diff options
Diffstat (limited to 'drivers/hwmon/coretemp.c')
| -rw-r--r-- | drivers/hwmon/coretemp.c | 75 |
1 files changed, 38 insertions, 37 deletions
diff --git a/drivers/hwmon/coretemp.c b/drivers/hwmon/coretemp.c index 984a3f13923..d64923d6353 100644 --- a/drivers/hwmon/coretemp.c +++ b/drivers/hwmon/coretemp.c @@ -34,7 +34,6 @@ #include <linux/list.h> #include <linux/platform_device.h> #include <linux/cpu.h> -#include <linux/pci.h> #include <linux/smp.h> #include <linux/moduleparam.h> #include <asm/msr.h> @@ -197,16 +196,33 @@ struct tjmax { }; static const struct tjmax __cpuinitconst tjmax_table[] = { - { "CPU D410", 100000 }, - { "CPU D425", 100000 }, - { "CPU D510", 100000 }, - { "CPU D525", 100000 }, - { "CPU N450", 100000 }, - { "CPU N455", 100000 }, - { "CPU N470", 100000 }, - { "CPU N475", 100000 }, - { "CPU 230", 100000 }, - { "CPU 330", 125000 }, + { "CPU 230", 100000 }, /* Model 0x1c, stepping 2 */ + { "CPU 330", 125000 }, /* Model 0x1c, stepping 2 */ + { "CPU CE4110", 110000 }, /* Model 0x1c, stepping 10 */ + { "CPU CE4150", 110000 }, /* Model 0x1c, stepping 10 */ + { "CPU CE4170", 110000 }, /* Model 0x1c, stepping 10 */ +}; + +struct tjmax_model { + u8 model; + u8 mask; + int tjmax; +}; + +#define ANY 0xff + +static const struct tjmax_model __cpuinitconst tjmax_model_table[] = { + { 0x1c, 10, 100000 }, /* D4xx, N4xx, D5xx, N5xx */ + { 0x1c, ANY, 90000 }, /* Z5xx, N2xx, possibly others + * Note: Also matches 230 and 330, + * which are covered by tjmax_table + */ + { 0x26, ANY, 90000 }, /* Atom Tunnel Creek (Exx), Lincroft (Z6xx) + * Note: TjMax for E6xxT is 110C, but CPU type + * is undetectable by software + */ + { 0x27, ANY, 90000 }, /* Atom Medfield (Z2460) */ + { 0x36, ANY, 100000 }, /* Atom Cedar Trail/Cedarview (N2xxx, D2xxx) */ }; static int __cpuinit adjust_tjmax(struct cpuinfo_x86 *c, u32 id, @@ -219,7 +235,6 @@ static int __cpuinit adjust_tjmax(struct cpuinfo_x86 *c, u32 id, int usemsr_ee = 1; int err; u32 eax, edx; - struct pci_dev *host_bridge; int i; /* explicit tjmax table entries override heuristics */ @@ -228,32 +243,18 @@ static int __cpuinit adjust_tjmax(struct cpuinfo_x86 *c, u32 id, return tjmax_table[i].tjmax; } + for (i = 0; i < ARRAY_SIZE(tjmax_model_table); i++) { + const struct tjmax_model *tm = &tjmax_model_table[i]; + if (c->x86_model == tm->model && + (tm->mask == ANY || c->x86_mask == tm->mask)) + return tm->tjmax; + } + /* Early chips have no MSR for TjMax */ if (c->x86_model == 0xf && c->x86_mask < 4) usemsr_ee = 0; - /* Atom CPUs */ - - if (c->x86_model == 0x1c || c->x86_model == 0x26 - || c->x86_model == 0x27) { - usemsr_ee = 0; - - host_bridge = pci_get_bus_and_slot(0, PCI_DEVFN(0, 0)); - - if (host_bridge && host_bridge->vendor == PCI_VENDOR_ID_INTEL - && (host_bridge->device == 0xa000 /* NM10 based nettop */ - || host_bridge->device == 0xa010)) /* NM10 based netbook */ - tjmax = 100000; - else - tjmax = 90000; - - pci_dev_put(host_bridge); - } else if (c->x86_model == 0x36) { - usemsr_ee = 0; - tjmax = 100000; - } - if (c->x86_model > 0xe && usemsr_ee) { u8 platform_id; @@ -355,7 +356,7 @@ static int __cpuinit get_tjmax(struct cpuinfo_x86 *c, u32 id, return adjust_tjmax(c, id, dev); } -static int __devinit create_name_attr(struct platform_data *pdata, +static int create_name_attr(struct platform_data *pdata, struct device *dev) { sysfs_attr_init(&pdata->name_attr.attr); @@ -550,7 +551,7 @@ static void coretemp_remove_core(struct platform_data *pdata, pdata->core_data[indx] = NULL; } -static int __devinit coretemp_probe(struct platform_device *pdev) +static int coretemp_probe(struct platform_device *pdev) { struct platform_data *pdata; int err; @@ -583,7 +584,7 @@ exit_free: return err; } -static int __devexit coretemp_remove(struct platform_device *pdev) +static int coretemp_remove(struct platform_device *pdev) { struct platform_data *pdata = platform_get_drvdata(pdev); int i; @@ -605,7 +606,7 @@ static struct platform_driver coretemp_driver = { .name = DRVNAME, }, .probe = coretemp_probe, - .remove = __devexit_p(coretemp_remove), + .remove = coretemp_remove, }; static int __cpuinit coretemp_device_add(unsigned int cpu) |