disable FB

hc

2024-01-04 1543e317f1da31b75942316931e8f491a8920811

 kernel/drivers/cpufreq/e_powersaver.c
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@@ -1,7 +1,6 @@
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+// SPDX-License-Identifier: GPL-2.0-only
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 /*
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  *  Based on documentation provided by Dave Jones. Thanks!
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- *
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- *  Licensed under the terms of the GNU GPL License version 2.
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  *
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  *  BIG FAT DISCLAIMER: Work in progress code. Possibly *dangerous*
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  */
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@@ -224,7 +223,6 @@
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 	case EPS_BRAND_C3:
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 		pr_cont("C3\n");
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 		return -ENODEV;
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-		break;
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 	}
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 	/* Enable Enhanced PowerSaver */
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 	rdmsrl(MSR_IA32_MISC_ENABLE, val);
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@@ -323,9 +321,8 @@
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 		states = 2;
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 	/* Allocate private data and frequency table for current cpu */
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-	centaur = kzalloc(sizeof(*centaur)
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-		    + (states + 1) * sizeof(struct cpufreq_frequency_table),
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-		    GFP_KERNEL);
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+	centaur = kzalloc(struct_size(centaur, freq_table, states + 1),
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+			  GFP_KERNEL);
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 	if (!centaur)
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 		return -ENOMEM;
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 	eps_cpu[0] = centaur;
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@@ -387,7 +384,7 @@
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 /* This driver will work only on Centaur C7 processors with
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  * Enhanced SpeedStep/PowerSaver registers */
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 static const struct x86_cpu_id eps_cpu_id[] = {
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-	{ X86_VENDOR_CENTAUR, 6, X86_MODEL_ANY, X86_FEATURE_EST },
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+	X86_MATCH_VENDOR_FAM_FEATURE(CENTAUR, 6, X86_FEATURE_EST, NULL),
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 	{}
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 };
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 MODULE_DEVICE_TABLE(x86cpu, eps_cpu_id);