[PATCH 2/2] uacce: add uacce module

Greg Kroah-Hartman gregkh at linuxfoundation.org
Mon Aug 19 20:22:50 AEST 2019


On Mon, Aug 19, 2019 at 05:09:23PM +0800, zhangfei.gao at foxmail.com 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.

thanks,

greg k-h


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