Re: [PATCH 1/2] usb: mtu3: add a vbus debugfs interface

On Thu, 2017-08-03 at 09:01 -0700, Greg Kroah-Hartman wrote: > On Thu, Aug 03, 2017 at 09:00:57AM -0700, Greg Kroah-Hartman wrote: > > On Thu, Aug 03, 2017 at 04:37:18PM +0800, Chunfeng Yun wrote: > > > +static ssize_t ssusb_vbus_write(struct file *file, > > > + const char __user *ubuf, size_t

Re: [PATCH 1/2] usb: mtu3: add a vbus debugfs interface

On Thu, 2017-08-03 at 09:01 -0700, Greg Kroah-Hartman wrote: > On Thu, Aug 03, 2017 at 09:00:57AM -0700, Greg Kroah-Hartman wrote: > > On Thu, Aug 03, 2017 at 04:37:18PM +0800, Chunfeng Yun wrote: > > > +static ssize_t ssusb_vbus_write(struct file *file, > > > + const char __user *ubuf, size_t

Re: [PATCH 1/2] usb: mtu3: add a vbus debugfs interface

On Thu, Aug 03, 2017 at 04:37:18PM +0800, Chunfeng Yun wrote: > +static ssize_t ssusb_vbus_write(struct file *file, > + const char __user *ubuf, size_t count, loff_t *ppos) > +{ > + struct seq_file *sf = file->private_data; > + struct ssusb_mtk *ssusb = sf->private; > + struct

Re: [PATCH 1/2] usb: mtu3: add a vbus debugfs interface

On Thu, Aug 03, 2017 at 04:37:18PM +0800, Chunfeng Yun wrote: > +static ssize_t ssusb_vbus_write(struct file *file, > + const char __user *ubuf, size_t count, loff_t *ppos) > +{ > + struct seq_file *sf = file->private_data; > + struct ssusb_mtk *ssusb = sf->private; > + struct

Re: [PATCH 1/2] usb: mtu3: add a vbus debugfs interface

On Thu, Aug 03, 2017 at 09:00:57AM -0700, Greg Kroah-Hartman wrote: > On Thu, Aug 03, 2017 at 04:37:18PM +0800, Chunfeng Yun wrote: > > +static ssize_t ssusb_vbus_write(struct file *file, > > + const char __user *ubuf, size_t count, loff_t *ppos) > > +{ > > + struct seq_file *sf =

Re: [PATCH 1/2] usb: mtu3: add a vbus debugfs interface

On Thu, Aug 03, 2017 at 09:00:57AM -0700, Greg Kroah-Hartman wrote: > On Thu, Aug 03, 2017 at 04:37:18PM +0800, Chunfeng Yun wrote: > > +static ssize_t ssusb_vbus_write(struct file *file, > > + const char __user *ubuf, size_t count, loff_t *ppos) > > +{ > > + struct seq_file *sf =

[PATCH 1/2] usb: mtu3: add a vbus debugfs interface

Provides a new vbus debugfs interface used to turn on/off vbus regulator, it also can be used to get/put reference count of vbus, due to sometimes we need keep it alive when manually switch mtu3 to device mode. Signed-off-by: Chunfeng Yun ---

[PATCH 1/2] usb: mtu3: add a vbus debugfs interface

Provides a new vbus debugfs interface used to turn on/off vbus regulator, it also can be used to get/put reference count of vbus, due to sometimes we need keep it alive when manually switch mtu3 to device mode. Signed-off-by: Chunfeng Yun --- drivers/usb/mtu3/mtu3_dr.c | 75