diff options
| -rw-r--r-- | drivers/perf/arm-cci.c | 40 |
1 files changed, 16 insertions, 24 deletions
diff --git a/drivers/perf/arm-cci.c b/drivers/perf/arm-cci.c index 242623fbce1f..336f1455cf96 100644 --- a/drivers/perf/arm-cci.c +++ b/drivers/perf/arm-cci.c @@ -8,6 +8,7 @@ #include <linux/interrupt.h> #include <linux/module.h> #include <linux/of_address.h> +#include <linux/of_device.h> #include <linux/of_irq.h> #include <linux/of_platform.h> #include <linux/perf_event.h> @@ -371,14 +372,14 @@ static int probe_cci400_revision(void) return CCI400_R1; } -static const struct cci_pmu_model *probe_cci_model(struct platform_device *pdev) +static const struct cci_pmu_model *probe_cci_model(void) { if (platform_has_secure_cci_access()) return &cci_pmu_models[probe_cci400_revision()]; return NULL; } #else /* !CONFIG_ARM_CCI400_PMU */ -static inline struct cci_pmu_model *probe_cci_model(struct platform_device *pdev) +static inline struct cci_pmu_model *probe_cci_model(void) { return NULL; } @@ -1589,20 +1590,6 @@ static const struct of_device_id arm_cci_pmu_matches[] = { {}, }; -static inline const struct cci_pmu_model *get_cci_model(struct platform_device *pdev) -{ - const struct of_device_id *match = of_match_node(arm_cci_pmu_matches, - pdev->dev.of_node); - if (!match) - return NULL; - if (match->data) - return match->data; - - dev_warn(&pdev->dev, "DEPRECATED compatible property," - "requires secure access to CCI registers"); - return probe_cci_model(pdev); -} - static bool is_duplicate_irq(int irq, int *irqs, int nr_irqs) { int i; @@ -1614,7 +1601,7 @@ static bool is_duplicate_irq(int irq, int *irqs, int nr_irqs) return false; } -static struct cci_pmu *cci_pmu_alloc(struct platform_device *pdev) +static struct cci_pmu *cci_pmu_alloc(struct device *dev) { struct cci_pmu *cci_pmu; const struct cci_pmu_model *model; @@ -1624,28 +1611,33 @@ static struct cci_pmu *cci_pmu_alloc(struct platform_device *pdev) * them explicitly on an error, as it would end up in driver * detach. */ - model = get_cci_model(pdev); + model = of_device_get_match_data(dev); + if (!model) { + dev_warn(dev, + "DEPRECATED compatible property, requires secure access to CCI registers"); + model = probe_cci_model(); + } if (!model) { - dev_warn(&pdev->dev, "CCI PMU version not supported\n"); + dev_warn(dev, "CCI PMU version not supported\n"); return ERR_PTR(-ENODEV); } - cci_pmu = devm_kzalloc(&pdev->dev, sizeof(*cci_pmu), GFP_KERNEL); + cci_pmu = devm_kzalloc(dev, sizeof(*cci_pmu), GFP_KERNEL); if (!cci_pmu) return ERR_PTR(-ENOMEM); cci_pmu->model = model; - cci_pmu->irqs = devm_kcalloc(&pdev->dev, CCI_PMU_MAX_HW_CNTRS(model), + cci_pmu->irqs = devm_kcalloc(dev, CCI_PMU_MAX_HW_CNTRS(model), sizeof(*cci_pmu->irqs), GFP_KERNEL); if (!cci_pmu->irqs) return ERR_PTR(-ENOMEM); - cci_pmu->hw_events.events = devm_kcalloc(&pdev->dev, + cci_pmu->hw_events.events = devm_kcalloc(dev, CCI_PMU_MAX_HW_CNTRS(model), sizeof(*cci_pmu->hw_events.events), GFP_KERNEL); if (!cci_pmu->hw_events.events) return ERR_PTR(-ENOMEM); - cci_pmu->hw_events.used_mask = devm_kcalloc(&pdev->dev, + cci_pmu->hw_events.used_mask = devm_kcalloc(dev, BITS_TO_LONGS(CCI_PMU_MAX_HW_CNTRS(model)), sizeof(*cci_pmu->hw_events.used_mask), GFP_KERNEL); @@ -1661,7 +1653,7 @@ static int cci_pmu_probe(struct platform_device *pdev) struct cci_pmu *cci_pmu; int i, ret, irq; - cci_pmu = cci_pmu_alloc(pdev); + cci_pmu = cci_pmu_alloc(&pdev->dev); if (IS_ERR(cci_pmu)) return PTR_ERR(cci_pmu); |