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>
diff --git a/arch/x86/pci/mmconfig_32.c b/arch/x86/pci/mmconfig_32.c
index 90d5fd47..a3d9c54 100644
--- a/arch/x86/pci/mmconfig_32.c
+++ b/arch/x86/pci/mmconfig_32.c
@@ -64,7 +64,7 @@
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 @@
*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 @@
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 @@
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;
}