diff options
Diffstat (limited to 'drivers/hwmon/coretemp.c')
-rw-r--r-- | drivers/hwmon/coretemp.c | 37 |
1 files changed, 33 insertions, 4 deletions
diff --git a/drivers/hwmon/coretemp.c b/drivers/hwmon/coretemp.c index b9d512331ed4..637c51c11b44 100644 --- a/drivers/hwmon/coretemp.c +++ b/drivers/hwmon/coretemp.c | |||
@@ -191,6 +191,24 @@ static ssize_t show_temp(struct device *dev, | |||
191 | return tdata->valid ? sprintf(buf, "%d\n", tdata->temp) : -EAGAIN; | 191 | return tdata->valid ? sprintf(buf, "%d\n", tdata->temp) : -EAGAIN; |
192 | } | 192 | } |
193 | 193 | ||
194 | struct tjmax { | ||
195 | char const *id; | ||
196 | int tjmax; | ||
197 | }; | ||
198 | |||
199 | static struct tjmax __cpuinitconst tjmax_table[] = { | ||
200 | { "CPU D410", 100000 }, | ||
201 | { "CPU D425", 100000 }, | ||
202 | { "CPU D510", 100000 }, | ||
203 | { "CPU D525", 100000 }, | ||
204 | { "CPU N450", 100000 }, | ||
205 | { "CPU N455", 100000 }, | ||
206 | { "CPU N470", 100000 }, | ||
207 | { "CPU N475", 100000 }, | ||
208 | { "CPU 230", 100000 }, | ||
209 | { "CPU 330", 125000 }, | ||
210 | }; | ||
211 | |||
194 | static int __cpuinit adjust_tjmax(struct cpuinfo_x86 *c, u32 id, | 212 | static int __cpuinit adjust_tjmax(struct cpuinfo_x86 *c, u32 id, |
195 | struct device *dev) | 213 | struct device *dev) |
196 | { | 214 | { |
@@ -202,6 +220,13 @@ static int __cpuinit adjust_tjmax(struct cpuinfo_x86 *c, u32 id, | |||
202 | int err; | 220 | int err; |
203 | u32 eax, edx; | 221 | u32 eax, edx; |
204 | struct pci_dev *host_bridge; | 222 | struct pci_dev *host_bridge; |
223 | int i; | ||
224 | |||
225 | /* explicit tjmax table entries override heuristics */ | ||
226 | for (i = 0; i < ARRAY_SIZE(tjmax_table); i++) { | ||
227 | if (strstr(c->x86_model_id, tjmax_table[i].id)) | ||
228 | return tjmax_table[i].tjmax; | ||
229 | } | ||
205 | 230 | ||
206 | /* Early chips have no MSR for TjMax */ | 231 | /* Early chips have no MSR for TjMax */ |
207 | 232 | ||
@@ -210,7 +235,8 @@ static int __cpuinit adjust_tjmax(struct cpuinfo_x86 *c, u32 id, | |||
210 | 235 | ||
211 | /* Atom CPUs */ | 236 | /* Atom CPUs */ |
212 | 237 | ||
213 | if (c->x86_model == 0x1c) { | 238 | if (c->x86_model == 0x1c || c->x86_model == 0x26 |
239 | || c->x86_model == 0x27) { | ||
214 | usemsr_ee = 0; | 240 | usemsr_ee = 0; |
215 | 241 | ||
216 | host_bridge = pci_get_bus_and_slot(0, PCI_DEVFN(0, 0)); | 242 | host_bridge = pci_get_bus_and_slot(0, PCI_DEVFN(0, 0)); |
@@ -223,6 +249,9 @@ static int __cpuinit adjust_tjmax(struct cpuinfo_x86 *c, u32 id, | |||
223 | tjmax = 90000; | 249 | tjmax = 90000; |
224 | 250 | ||
225 | pci_dev_put(host_bridge); | 251 | pci_dev_put(host_bridge); |
252 | } else if (c->x86_model == 0x36) { | ||
253 | usemsr_ee = 0; | ||
254 | tjmax = 100000; | ||
226 | } | 255 | } |
227 | 256 | ||
228 | if (c->x86_model > 0xe && usemsr_ee) { | 257 | if (c->x86_model > 0xe && usemsr_ee) { |
@@ -664,7 +693,7 @@ static void __cpuinit get_core_online(unsigned int cpu) | |||
664 | * sensors. We check this bit only, all the early CPUs | 693 | * sensors. We check this bit only, all the early CPUs |
665 | * without thermal sensors will be filtered out. | 694 | * without thermal sensors will be filtered out. |
666 | */ | 695 | */ |
667 | if (!cpu_has(c, X86_FEATURE_DTS)) | 696 | if (!cpu_has(c, X86_FEATURE_DTHERM)) |
668 | return; | 697 | return; |
669 | 698 | ||
670 | if (!pdev) { | 699 | if (!pdev) { |
@@ -765,14 +794,14 @@ static struct notifier_block coretemp_cpu_notifier __refdata = { | |||
765 | }; | 794 | }; |
766 | 795 | ||
767 | static const struct x86_cpu_id coretemp_ids[] = { | 796 | static const struct x86_cpu_id coretemp_ids[] = { |
768 | { X86_VENDOR_INTEL, X86_FAMILY_ANY, X86_MODEL_ANY, X86_FEATURE_DTS }, | 797 | { X86_VENDOR_INTEL, X86_FAMILY_ANY, X86_MODEL_ANY, X86_FEATURE_DTHERM }, |
769 | {} | 798 | {} |
770 | }; | 799 | }; |
771 | MODULE_DEVICE_TABLE(x86cpu, coretemp_ids); | 800 | MODULE_DEVICE_TABLE(x86cpu, coretemp_ids); |
772 | 801 | ||
773 | static int __init coretemp_init(void) | 802 | static int __init coretemp_init(void) |
774 | { | 803 | { |
775 | int i, err = -ENODEV; | 804 | int i, err; |
776 | 805 | ||
777 | /* | 806 | /* |
778 | * CPUID.06H.EAX[0] indicates whether the CPU has thermal | 807 | * CPUID.06H.EAX[0] indicates whether the CPU has thermal |