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Lines 299-337
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| 299 |
{ |
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{ |
| 300 |
struct cpuinfo_x86 *c = cpu_data; |
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struct cpuinfo_x86 *c = cpu_data; |
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printk("SPEEDSTEP_DEBUG: #1\n"); |
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if (c->x86_vendor != X86_VENDOR_INTEL) { |
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if (c->x86_vendor != X86_VENDOR_INTEL) { |
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printk("SPEEDSTEP_DEBUG: #1a\n"); |
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printk (KERN_INFO PFX "No Intel CPU detected.\n"); |
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printk (KERN_INFO PFX "No Intel CPU detected.\n"); |
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return -ENODEV; |
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return -ENODEV; |
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} |
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} |
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dprintk(KERN_DEBUG PFX "signature:0x%.8lx, command:0x%.8lx, event:0x%.8lx, perf_level:0x%.8lx.\n", |
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printk("signature:0x%.8lx, command:0x%.8lx, event:0x%.8lx, perf_level:0x%.8lx.\n", |
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ist_info.signature, ist_info.command, ist_info.event, ist_info.perf_level); |
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ist_info.signature, ist_info.command, ist_info.event, ist_info.perf_level); |
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// dprintk(KERN_DEBUG PFX "signature:0x%.8lx, command:0x%.8lx, event:0x%.8lx, perf_level:0x%.8lx.\n", |
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// ist_info.signature, ist_info.command, ist_info.event, ist_info.perf_level); |
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/* Error if no IST-SMI BIOS or no PARM |
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/* Error if no IST-SMI BIOS or no PARM |
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sig= 'ISGE' aka 'Intel Speedstep Gate E' */ |
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sig= 'ISGE' aka 'Intel Speedstep Gate E' */ |
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printk("SPEEDSTEP_DEBUG: #2\n"); |
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if ((ist_info.signature != 0x47534943) && ( |
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if ((ist_info.signature != 0x47534943) && ( |
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(smi_port == 0) || (smi_cmd == 0))) |
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(smi_port == 0) || (smi_cmd == 0))) { |
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printk("SPEEDSTEP_DEBUG: #2a\n"); |
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return -ENODEV; |
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return -ENODEV; |
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} |
| 317 |
if (smi_sig == 1) |
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printk("SPEEDSTEP_DEBUG: #3\n"); |
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if (smi_sig == 1) { |
| 325 |
printk("SPEEDSTEP_DEBUG: #3a\n"); |
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smi_sig = 0x47534943; |
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smi_sig = 0x47534943; |
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else |
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} else { |
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printk("SPEEDSTEP_DEBUG: #3b\n"); |
| 320 |
smi_sig = ist_info.signature; |
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smi_sig = ist_info.signature; |
| 321 |
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} |
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printk("SPEEDSTEP_DEBUG: #4\n"); |
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/* setup smi_port from MODLULE_PARM or BIOS */ |
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/* setup smi_port from MODLULE_PARM or BIOS */ |
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if ((smi_port > 0xff) || (smi_port < 0)) { |
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if ((smi_port > 0xff) || (smi_port < 0)) { |
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printk("SPEEDSTEP_DEBUG: #4a\n"); |
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return -EINVAL; |
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return -EINVAL; |
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} else if (smi_port == 0) { |
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} else if (smi_port == 0) { |
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printk("SPEEDSTEP_DEBUG: #5b\n"); |
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smi_port = ist_info.command & 0xff; |
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smi_port = ist_info.command & 0xff; |
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} |
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} |
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printk("SPEEDSTEP_DEBUG: #6\n"); |
| 329 |
if ((smi_cmd > 0xff) || (smi_cmd < 0)) { |
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if ((smi_cmd > 0xff) || (smi_cmd < 0)) { |
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printk("SPEEDSTEP_DEBUG: #6a\n"); |
| 330 |
return -EINVAL; |
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return -EINVAL; |
| 331 |
} else if (smi_cmd == 0) { |
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} else if (smi_cmd == 0) { |
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printk("SPEEDSTEP_DEBUG: #6b\n"); |
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smi_cmd = (ist_info.command >> 16) & 0xff; |
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smi_cmd = (ist_info.command >> 16) & 0xff; |
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} |
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} |
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printk("SPEEDSTEP_DEBUG: #7\n"); |
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return cpufreq_register_driver(&speedstep_driver); |
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return cpufreq_register_driver(&speedstep_driver); |
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} |
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} |
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