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>

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);
 }