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/mmconfig_32.c b/arch/x86/pci/mmconfig_32.c
index 90d5fd476ed4..a3d9c54792ae 100644
--- a/arch/x86/pci/mmconfig_32.c
+++ b/arch/x86/pci/mmconfig_32.c
@@ -64,7 +64,7 @@ err:		*value = -1;
         if (!base)
                 goto err;
 
-        spin_lock_irqsave(&pci_config_lock, flags);
+        raw_spin_lock_irqsave(&pci_config_lock, flags);
 
         pci_exp_set_dev_base(base, bus, devfn);
 
@@ -79,7 +79,7 @@ err:		*value = -1;
                 *value = mmio_config_readl(mmcfg_virt_addr + reg);
                 break;
         }
-        spin_unlock_irqrestore(&pci_config_lock, flags);
+        raw_spin_unlock_irqrestore(&pci_config_lock, flags);
 
         return 0;
 }
@@ -97,7 +97,7 @@ static int pci_mmcfg_write(unsigned int seg, unsigned int bus,
         if (!base)
                 return -EINVAL;
 
-        spin_lock_irqsave(&pci_config_lock, flags);
+        raw_spin_lock_irqsave(&pci_config_lock, flags);
 
         pci_exp_set_dev_base(base, bus, devfn);
 
@@ -112,7 +112,7 @@ static int pci_mmcfg_write(unsigned int seg, unsigned int bus,
                 mmio_config_writel(mmcfg_virt_addr + reg, value);
                 break;
         }
-        spin_unlock_irqrestore(&pci_config_lock, flags);
+        raw_spin_unlock_irqrestore(&pci_config_lock, flags);
 
         return 0;
 }