drivers/perf: Remove usage of the deprecated ida_simple_xx() API

ida_alloc() and ida_free() should be preferred to the deprecated
ida_simple_get() and ida_simple_remove().

This is less verbose.
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Link: https://lore.kernel.org/r/85b0b73a1b2f743dd5db15d4765c7685100de27f.1702230488.git.christophe.jaillet@wanadoo.frSigned-off-by: Will Deacon <will@kernel.org>

drivers/perf/fsl_imx9_ddr_perf.c

@@ -617,7 +617,7 @@ static int ddr_perf_probe(struct platform_device *pdev)
 
 	platform_set_drvdata(pdev, pmu);
 
-	pmu->id = ida_simple_get(&ddr_ida, 0, 0, GFP_KERNEL);
+	pmu->id = ida_alloc(&ddr_ida, GFP_KERNEL);
 	name = devm_kasprintf(&pdev->dev, GFP_KERNEL, DDR_PERF_DEV_NAME "%d", pmu->id);
 	if (!name) {
 		ret = -ENOMEM;
@@ -674,7 +674,7 @@ static int ddr_perf_probe(struct platform_device *pdev)
 	cpuhp_remove_multi_state(pmu->cpuhp_state);
 cpuhp_state_err:
 format_string_err:
-	ida_simple_remove(&ddr_ida, pmu->id);
+	ida_free(&ddr_ida, pmu->id);
 	dev_warn(&pdev->dev, "i.MX9 DDR Perf PMU failed (%d), disabled\n", ret);
 	return ret;
 }
@@ -688,7 +688,7 @@ static int ddr_perf_remove(struct platform_device *pdev)
 
 	perf_pmu_unregister(&pmu->pmu);
 
-	ida_simple_remove(&ddr_ida, pmu->id);
+	ida_free(&ddr_ida, pmu->id);
 
 	return 0;
 }