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Merge master.kernel.org:/pub/scm/linux/kernel/git/davej/cpufreq

* master.kernel.org:/pub/scm/linux/kernel/git/davej/cpufreq:
  [CPUFREQ] longhaul compile fix.
  [CPUFREQ] Advise not to use longhaul on VIA C7.
  [CPUFREQ] set policy->curfreq on initialization
  [CPUFREQ] Trivial cleanup for acpi read/write port in acpi-cpufreq.c
  [CPUFREQ] fixes typo in cpufreq.c
Linus Torvalds 18 lat temu
rodzic
commit
e25db641c0

+ 8 - 25
arch/i386/kernel/cpu/cpufreq/acpi-cpufreq.c

@@ -126,27 +126,6 @@ static unsigned extract_freq(u32 val, struct acpi_cpufreq_data *data)
 	}
 }
 
-static void wrport(u16 port, u8 bit_width, u32 value)
-{
-	if (bit_width <= 8)
-		outb(value, port);
-	else if (bit_width <= 16)
-		outw(value, port);
-	else if (bit_width <= 32)
-		outl(value, port);
-}
-
-static void rdport(u16 port, u8 bit_width, u32 * ret)
-{
-	*ret = 0;
-	if (bit_width <= 8)
-		*ret = inb(port);
-	else if (bit_width <= 16)
-		*ret = inw(port);
-	else if (bit_width <= 32)
-		*ret = inl(port);
-}
-
 struct msr_addr {
 	u32 reg;
 };
@@ -177,7 +156,9 @@ static void do_drv_read(struct drv_cmd *cmd)
 		rdmsr(cmd->addr.msr.reg, cmd->val, h);
 		break;
 	case SYSTEM_IO_CAPABLE:
-		rdport(cmd->addr.io.port, cmd->addr.io.bit_width, &cmd->val);
+		acpi_os_read_port((acpi_io_address)cmd->addr.io.port,
+				&cmd->val,
+				(u32)cmd->addr.io.bit_width);
 		break;
 	default:
 		break;
@@ -193,7 +174,9 @@ static void do_drv_write(struct drv_cmd *cmd)
 		wrmsr(cmd->addr.msr.reg, cmd->val, h);
 		break;
 	case SYSTEM_IO_CAPABLE:
-		wrport(cmd->addr.io.port, cmd->addr.io.bit_width, cmd->val);
+		acpi_os_write_port((acpi_io_address)cmd->addr.io.port,
+				cmd->val,
+				(u32)cmd->addr.io.bit_width);
 		break;
 	default:
 		break;
@@ -699,14 +682,14 @@ static int acpi_cpufreq_cpu_init(struct cpufreq_policy *policy)
 	if (result)
 		goto err_freqfree;
 
-	switch (data->cpu_feature) {
+	switch (perf->control_register.space_id) {
 	case ACPI_ADR_SPACE_SYSTEM_IO:
 		/* Current speed is unknown and not detectable by IO port */
 		policy->cur = acpi_cpufreq_guess_freq(data, policy->cpu);
 		break;
 	case ACPI_ADR_SPACE_FIXED_HARDWARE:
 		acpi_cpufreq_driver.get = get_cur_freq_on_cpu;
-		get_cur_freq_on_cpu(cpu);
+		policy->cur = get_cur_freq_on_cpu(cpu);
 		break;
 	default:
 		break;

+ 3 - 1
arch/i386/kernel/cpu/cpufreq/longhaul.c

@@ -787,8 +787,10 @@ static int __init longhaul_init(void)
 	switch (c->x86_model) {
 	case 6 ... 9:
 		return cpufreq_register_driver(&longhaul_driver);
+	case 10:
+		printk(KERN_ERR PFX "Use acpi-cpufreq driver for VIA C7\n");
 	default:
-		printk (KERN_INFO PFX "Unknown VIA CPU. Contact davej@codemonkey.org.uk\n");
+		;;
 	}
 
 	return -ENODEV;

+ 1 - 1
drivers/cpufreq/cpufreq.c

@@ -959,7 +959,7 @@ static void cpufreq_out_of_sync(unsigned int cpu, unsigned int old_freq,
 
 
 /**
- * cpufreq_quick_get - get the CPU frequency (in kHz) frpm policy->cur
+ * cpufreq_quick_get - get the CPU frequency (in kHz) from policy->cur
  * @cpu: CPU number
  *
  * This is the last known freq, without actually getting it from the driver.