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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-07-01 17:13:56 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-07-01 17:13:56 +0000 |
commit | 511e4ecd3211371086a9698ce4042700957cee33 (patch) | |
tree | 7e4c8dbd3f81844f362f480dd8c9244afd9e31dc /drivers/hwtracing/coresight/coresight-etm4x-core.c | |
parent | Adding debian version 6.9.2-1~exp1. (diff) | |
download | linux-511e4ecd3211371086a9698ce4042700957cee33.tar.xz linux-511e4ecd3211371086a9698ce4042700957cee33.zip |
Merging upstream version 6.9.7.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/hwtracing/coresight/coresight-etm4x-core.c')
-rw-r--r-- | drivers/hwtracing/coresight/coresight-etm4x-core.c | 29 |
1 files changed, 17 insertions, 12 deletions
diff --git a/drivers/hwtracing/coresight/coresight-etm4x-core.c b/drivers/hwtracing/coresight/coresight-etm4x-core.c index c2ca4a02df..a0bdfabddb 100644 --- a/drivers/hwtracing/coresight/coresight-etm4x-core.c +++ b/drivers/hwtracing/coresight/coresight-etm4x-core.c @@ -1240,6 +1240,8 @@ static void etm4_init_arch_data(void *info) drvdata->nr_event = FIELD_GET(TRCIDR0_NUMEVENT_MASK, etmidr0); /* QSUPP, bits[16:15] Q element support field */ drvdata->q_support = FIELD_GET(TRCIDR0_QSUPP_MASK, etmidr0); + if (drvdata->q_support) + drvdata->q_filt = !!(etmidr0 & TRCIDR0_QFILT); /* TSSIZE, bits[28:24] Global timestamp size field */ drvdata->ts_size = FIELD_GET(TRCIDR0_TSSIZE_MASK, etmidr0); @@ -1732,16 +1734,14 @@ static int __etm4_cpu_save(struct etmv4_drvdata *drvdata) state->trcccctlr = etm4x_read32(csa, TRCCCCTLR); state->trcbbctlr = etm4x_read32(csa, TRCBBCTLR); state->trctraceidr = etm4x_read32(csa, TRCTRACEIDR); - state->trcqctlr = etm4x_read32(csa, TRCQCTLR); + if (drvdata->q_filt) + state->trcqctlr = etm4x_read32(csa, TRCQCTLR); state->trcvictlr = etm4x_read32(csa, TRCVICTLR); state->trcviiectlr = etm4x_read32(csa, TRCVIIECTLR); state->trcvissctlr = etm4x_read32(csa, TRCVISSCTLR); if (drvdata->nr_pe_cmp) state->trcvipcssctlr = etm4x_read32(csa, TRCVIPCSSCTLR); - state->trcvdctlr = etm4x_read32(csa, TRCVDCTLR); - state->trcvdsacctlr = etm4x_read32(csa, TRCVDSACCTLR); - state->trcvdarcctlr = etm4x_read32(csa, TRCVDARCCTLR); for (i = 0; i < drvdata->nrseqstate - 1; i++) state->trcseqevr[i] = etm4x_read32(csa, TRCSEQEVRn(i)); @@ -1758,7 +1758,8 @@ static int __etm4_cpu_save(struct etmv4_drvdata *drvdata) state->trccntvr[i] = etm4x_read32(csa, TRCCNTVRn(i)); } - for (i = 0; i < drvdata->nr_resource * 2; i++) + /* Resource selector pair 0 is reserved */ + for (i = 2; i < drvdata->nr_resource * 2; i++) state->trcrsctlr[i] = etm4x_read32(csa, TRCRSCTLRn(i)); for (i = 0; i < drvdata->nr_ss_cmp; i++) { @@ -1843,8 +1844,10 @@ static void __etm4_cpu_restore(struct etmv4_drvdata *drvdata) { int i; struct etmv4_save_state *state = drvdata->save_state; - struct csdev_access tmp_csa = CSDEV_ACCESS_IOMEM(drvdata->base); - struct csdev_access *csa = &tmp_csa; + struct csdev_access *csa = &drvdata->csdev->access; + + if (WARN_ON(!drvdata->csdev)) + return; etm4_cs_unlock(drvdata, csa); etm4x_relaxed_write32(csa, state->trcclaimset, TRCCLAIMSET); @@ -1863,16 +1866,14 @@ static void __etm4_cpu_restore(struct etmv4_drvdata *drvdata) etm4x_relaxed_write32(csa, state->trcccctlr, TRCCCCTLR); etm4x_relaxed_write32(csa, state->trcbbctlr, TRCBBCTLR); etm4x_relaxed_write32(csa, state->trctraceidr, TRCTRACEIDR); - etm4x_relaxed_write32(csa, state->trcqctlr, TRCQCTLR); + if (drvdata->q_filt) + etm4x_relaxed_write32(csa, state->trcqctlr, TRCQCTLR); etm4x_relaxed_write32(csa, state->trcvictlr, TRCVICTLR); etm4x_relaxed_write32(csa, state->trcviiectlr, TRCVIIECTLR); etm4x_relaxed_write32(csa, state->trcvissctlr, TRCVISSCTLR); if (drvdata->nr_pe_cmp) etm4x_relaxed_write32(csa, state->trcvipcssctlr, TRCVIPCSSCTLR); - etm4x_relaxed_write32(csa, state->trcvdctlr, TRCVDCTLR); - etm4x_relaxed_write32(csa, state->trcvdsacctlr, TRCVDSACCTLR); - etm4x_relaxed_write32(csa, state->trcvdarcctlr, TRCVDARCCTLR); for (i = 0; i < drvdata->nrseqstate - 1; i++) etm4x_relaxed_write32(csa, state->trcseqevr[i], TRCSEQEVRn(i)); @@ -1889,7 +1890,8 @@ static void __etm4_cpu_restore(struct etmv4_drvdata *drvdata) etm4x_relaxed_write32(csa, state->trccntvr[i], TRCCNTVRn(i)); } - for (i = 0; i < drvdata->nr_resource * 2; i++) + /* Resource selector pair 0 is reserved */ + for (i = 2; i < drvdata->nr_resource * 2; i++) etm4x_relaxed_write32(csa, state->trcrsctlr[i], TRCRSCTLRn(i)); for (i = 0; i < drvdata->nr_ss_cmp; i++) { @@ -2213,6 +2215,9 @@ static int etm4_probe_platform_dev(struct platform_device *pdev) ret = etm4_probe(&pdev->dev); pm_runtime_put(&pdev->dev); + if (ret) + pm_runtime_disable(&pdev->dev); + return ret; } |