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authorThomas Gleixner <tglx@linutronix.de>2010-02-17 14:35:25 +0000
committerJesse Barnes <jbarnes@virtuousgeek.org>2010-05-11 12:01:09 -0700
commitd19f61f098ae9315b76a97962007f687683916d4 (patch)
treecc8c1d72932ea9883b1ef2cd315a41a08e765a9c /arch/x86/pci/pcbios.c
parent511dd98ce8cf6dc4f8f2cb32a8af31ce9f4ba4a1 (diff)
downloadop-kernel-dev-d19f61f098ae9315b76a97962007f687683916d4.zip
op-kernel-dev-d19f61f098ae9315b76a97962007f687683916d4.tar.gz
x86/PCI: Convert pci_config_lock to raw_spinlock
pci_config_lock must be a real spinlock in preempt-rt. Convert it to raw_spinlock. No change for !RT kernels. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Diffstat (limited to 'arch/x86/pci/pcbios.c')
-rw-r--r--arch/x86/pci/pcbios.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/arch/x86/pci/pcbios.c b/arch/x86/pci/pcbios.c
index 59a225c..2492d16 100644
--- a/arch/x86/pci/pcbios.c
+++ b/arch/x86/pci/pcbios.c
@@ -162,7 +162,7 @@ static int pci_bios_read(unsigned int seg, unsigned int bus,
if (!value || (bus > 255) || (devfn > 255) || (reg > 255))
return -EINVAL;
- spin_lock_irqsave(&pci_config_lock, flags);
+ raw_spin_lock_irqsave(&pci_config_lock, flags);
switch (len) {
case 1:
@@ -213,7 +213,7 @@ static int pci_bios_read(unsigned int seg, unsigned int bus,
break;
}
- spin_unlock_irqrestore(&pci_config_lock, flags);
+ raw_spin_unlock_irqrestore(&pci_config_lock, flags);
return (int)((result & 0xff00) >> 8);
}
@@ -228,7 +228,7 @@ static int pci_bios_write(unsigned int seg, unsigned int bus,
if ((bus > 255) || (devfn > 255) || (reg > 255))
return -EINVAL;
- spin_lock_irqsave(&pci_config_lock, flags);
+ raw_spin_lock_irqsave(&pci_config_lock, flags);
switch (len) {
case 1:
@@ -269,7 +269,7 @@ static int pci_bios_write(unsigned int seg, unsigned int bus,
break;
}
- spin_unlock_irqrestore(&pci_config_lock, flags);
+ raw_spin_unlock_irqrestore(&pci_config_lock, flags);
return (int)((result & 0xff00) >> 8);
}
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