diff options
Diffstat (limited to 'drivers/hwtracing')
| -rw-r--r-- | drivers/hwtracing/coresight/coresight-etm4x-core.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/hwtracing/coresight/coresight-etm4x-core.c b/drivers/hwtracing/coresight/coresight-etm4x-core.c index c3e458af618a..fc26ecbc2d87 100644 --- a/drivers/hwtracing/coresight/coresight-etm4x-core.c +++ b/drivers/hwtracing/coresight/coresight-etm4x-core.c @@ -60,6 +60,7 @@ static u64 etm4_get_access_type(struct etmv4_config *config); static enum cpuhp_state hp_online; struct etm4_init_arg { + unsigned int pid; struct etmv4_drvdata *drvdata; struct csdev_access *csa; }; @@ -884,6 +885,8 @@ static void etm4_init_arch_data(void *info) etm4_os_unlock_csa(drvdata, csa); etm4_cs_unlock(drvdata, csa); + etm4_check_arch_features(drvdata, init_arg->pid); + /* find all capabilities of the tracing unit */ etmidr0 = etm4x_relaxed_read32(csa, TRCIDR0); @@ -1750,6 +1753,7 @@ static int etm4_probe(struct device *dev, void __iomem *base, u32 etm_pid) init_arg.drvdata = drvdata; init_arg.csa = &desc.access; + init_arg.pid = etm_pid; if (smp_call_function_single(drvdata->cpu, etm4_init_arch_data, &init_arg, 1)) @@ -1794,8 +1798,6 @@ static int etm4_probe(struct device *dev, void __iomem *base, u32 etm_pid) drvdata->boot_enable = true; } - etm4_check_arch_features(drvdata, etm_pid); - return 0; } |