.. | .. |
---|
| 1 | +// SPDX-License-Identifier: GPL-2.0-only |
---|
1 | 2 | /* |
---|
2 | 3 | * HiSilicon SoC DDRC uncore Hardware event counters support |
---|
3 | 4 | * |
---|
.. | .. |
---|
6 | 7 | * Anurup M <anurup.m@huawei.com> |
---|
7 | 8 | * |
---|
8 | 9 | * This code is based on the uncore PMUs like arm-cci and arm-ccn. |
---|
9 | | - * |
---|
10 | | - * This program is free software; you can redistribute it and/or modify |
---|
11 | | - * it under the terms of the GNU General Public License version 2 as |
---|
12 | | - * published by the Free Software Foundation. |
---|
13 | 10 | */ |
---|
14 | 11 | #include <linux/acpi.h> |
---|
15 | 12 | #include <linux/bug.h> |
---|
.. | .. |
---|
220 | 217 | |
---|
221 | 218 | /* Read and init IRQ */ |
---|
222 | 219 | irq = platform_get_irq(pdev, 0); |
---|
223 | | - if (irq < 0) { |
---|
224 | | - dev_err(&pdev->dev, "DDRC PMU get irq fail; irq:%d\n", irq); |
---|
| 220 | + if (irq < 0) |
---|
225 | 221 | return irq; |
---|
226 | | - } |
---|
227 | 222 | |
---|
228 | 223 | ret = devm_request_irq(&pdev->dev, irq, hisi_ddrc_pmu_isr, |
---|
229 | 224 | IRQF_NOBALANCING | IRQF_NO_THREAD, |
---|
.. | .. |
---|
248 | 243 | static int hisi_ddrc_pmu_init_data(struct platform_device *pdev, |
---|
249 | 244 | struct hisi_pmu *ddrc_pmu) |
---|
250 | 245 | { |
---|
251 | | - struct resource *res; |
---|
252 | | - |
---|
253 | 246 | /* |
---|
254 | 247 | * Use the SCCL_ID and DDRC channel ID to identify the |
---|
255 | 248 | * DDRC PMU, while SCCL_ID is in MPIDR[aff2]. |
---|
.. | .. |
---|
268 | 261 | /* DDRC PMUs only share the same SCCL */ |
---|
269 | 262 | ddrc_pmu->ccl_id = -1; |
---|
270 | 263 | |
---|
271 | | - res = platform_get_resource(pdev, IORESOURCE_MEM, 0); |
---|
272 | | - ddrc_pmu->base = devm_ioremap_resource(&pdev->dev, res); |
---|
| 264 | + ddrc_pmu->base = devm_platform_ioremap_resource(pdev, 0); |
---|
273 | 265 | if (IS_ERR(ddrc_pmu->base)) { |
---|
274 | 266 | dev_err(&pdev->dev, "ioremap failed for ddrc_pmu resource\n"); |
---|
275 | 267 | return PTR_ERR(ddrc_pmu->base); |
---|
.. | .. |
---|
386 | 378 | ddrc_pmu->sccl_id, ddrc_pmu->index_id); |
---|
387 | 379 | ddrc_pmu->pmu = (struct pmu) { |
---|
388 | 380 | .name = name, |
---|
| 381 | + .module = THIS_MODULE, |
---|
389 | 382 | .task_ctx_nr = perf_invalid_context, |
---|
390 | 383 | .event_init = hisi_uncore_pmu_event_init, |
---|
391 | 384 | .pmu_enable = hisi_uncore_pmu_enable, |
---|
.. | .. |
---|
396 | 389 | .stop = hisi_uncore_pmu_stop, |
---|
397 | 390 | .read = hisi_uncore_pmu_read, |
---|
398 | 391 | .attr_groups = hisi_ddrc_pmu_attr_groups, |
---|
| 392 | + .capabilities = PERF_PMU_CAP_NO_EXCLUDE, |
---|
399 | 393 | }; |
---|
400 | 394 | |
---|
401 | 395 | ret = perf_pmu_register(&ddrc_pmu->pmu, name, -1); |
---|
402 | 396 | if (ret) { |
---|
403 | 397 | dev_err(ddrc_pmu->dev, "DDRC PMU register failed!\n"); |
---|
404 | | - cpuhp_state_remove_instance(CPUHP_AP_PERF_ARM_HISI_DDRC_ONLINE, |
---|
405 | | - &ddrc_pmu->node); |
---|
| 398 | + cpuhp_state_remove_instance_nocalls( |
---|
| 399 | + CPUHP_AP_PERF_ARM_HISI_DDRC_ONLINE, &ddrc_pmu->node); |
---|
| 400 | + irq_set_affinity_hint(ddrc_pmu->irq, NULL); |
---|
406 | 401 | } |
---|
407 | 402 | |
---|
408 | 403 | return ret; |
---|
.. | .. |
---|
413 | 408 | struct hisi_pmu *ddrc_pmu = platform_get_drvdata(pdev); |
---|
414 | 409 | |
---|
415 | 410 | perf_pmu_unregister(&ddrc_pmu->pmu); |
---|
416 | | - cpuhp_state_remove_instance(CPUHP_AP_PERF_ARM_HISI_DDRC_ONLINE, |
---|
417 | | - &ddrc_pmu->node); |
---|
| 411 | + cpuhp_state_remove_instance_nocalls(CPUHP_AP_PERF_ARM_HISI_DDRC_ONLINE, |
---|
| 412 | + &ddrc_pmu->node); |
---|
| 413 | + irq_set_affinity_hint(ddrc_pmu->irq, NULL); |
---|
418 | 414 | |
---|
419 | 415 | return 0; |
---|
420 | 416 | } |
---|
.. | .. |
---|
423 | 419 | .driver = { |
---|
424 | 420 | .name = "hisi_ddrc_pmu", |
---|
425 | 421 | .acpi_match_table = ACPI_PTR(hisi_ddrc_pmu_acpi_match), |
---|
| 422 | + .suppress_bind_attrs = true, |
---|
426 | 423 | }, |
---|
427 | 424 | .probe = hisi_ddrc_pmu_probe, |
---|
428 | 425 | .remove = hisi_ddrc_pmu_remove, |
---|