| Date | Tue, 10 Oct 2017 13:06:37 +0200 | From | Greg KH <> | Subject | Re: [PATCH v6 13/14] platform/x86: wmi: create character devices when requested by drivers |
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On Mon, Oct 09, 2017 at 05:51:51PM -0500, Mario Limonciello wrote: > --- /dev/null > +++ b/include/uapi/linux/wmi.h > @@ -0,0 +1,19 @@ > +/* > + * User API methods for ACPI-WMI mapping driver > + * > + * Copyright (C) 2017 Dell, Inc. > + * > + * This program is free software; you can redistribute it and/or modify > + * it under the terms of the GNU General Public License version 2 as > + * published by the Free Software Foundation. > + */ > +#ifndef _UAPI_LINUX_WMI_H > +#define _UAPI_LINUX_WMI_H > + > +#define WMI_IOC 'W' > +#define WMI_IO(instance) _IO(WMI_IOC, instance) > +#define WMI_IOR(instance, type) _IOR(WMI_IOC, instance, type) > +#define WMI_IOW(instance, type) _IOW(WMI_IOC, instance, type) > +#define WMI_IOWR(instance, type) _IOWR(WMI_IOC, instance, type)
Are these really needed in a uapi .h file? Who needs them? And why not just use a "normal" ioctl macro in your individual driver .h file? Do these really help?
thanks,
greg k-h
> + > +#endif > -- > 2.14.1
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