diff options
Diffstat (limited to 'drivers/hwtracing/coresight/coresight-etm.h')
| -rw-r--r-- | drivers/hwtracing/coresight/coresight-etm.h | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/drivers/hwtracing/coresight/coresight-etm.h b/drivers/hwtracing/coresight/coresight-etm.h index b4481eb29304..34f7db881fa7 100644 --- a/drivers/hwtracing/coresight/coresight-etm.h +++ b/drivers/hwtracing/coresight/coresight-etm.h @@ -251,4 +251,33 @@ enum etm_addr_type { ETM_ADDR_TYPE_START, ETM_ADDR_TYPE_STOP, }; + +static inline void etm_writel(struct etm_drvdata *drvdata, + u32 val, u32 off) +{ + if (drvdata->use_cp14) { + if (etm_writel_cp14(off, val)) { + dev_err(drvdata->dev, + "invalid CP14 access to ETM reg: %#x", off); + } + } else { + writel_relaxed(val, drvdata->base + off); + } +} + +static inline unsigned int etm_readl(struct etm_drvdata *drvdata, u32 off) +{ + u32 val; + + if (drvdata->use_cp14) { + if (etm_readl_cp14(off, &val)) { + dev_err(drvdata->dev, + "invalid CP14 access to ETM reg: %#x", off); + } + } else { + val = readl_relaxed(drvdata->base + off); + } + + return val; +} #endif |