linux-stable/include/uapi/linux/coresight-stm.h
Eugene Syromiatnikov 9b6eaaf3db coresight: do not use the BIT() macro in the UAPI header
The BIT() macro definition is not available for the UAPI headers
(moreover, it can be defined differently in the user space); replace
its usage with the _BITUL() macro that is defined in <linux/const.h>.

Fixes: 237483aa5c ("coresight: stm: adding driver for CoreSight STM component")
Signed-off-by: Eugene Syromiatnikov <esyr@redhat.com>
Cc: stable <stable@vger.kernel.org>
Reviewed-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Link: https://lore.kernel.org/r/20200324042213.GA10452@asgard.redhat.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-03-26 15:10:44 +01:00

24 lines
706 B
C

/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
#ifndef __UAPI_CORESIGHT_STM_H_
#define __UAPI_CORESIGHT_STM_H_
#include <linux/const.h>
#define STM_FLAG_TIMESTAMPED _BITUL(3)
#define STM_FLAG_GUARANTEED _BITUL(7)
/*
* The CoreSight STM supports guaranteed and invariant timing
* transactions. Guaranteed transactions are guaranteed to be
* traced, this might involve stalling the bus or system to
* ensure the transaction is accepted by the STM. While invariant
* timing transactions are not guaranteed to be traced, they
* will take an invariant amount of time regardless of the
* state of the STM.
*/
enum {
STM_OPTION_GUARANTEED = 0,
STM_OPTION_INVARIANT,
};
#endif