diff options
author | Guenter Roeck <guenter.roeck@ericsson.com> | 2011-05-19 17:45:48 -0400 |
---|---|---|
committer | Guenter Roeck <guenter.roeck@ericsson.com> | 2011-05-21 10:29:17 -0400 |
commit | 4cc452758fd250bb5968c583d825bb0e68d65db0 (patch) | |
tree | a7377699334474e5f9f963b6b6bb3a37a7fec684 /drivers/hwmon | |
parent | 5e99c2f1e0c86d27ed2a5261442126cd0935bc69 (diff) |
hwmon: (coretemp) Fix checkpatch errors
Fix remaining checkpatch errors in the coretemp driver.
Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com>
Cc: Fenghua Yu <fenghua.yu@intel.com>
Cc: Durgadoss R <durgadoss.r@intel.com>
Acked-by: Jean Delvare <khali@linux-fr.org>
Diffstat (limited to 'drivers/hwmon')
-rw-r--r-- | drivers/hwmon/coretemp.c | 67 |
1 files changed, 37 insertions, 30 deletions
diff --git a/drivers/hwmon/coretemp.c b/drivers/hwmon/coretemp.c index ece3b7da6538..5c7cd60d5f9d 100644 --- a/drivers/hwmon/coretemp.c +++ b/drivers/hwmon/coretemp.c | |||
@@ -35,9 +35,9 @@ | |||
35 | #include <linux/platform_device.h> | 35 | #include <linux/platform_device.h> |
36 | #include <linux/cpu.h> | 36 | #include <linux/cpu.h> |
37 | #include <linux/pci.h> | 37 | #include <linux/pci.h> |
38 | #include <linux/smp.h> | ||
38 | #include <asm/msr.h> | 39 | #include <asm/msr.h> |
39 | #include <asm/processor.h> | 40 | #include <asm/processor.h> |
40 | #include <asm/smp.h> | ||
41 | 41 | ||
42 | #define DRVNAME "coretemp" | 42 | #define DRVNAME "coretemp" |
43 | 43 | ||
@@ -170,7 +170,7 @@ static ssize_t show_temp(struct device *dev, | |||
170 | /* Check whether the data is valid */ | 170 | /* Check whether the data is valid */ |
171 | if (eax & 0x80000000) { | 171 | if (eax & 0x80000000) { |
172 | tdata->temp = tdata->tjmax - | 172 | tdata->temp = tdata->tjmax - |
173 | (((eax >> 16) & 0x7f) * 1000); | 173 | ((eax >> 16) & 0x7f) * 1000; |
174 | tdata->valid = 1; | 174 | tdata->valid = 1; |
175 | } | 175 | } |
176 | tdata->last_updated = jiffies; | 176 | tdata->last_updated = jiffies; |
@@ -193,9 +193,8 @@ static int adjust_tjmax(struct cpuinfo_x86 *c, u32 id, struct device *dev) | |||
193 | 193 | ||
194 | /* Early chips have no MSR for TjMax */ | 194 | /* Early chips have no MSR for TjMax */ |
195 | 195 | ||
196 | if ((c->x86_model == 0xf) && (c->x86_mask < 4)) { | 196 | if (c->x86_model == 0xf && c->x86_mask < 4) |
197 | usemsr_ee = 0; | 197 | usemsr_ee = 0; |
198 | } | ||
199 | 198 | ||
200 | /* Atom CPUs */ | 199 | /* Atom CPUs */ |
201 | 200 | ||
@@ -214,14 +213,14 @@ static int adjust_tjmax(struct cpuinfo_x86 *c, u32 id, struct device *dev) | |||
214 | pci_dev_put(host_bridge); | 213 | pci_dev_put(host_bridge); |
215 | } | 214 | } |
216 | 215 | ||
217 | if ((c->x86_model > 0xe) && (usemsr_ee)) { | 216 | if (c->x86_model > 0xe && usemsr_ee) { |
218 | u8 platform_id; | 217 | u8 platform_id; |
219 | 218 | ||
220 | /* Now we can detect the mobile CPU using Intel provided table | 219 | /* |
221 | http://softwarecommunity.intel.com/Wiki/Mobility/720.htm | 220 | * Now we can detect the mobile CPU using Intel provided table |
222 | For Core2 cores, check MSR 0x17, bit 28 1 = Mobile CPU | 221 | * http://softwarecommunity.intel.com/Wiki/Mobility/720.htm |
223 | */ | 222 | * For Core2 cores, check MSR 0x17, bit 28 1 = Mobile CPU |
224 | 223 | */ | |
225 | err = rdmsr_safe_on_cpu(id, 0x17, &eax, &edx); | 224 | err = rdmsr_safe_on_cpu(id, 0x17, &eax, &edx); |
226 | if (err) { | 225 | if (err) { |
227 | dev_warn(dev, | 226 | dev_warn(dev, |
@@ -229,20 +228,26 @@ static int adjust_tjmax(struct cpuinfo_x86 *c, u32 id, struct device *dev) | |||
229 | " CPU\n"); | 228 | " CPU\n"); |
230 | usemsr_ee = 0; | 229 | usemsr_ee = 0; |
231 | } else if (c->x86_model < 0x17 && !(eax & 0x10000000)) { | 230 | } else if (c->x86_model < 0x17 && !(eax & 0x10000000)) { |
232 | /* Trust bit 28 up to Penryn, I could not find any | 231 | /* |
233 | documentation on that; if you happen to know | 232 | * Trust bit 28 up to Penryn, I could not find any |
234 | someone at Intel please ask */ | 233 | * documentation on that; if you happen to know |
234 | * someone at Intel please ask | ||
235 | */ | ||
235 | usemsr_ee = 0; | 236 | usemsr_ee = 0; |
236 | } else { | 237 | } else { |
237 | /* Platform ID bits 52:50 (EDX starts at bit 32) */ | 238 | /* Platform ID bits 52:50 (EDX starts at bit 32) */ |
238 | platform_id = (edx >> 18) & 0x7; | 239 | platform_id = (edx >> 18) & 0x7; |
239 | 240 | ||
240 | /* Mobile Penryn CPU seems to be platform ID 7 or 5 | 241 | /* |
241 | (guesswork) */ | 242 | * Mobile Penryn CPU seems to be platform ID 7 or 5 |
242 | if ((c->x86_model == 0x17) && | 243 | * (guesswork) |
243 | ((platform_id == 5) || (platform_id == 7))) { | 244 | */ |
244 | /* If MSR EE bit is set, set it to 90 degrees C, | 245 | if (c->x86_model == 0x17 && |
245 | otherwise 105 degrees C */ | 246 | (platform_id == 5 || platform_id == 7)) { |
247 | /* | ||
248 | * If MSR EE bit is set, set it to 90 degrees C, | ||
249 | * otherwise 105 degrees C | ||
250 | */ | ||
246 | tjmax_ee = 90000; | 251 | tjmax_ee = 90000; |
247 | tjmax = 105000; | 252 | tjmax = 105000; |
248 | } | 253 | } |
@@ -250,7 +255,6 @@ static int adjust_tjmax(struct cpuinfo_x86 *c, u32 id, struct device *dev) | |||
250 | } | 255 | } |
251 | 256 | ||
252 | if (usemsr_ee) { | 257 | if (usemsr_ee) { |
253 | |||
254 | err = rdmsr_safe_on_cpu(id, 0xee, &eax, &edx); | 258 | err = rdmsr_safe_on_cpu(id, 0xee, &eax, &edx); |
255 | if (err) { | 259 | if (err) { |
256 | dev_warn(dev, | 260 | dev_warn(dev, |
@@ -259,9 +263,11 @@ static int adjust_tjmax(struct cpuinfo_x86 *c, u32 id, struct device *dev) | |||
259 | } else if (eax & 0x40000000) { | 263 | } else if (eax & 0x40000000) { |
260 | tjmax = tjmax_ee; | 264 | tjmax = tjmax_ee; |
261 | } | 265 | } |
262 | /* if we dont use msr EE it means we are desktop CPU (with exeception | ||
263 | of Atom) */ | ||
264 | } else if (tjmax == 100000) { | 266 | } else if (tjmax == 100000) { |
267 | /* | ||
268 | * If we don't use msr EE it means we are desktop CPU | ||
269 | * (with exeception of Atom) | ||
270 | */ | ||
265 | dev_warn(dev, "Using relative temperature scale!\n"); | 271 | dev_warn(dev, "Using relative temperature scale!\n"); |
266 | } | 272 | } |
267 | 273 | ||
@@ -275,8 +281,10 @@ static int get_tjmax(struct cpuinfo_x86 *c, u32 id, struct device *dev) | |||
275 | u32 eax, edx; | 281 | u32 eax, edx; |
276 | u32 val; | 282 | u32 val; |
277 | 283 | ||
278 | /* A new feature of current Intel(R) processors, the | 284 | /* |
279 | IA32_TEMPERATURE_TARGET contains the TjMax value */ | 285 | * A new feature of current Intel(R) processors, the |
286 | * IA32_TEMPERATURE_TARGET contains the TjMax value | ||
287 | */ | ||
280 | err = rdmsr_safe_on_cpu(id, MSR_IA32_TEMPERATURE_TARGET, &eax, &edx); | 288 | err = rdmsr_safe_on_cpu(id, MSR_IA32_TEMPERATURE_TARGET, &eax, &edx); |
281 | if (err) { | 289 | if (err) { |
282 | dev_warn(dev, "Unable to read TjMax from CPU.\n"); | 290 | dev_warn(dev, "Unable to read TjMax from CPU.\n"); |
@@ -286,7 +294,7 @@ static int get_tjmax(struct cpuinfo_x86 *c, u32 id, struct device *dev) | |||
286 | * If the TjMax is not plausible, an assumption | 294 | * If the TjMax is not plausible, an assumption |
287 | * will be used | 295 | * will be used |
288 | */ | 296 | */ |
289 | if ((val > 80) && (val < 120)) { | 297 | if (val > 80 && val < 120) { |
290 | dev_info(dev, "TjMax is %d C.\n", val); | 298 | dev_info(dev, "TjMax is %d C.\n", val); |
291 | return val * 1000; | 299 | return val * 1000; |
292 | } | 300 | } |
@@ -331,7 +339,7 @@ static int get_pkg_tjmax(unsigned int cpu, struct device *dev) | |||
331 | err = rdmsr_safe_on_cpu(cpu, MSR_IA32_TEMPERATURE_TARGET, &eax, &edx); | 339 | err = rdmsr_safe_on_cpu(cpu, MSR_IA32_TEMPERATURE_TARGET, &eax, &edx); |
332 | if (!err) { | 340 | if (!err) { |
333 | val = (eax >> 16) & 0xff; | 341 | val = (eax >> 16) & 0xff; |
334 | if ((val > 80) && (val < 120)) | 342 | if (val > 80 && val < 120) |
335 | return val * 1000; | 343 | return val * 1000; |
336 | } | 344 | } |
337 | dev_warn(dev, "Unable to read Pkg-TjMax from CPU:%u\n", cpu); | 345 | dev_warn(dev, "Unable to read Pkg-TjMax from CPU:%u\n", cpu); |
@@ -399,7 +407,7 @@ static void update_ttarget(__u8 cpu_model, struct temp_data *tdata, | |||
399 | * on older CPUs but not in this register, | 407 | * on older CPUs but not in this register, |
400 | * Atoms don't have it either. | 408 | * Atoms don't have it either. |
401 | */ | 409 | */ |
402 | if ((cpu_model > 0xe) && (cpu_model != 0x1c)) { | 410 | if (cpu_model > 0xe && cpu_model != 0x1c) { |
403 | err = rdmsr_safe_on_cpu(tdata->cpu, | 411 | err = rdmsr_safe_on_cpu(tdata->cpu, |
404 | MSR_IA32_TEMPERATURE_TARGET, &eax, &edx); | 412 | MSR_IA32_TEMPERATURE_TARGET, &eax, &edx); |
405 | if (err) { | 413 | if (err) { |
@@ -407,7 +415,7 @@ static void update_ttarget(__u8 cpu_model, struct temp_data *tdata, | |||
407 | "Unable to read IA32_TEMPERATURE_TARGET MSR\n"); | 415 | "Unable to read IA32_TEMPERATURE_TARGET MSR\n"); |
408 | } else { | 416 | } else { |
409 | tdata->ttarget = tdata->tjmax - | 417 | tdata->ttarget = tdata->tjmax - |
410 | (((eax >> 8) & 0xff) * 1000); | 418 | ((eax >> 8) & 0xff) * 1000; |
411 | } | 419 | } |
412 | } | 420 | } |
413 | } | 421 | } |
@@ -423,7 +431,7 @@ static int chk_ucode_version(struct platform_device *pdev) | |||
423 | * Readings might stop update when processor visited too deep sleep, | 431 | * Readings might stop update when processor visited too deep sleep, |
424 | * fixed for stepping D0 (6EC). | 432 | * fixed for stepping D0 (6EC). |
425 | */ | 433 | */ |
426 | if ((c->x86_model == 0xe) && (c->x86_mask < 0xc)) { | 434 | if (c->x86_model == 0xe && c->x86_mask < 0xc) { |
427 | /* check for microcode update */ | 435 | /* check for microcode update */ |
428 | err = smp_call_function_single(pdev->id, get_ucode_rev_on_cpu, | 436 | err = smp_call_function_single(pdev->id, get_ucode_rev_on_cpu, |
429 | &edx, 1); | 437 | &edx, 1); |
@@ -791,7 +799,6 @@ static struct notifier_block coretemp_cpu_notifier __refdata = { | |||
791 | .notifier_call = coretemp_cpu_callback, | 799 | .notifier_call = coretemp_cpu_callback, |
792 | }; | 800 | }; |
793 | 801 | ||
794 | |||
795 | static int __init coretemp_init(void) | 802 | static int __init coretemp_init(void) |
796 | { | 803 | { |
797 | int i, err = -ENODEV; | 804 | int i, err = -ENODEV; |