diff options
| author | Thomas Gleixner <tglx@linutronix.de> | 2010-02-17 17:35:25 +0300 |
|---|---|---|
| committer | Jesse Barnes <jbarnes@virtuousgeek.org> | 2010-05-11 23:01:09 +0400 |
| commit | d19f61f098ae9315b76a97962007f687683916d4 (patch) | |
| tree | cc8c1d72932ea9883b1ef2cd315a41a08e765a9c /arch/x86/pci/pcbios.c | |
| parent | 511dd98ce8cf6dc4f8f2cb32a8af31ce9f4ba4a1 (diff) | |
| download | linux-d19f61f098ae9315b76a97962007f687683916d4.tar.xz | |
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.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/arch/x86/pci/pcbios.c b/arch/x86/pci/pcbios.c index 59a225c17b84..2492d165096a 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); } |