.. | .. |
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| 1 | +// SPDX-License-Identifier: GPL-2.0-only |
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1 | 2 | /* |
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2 | 3 | * POWER platform energy management driver |
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3 | 4 | * Copyright (C) 2010 IBM Corporation |
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4 | | - * |
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5 | | - * This program is free software; you can redistribute it and/or |
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6 | | - * modify it under the terms of the GNU General Public License |
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7 | | - * version 2 as published by the Free Software Foundation. |
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8 | 5 | * |
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9 | 6 | * This pseries platform device driver provides access to |
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10 | 7 | * platform energy management capabilities. |
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.. | .. |
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39 | 36 | static u32 cpu_to_drc_index(int cpu) |
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40 | 37 | { |
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41 | 38 | struct device_node *dn = NULL; |
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| 39 | + struct property *info; |
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42 | 40 | int thread_index; |
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43 | 41 | int rc = 1; |
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44 | 42 | u32 ret = 0; |
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.. | .. |
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50 | 48 | /* Convert logical cpu number to core number */ |
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51 | 49 | thread_index = cpu_core_index_of_thread(cpu); |
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52 | 50 | |
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53 | | - if (firmware_has_feature(FW_FEATURE_DRC_INFO)) { |
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54 | | - struct property *info = NULL; |
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| 51 | + info = of_find_property(dn, "ibm,drc-info", NULL); |
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| 52 | + if (info) { |
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55 | 53 | struct of_drc_info drc; |
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56 | 54 | int j; |
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57 | 55 | u32 num_set_entries; |
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58 | 56 | const __be32 *value; |
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59 | 57 | |
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60 | | - info = of_find_property(dn, "ibm,drc-info", NULL); |
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61 | | - if (info == NULL) |
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62 | | - goto err_of_node_put; |
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63 | | - |
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64 | 58 | value = of_prop_next_u32(info, NULL, &num_set_entries); |
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65 | 59 | if (!value) |
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66 | 60 | goto err_of_node_put; |
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| 61 | + else |
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| 62 | + value++; |
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67 | 63 | |
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68 | 64 | for (j = 0; j < num_set_entries; j++) { |
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69 | 65 | |
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.. | .. |
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113 | 109 | static int drc_index_to_cpu(u32 drc_index) |
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114 | 110 | { |
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115 | 111 | struct device_node *dn = NULL; |
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| 112 | + struct property *info; |
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116 | 113 | const int *indexes; |
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117 | 114 | int thread_index = 0, cpu = 0; |
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118 | 115 | int rc = 1; |
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.. | .. |
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120 | 117 | dn = of_find_node_by_path("/cpus"); |
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121 | 118 | if (dn == NULL) |
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122 | 119 | goto err; |
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123 | | - |
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124 | | - if (firmware_has_feature(FW_FEATURE_DRC_INFO)) { |
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125 | | - struct property *info = NULL; |
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| 120 | + info = of_find_property(dn, "ibm,drc-info", NULL); |
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| 121 | + if (info) { |
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126 | 122 | struct of_drc_info drc; |
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127 | 123 | int j; |
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128 | 124 | u32 num_set_entries; |
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129 | 125 | const __be32 *value; |
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130 | 126 | |
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131 | | - info = of_find_property(dn, "ibm,drc-info", NULL); |
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132 | | - if (info == NULL) |
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133 | | - goto err_of_node_put; |
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134 | | - |
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135 | 127 | value = of_prop_next_u32(info, NULL, &num_set_entries); |
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136 | 128 | if (!value) |
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137 | 129 | goto err_of_node_put; |
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| 130 | + else |
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| 131 | + value++; |
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138 | 132 | |
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139 | 133 | for (j = 0; j < num_set_entries; j++) { |
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140 | 134 | |
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