get_interface(struct usb_interface *intf)
>>
>>   EXPORT_SYMBOL_GPL(usb_autopm_get_interface);
>>
>>
>>   /**
>>
>> + * usb_autopm_get_interface_retry - increment a USB interface's PM-usage counter
>>
>> + * @intf: the usb_interface whose counter should be incremented
> Your emails are obviously corrupted and can't be applied..  Please fix
> up and resend all of them.
Sorry. I didn't send patches for a long time. I would resend the 
patchset again.