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I am very sorry that I didn't notice this issue and make you confuse. Now I am confirming with our counter person whether there is solution to not add below footer. After that, I will re-send patch mail to you. Best Regards Jacky -----Original Message----- From: Greg KH [mailto:gregkh@linuxfoundation.org] Sent: Monday, March 04, 2019 2:23 PM To: Cao, Jacky Cc: oneukum@suse.com; stern@rowland.harvard.edu; linux-usb@vger.kernel.org; linux-scsi@vger.kernel.org; usb-storage@lists.one-eyed-alien.net; linux-kernel@vger.kernel.org Subject: Re: [PATCH] usb: uas: fix usb subsystem hang after power off hub port On Mon, Mar 04, 2019 at 02:08:54AM +0000, Jacky.Cao@sony.com wrote: > ________________________________ > > This email is confidential and intended only for the use of the individual or entity named above and may contain information that is privileged. If you are not the intended recipient, you are notified that any dissemination, distribution or copying of this email is strictly prohibited. If you have received this email in error, please notify us immediately by return email or telephone and destroy the original message. - This mail is sent via Sony Asia Pacific Mail Gateway.. This footer requires me to delete this email as it is not compatible with doing Linux kernel development. greg k-h ________________________________ This email is confidential and intended only for the use of the individual or entity named above and may contain information that is privileged. If you are not the intended recipient, you are notified that any dissemination, distribution or copying of this email is strictly prohibited. If you have received this email in error, please notify us immediately by return email or telephone and destroy the original message. - This mail is sent via Sony Asia Pacific Mail Gateway..