On Fri, 4 Mar 2022 at 17:19, James Clark james.clark@arm.com wrote:
This is a no-op change for style and consistency and has no effect on the binary output by the compiler. In sysreg.h fields are defined as the register name followed by the field name and then _MASK. This allows for grepping for fields by name rather than using magic numbers.
Signed-off-by: James Clark james.clark@arm.com
drivers/hwtracing/coresight/coresight-etm4x-sysfs.c | 12 ++++++------ drivers/hwtracing/coresight/coresight-etm4x.h | 4 ++++ 2 files changed, 10 insertions(+), 6 deletions(-)
diff --git a/drivers/hwtracing/coresight/coresight-etm4x-sysfs.c b/drivers/hwtracing/coresight/coresight-etm4x-sysfs.c index 2d29e9daf515..cd24590ea38a 100644 --- a/drivers/hwtracing/coresight/coresight-etm4x-sysfs.c +++ b/drivers/hwtracing/coresight/coresight-etm4x-sysfs.c @@ -397,22 +397,22 @@ static ssize_t mode_store(struct device *dev,
/* bit[8], Instruction stall bit */ if ((config->mode & ETM_MODE_ISTALL_EN) && (drvdata->stallctl == true))
config->stall_ctrl |= BIT(8);
config->stall_ctrl |= TRCSTALLCTLR_ISTALL; else
config->stall_ctrl &= ~BIT(8);
config->stall_ctrl &= ~TRCSTALLCTLR_ISTALL; /* bit[10], Prioritize instruction trace bit */ if (config->mode & ETM_MODE_INSTPRIO)
config->stall_ctrl |= BIT(10);
config->stall_ctrl |= TRCSTALLCTLR_INSTPRIORITY; else
config->stall_ctrl &= ~BIT(10);
config->stall_ctrl &= ~TRCSTALLCTLR_INSTPRIORITY; /* bit[13], Trace overflow prevention bit */ if ((config->mode & ETM_MODE_NOOVERFLOW) && (drvdata->nooverflow == true))
config->stall_ctrl |= BIT(13);
config->stall_ctrl |= TRCSTALLCTLR_NOOVERFLOW; else
config->stall_ctrl &= ~BIT(13);
config->stall_ctrl &= ~TRCSTALLCTLR_NOOVERFLOW; /* bit[9] Start/stop logic control bit */ if (config->mode & ETM_MODE_VIEWINST_STARTSTOP)diff --git a/drivers/hwtracing/coresight/coresight-etm4x.h b/drivers/hwtracing/coresight/coresight-etm4x.h index cbba46f14ada..36934056a5dc 100644 --- a/drivers/hwtracing/coresight/coresight-etm4x.h +++ b/drivers/hwtracing/coresight/coresight-etm4x.h @@ -196,6 +196,10 @@ #define TRCEVENTCTL1R_ATB BIT(11) #define TRCEVENTCTL1R_LPOVERRIDE BIT(12)
+#define TRCSTALLCTLR_ISTALL BIT(8) +#define TRCSTALLCTLR_INSTPRIORITY BIT(10) +#define TRCSTALLCTLR_NOOVERFLOW BIT(13)
/*
- System instructions to access ETM registers.
- See ETMv4.4 spec ARM IHI0064F section 4.3.6 System instructions
-- 2.28.0
Reviewed-by: Mike Leach mike.leach@linaro.org