diff options
Diffstat (limited to 'drivers/hwtracing/coresight')
-rw-r--r-- | drivers/hwtracing/coresight/coresight-cpu-debug.c | 7 | ||||
-rw-r--r-- | drivers/hwtracing/coresight/coresight-etm4x.c | 2 | ||||
-rw-r--r-- | drivers/hwtracing/coresight/coresight-etm4x.h | 2 | ||||
-rw-r--r-- | drivers/hwtracing/coresight/coresight-tmc-etf.c | 2 | ||||
-rw-r--r-- | drivers/hwtracing/coresight/coresight-tmc-etr.c | 7 | ||||
-rw-r--r-- | drivers/hwtracing/coresight/coresight-tmc.h | 2 | ||||
-rw-r--r-- | drivers/hwtracing/coresight/coresight.c | 1 |
7 files changed, 13 insertions, 10 deletions
diff --git a/drivers/hwtracing/coresight/coresight-cpu-debug.c b/drivers/hwtracing/coresight/coresight-cpu-debug.c index 96544b348c27..ebe34fd6adb0 100644 --- a/drivers/hwtracing/coresight/coresight-cpu-debug.c +++ b/drivers/hwtracing/coresight/coresight-cpu-debug.c @@ -379,9 +379,10 @@ static int debug_notifier_call(struct notifier_block *self, int cpu; struct debug_drvdata *drvdata; - mutex_lock(&debug_lock); + /* Bail out if we can't acquire the mutex or the functionality is off */ + if (!mutex_trylock(&debug_lock)) + return NOTIFY_DONE; - /* Bail out if the functionality is disabled */ if (!debug_enable) goto skip_dump; @@ -400,7 +401,7 @@ static int debug_notifier_call(struct notifier_block *self, skip_dump: mutex_unlock(&debug_lock); - return 0; + return NOTIFY_DONE; } static struct notifier_block debug_notifier = { diff --git a/drivers/hwtracing/coresight/coresight-etm4x.c b/drivers/hwtracing/coresight/coresight-etm4x.c index 83dccdeef906..da63e09fb0d5 100644 --- a/drivers/hwtracing/coresight/coresight-etm4x.c +++ b/drivers/hwtracing/coresight/coresight-etm4x.c @@ -156,7 +156,7 @@ static int etm4_enable_hw(struct etmv4_drvdata *drvdata) writel_relaxed(config->ss_pe_cmp[i], drvdata->base + TRCSSPCICRn(i)); } - for (i = 0; i < drvdata->nr_addr_cmp; i++) { + for (i = 0; i < drvdata->nr_addr_cmp * 2; i++) { writeq_relaxed(config->addr_val[i], drvdata->base + TRCACVRn(i)); writeq_relaxed(config->addr_acc[i], diff --git a/drivers/hwtracing/coresight/coresight-etm4x.h b/drivers/hwtracing/coresight/coresight-etm4x.h index 4523f10ddd0f..334bb56cc8a9 100644 --- a/drivers/hwtracing/coresight/coresight-etm4x.h +++ b/drivers/hwtracing/coresight/coresight-etm4x.h @@ -361,7 +361,7 @@ struct etmv4_drvdata { u8 ctxid_size; u8 vmid_size; u8 ccsize; - u8 ccitmin; + u16 ccitmin; u8 s_ex_level; u8 ns_ex_level; u8 q_support; diff --git a/drivers/hwtracing/coresight/coresight-tmc-etf.c b/drivers/hwtracing/coresight/coresight-tmc-etf.c index 75dfa1e2f3f2..e15726611c64 100644 --- a/drivers/hwtracing/coresight/coresight-tmc-etf.c +++ b/drivers/hwtracing/coresight/coresight-tmc-etf.c @@ -426,7 +426,7 @@ static int tmc_set_etf_buffer(struct coresight_device *csdev, return -EINVAL; /* wrap head around to the amount of space we have */ - head = handle->head & ((buf->nr_pages << PAGE_SHIFT) - 1); + head = handle->head & (((unsigned long)buf->nr_pages << PAGE_SHIFT) - 1); /* find the page to write to */ buf->cur = head / PAGE_SIZE; diff --git a/drivers/hwtracing/coresight/coresight-tmc-etr.c b/drivers/hwtracing/coresight/coresight-tmc-etr.c index ed77c7f7b344..2a0a12c194c0 100644 --- a/drivers/hwtracing/coresight/coresight-tmc-etr.c +++ b/drivers/hwtracing/coresight/coresight-tmc-etr.c @@ -47,7 +47,8 @@ struct etr_perf_buffer { }; /* Convert the perf index to an offset within the ETR buffer */ -#define PERF_IDX2OFF(idx, buf) ((idx) % ((buf)->nr_pages << PAGE_SHIFT)) +#define PERF_IDX2OFF(idx, buf) \ + ((idx) % ((unsigned long)(buf)->nr_pages << PAGE_SHIFT)) /* Lower limit for ETR hardware buffer */ #define TMC_ETR_PERF_MIN_BUF_SIZE SZ_1M @@ -909,7 +910,7 @@ tmc_etr_buf_insert_barrier_packet(struct etr_buf *etr_buf, u64 offset) len = tmc_etr_buf_get_data(etr_buf, offset, CORESIGHT_BARRIER_PKT_SIZE, &bufp); - if (WARN_ON(len < CORESIGHT_BARRIER_PKT_SIZE)) + if (WARN_ON(len < 0 || len < CORESIGHT_BARRIER_PKT_SIZE)) return -EINVAL; coresight_insert_barrier_packet(bufp); return offset + CORESIGHT_BARRIER_PKT_SIZE; @@ -1215,7 +1216,7 @@ alloc_etr_buf(struct tmc_drvdata *drvdata, struct perf_event *event, * than the size requested via sysfs. */ if ((nr_pages << PAGE_SHIFT) > drvdata->size) { - etr_buf = tmc_alloc_etr_buf(drvdata, (nr_pages << PAGE_SHIFT), + etr_buf = tmc_alloc_etr_buf(drvdata, ((ssize_t)nr_pages << PAGE_SHIFT), 0, node, NULL); if (!IS_ERR(etr_buf)) goto done; diff --git a/drivers/hwtracing/coresight/coresight-tmc.h b/drivers/hwtracing/coresight/coresight-tmc.h index 71de978575f3..1fcf6e29e8d3 100644 --- a/drivers/hwtracing/coresight/coresight-tmc.h +++ b/drivers/hwtracing/coresight/coresight-tmc.h @@ -320,7 +320,7 @@ ssize_t tmc_sg_table_get_data(struct tmc_sg_table *sg_table, static inline unsigned long tmc_sg_table_buf_size(struct tmc_sg_table *sg_table) { - return sg_table->data_pages.nr_pages << PAGE_SHIFT; + return (unsigned long)sg_table->data_pages.nr_pages << PAGE_SHIFT; } struct coresight_device *tmc_etr_get_catu_device(struct tmc_drvdata *drvdata); diff --git a/drivers/hwtracing/coresight/coresight.c b/drivers/hwtracing/coresight/coresight.c index 0bbce0d29158..7d64d77d5b7a 100644 --- a/drivers/hwtracing/coresight/coresight.c +++ b/drivers/hwtracing/coresight/coresight.c @@ -1073,6 +1073,7 @@ static int coresight_remove_match(struct device *dev, void *data) * platform data. */ fwnode_handle_put(conn->child_fwnode); + conn->child_fwnode = NULL; /* No need to continue */ break; } |