openkylin
/
linux
mirror of https://gitee.com/openkylin/linux.git
9
0
Fork 0
Code Issues Projects Releases Wiki Activity

[CPUFREQ] checkpatch cleanups for cpufreq-nforce2 

Signed-off-by: Dave Jones <davej@redhat.com>
This commit is contained in:
Dave Jones 2009-01-17 22:39:47 -05:00
parent fff78ad5ce
commit b5c9166662
1 changed files with 21 additions and 17 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

38
arch/x86/kernel/cpu/cpufreq/cpufreq-nforce2.c
View File

@ -32,7 +32,7 @@
* nforce2_chipset:
* FSB is changed using the chipset
*/
static struct pci_dev *nforce2_chipset_dev;
static struct pci_dev *nforce2_dev;
/* fid:
* multiplier * 10
@ -56,7 +56,8 @@ MODULE_PARM_DESC(fid, "CPU multiplier to use (11.5 = 115)");
MODULE_PARM_DESC(min_fsb,
"Minimum FSB to use, if not defined: current FSB - 50");
#define dprintk(msg...) cpufreq_debug_printk(CPUFREQ_DEBUG_DRIVER, "cpufreq-nforce2", msg)
#define dprintk(msg...) cpufreq_debug_printk(CPUFREQ_DEBUG_DRIVER, \
"cpufreq-nforce2", msg)
/**
* nforce2_calc_fsb - calculate FSB
@ -118,11 +119,11 @@ static void nforce2_write_pll(int pll)
int temp;
/* Set the pll addr. to 0x00 */
pci_write_config_dword(nforce2_chipset_dev, NFORCE2_PLLADR, 0);
pci_write_config_dword(nforce2_dev, NFORCE2_PLLADR, 0);
/* Now write the value in all 64 registers */
for (temp = 0; temp <= 0x3f; temp++)
pci_write_config_dword(nforce2_chipset_dev, NFORCE2_PLLREG, pll);
pci_write_config_dword(nforce2_dev, NFORCE2_PLLREG, pll);
return;
}
@ -139,8 +140,8 @@ static unsigned int nforce2_fsb_read(int bootfsb)
u32 fsb, temp = 0;
/* Get chipset boot FSB from subdevice 5 (FSB at boot-time) */
nforce2_sub5 = pci_get_subsys(PCI_VENDOR_ID_NVIDIA,
0x01EF, PCI_ANY_ID, PCI_ANY_ID, NULL);
nforce2_sub5 = pci_get_subsys(PCI_VENDOR_ID_NVIDIA, 0x01EF,
PCI_ANY_ID, PCI_ANY_ID, NULL);
if (!nforce2_sub5)
return 0;
@ -148,13 +149,13 @@ static unsigned int nforce2_fsb_read(int bootfsb)
fsb /= 1000000;
/* Check if PLL register is already set */
pci_read_config_byte(nforce2_chipset_dev, NFORCE2_PLLENABLE, (u8 *)&temp);
pci_read_config_byte(nforce2_dev, NFORCE2_PLLENABLE, (u8 *)&temp);
if (bootfsb || !temp)
return fsb;
/* Use PLL register FSB value */
pci_read_config_dword(nforce2_chipset_dev, NFORCE2_PLLREG, &temp);
pci_read_config_dword(nforce2_dev, NFORCE2_PLLREG, &temp);
fsb = nforce2_calc_fsb(temp);
return fsb;
@ -185,7 +186,7 @@ static int nforce2_set_fsb(unsigned int fsb)
}
/* First write? Then set actual value */
pci_read_config_byte(nforce2_chipset_dev, NFORCE2_PLLENABLE, (u8 *)&temp);
pci_read_config_byte(nforce2_dev, NFORCE2_PLLENABLE, (u8 *)&temp);
if (!temp) {
pll = nforce2_calc_pll(tfsb);
@ -197,7 +198,7 @@ static int nforce2_set_fsb(unsigned int fsb)
/* Enable write access */
temp = 0x01;
pci_write_config_byte(nforce2_chipset_dev, NFORCE2_PLLENABLE, (u8)temp);
pci_write_config_byte(nforce2_dev, NFORCE2_PLLENABLE, (u8)temp);
diff = tfsb - fsb;
@ -222,7 +223,7 @@ static int nforce2_set_fsb(unsigned int fsb)
}
temp = 0x40;
pci_write_config_byte(nforce2_chipset_dev, NFORCE2_PLLADR, (u8)temp);
pci_write_config_byte(nforce2_dev, NFORCE2_PLLADR, (u8)temp);
return 0;
}
@ -244,7 +245,8 @@ static unsigned int nforce2_get(unsigned int cpu)
* nforce2_target - set a new CPUFreq policy
* @policy: new policy
* @target_freq: the target frequency
* @relation: how that frequency relates to achieved frequency (CPUFREQ_RELATION_L or CPUFREQ_RELATION_H)
* @relation: how that frequency relates to achieved frequency
* (CPUFREQ_RELATION_L or CPUFREQ_RELATION_H)
*
* Sets a new CPUFreq policy.
*/
@ -328,7 +330,8 @@ static int nforce2_cpu_init(struct cpufreq_policy *policy)
if (!fid) {
if (!cpu_khz) {
printk(KERN_WARNING
"cpufreq: cpu_khz not set, can't calculate multiplier!\n");
"cpufreq: cpu_khz not set, "
"can't calculate multiplier!\n");
return -ENODEV;
}
@ -392,17 +395,18 @@ static struct cpufreq_driver nforce2_driver = {
*/
static unsigned int nforce2_detect_chipset(void)
{
nforce2_chipset_dev = pci_get_subsys(PCI_VENDOR_ID_NVIDIA,
nforce2_dev = pci_get_subsys(PCI_VENDOR_ID_NVIDIA,
PCI_DEVICE_ID_NVIDIA_NFORCE2,
PCI_ANY_ID, PCI_ANY_ID, NULL);
if (nforce2_chipset_dev == NULL)
if (nforce2_dev == NULL)
return -ENODEV;
printk(KERN_INFO "cpufreq: Detected nForce2 chipset revision %X\n",
nforce2_chipset_dev->revision);
nforce2_dev->revision);
printk(KERN_INFO
"cpufreq: FSB changing is maybe unstable and can lead to crashes and data loss.\n");
"cpufreq: FSB changing is maybe unstable and can lead to "
"crashes and data loss.\n");
return 0;
}