On Tue, Aug 20, 2019 at 08:38:46PM +0800, zhangfei wrote: > > > On 2019/8/19 下午6:22, Greg Kroah-Hartman wrote: > > On Mon, Aug 19, 2019 at 05:09:23PM +0800, zhangfei.gao@xxxxxxxxxxx wrote: > > > Hi, Greg > > > > > > Thanks for your kind suggestion. > > > > > > On 2019/8/15 下午10:12, Greg Kroah-Hartman wrote: > > > > On Wed, Aug 14, 2019 at 05:34:25PM +0800, Zhangfei Gao wrote: > > > > > diff --git a/include/uapi/misc/uacce.h b/include/uapi/misc/uacce.h > > > > > new file mode 100644 > > > > > index 0000000..44a0a5d > > > > > --- /dev/null > > > > > +++ b/include/uapi/misc/uacce.h > > > > > @@ -0,0 +1,44 @@ > > > > > +/* SPDX-License-Identifier: GPL-2.0-or-later */ > > > > > +#ifndef _UAPIUUACCE_H > > > > > +#define _UAPIUUACCE_H > > > > > + > > > > > +#include <linux/types.h> > > > > > +#include <linux/ioctl.h> > > > > > + > > > > > +#define UACCE_CLASS_NAME "uacce" > > > > Why is this in a uapi file? > > > User app need get attribute from /sys/class, > > > For example: /sys/class/uacce/hisi_zip-0/xxx > > > UACCE_CLASS_NAME here tells app which subsystem to open, > > > /sys/class/subsystem/ > > But that never comes from a uapi file. No other subsystem does this. > OK, got it > Maybe the entry info can come from Documentation/ABI/entries Yes it can, we now have a tool in the tree that automatically parses those entries and outputs it in a variety of different formats. thanks, greg k-h
