summaryrefslogtreecommitdiff
path: root/arch/x86/kernel/amd_nb.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/x86/kernel/amd_nb.c')
-rw-r--r--arch/x86/kernel/amd_nb.c24
1 files changed, 13 insertions, 11 deletions
diff --git a/arch/x86/kernel/amd_nb.c b/arch/x86/kernel/amd_nb.c
index 015328901896..3c1cb4595595 100644
--- a/arch/x86/kernel/amd_nb.c
+++ b/arch/x86/kernel/amd_nb.c
@@ -26,7 +26,7 @@ const struct pci_device_id amd_nb_misc_ids[] = {
{ PCI_DEVICE(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_16H_M30H_NB_F3) },
{}
};
-EXPORT_SYMBOL(amd_nb_misc_ids);
+EXPORT_SYMBOL_GPL(amd_nb_misc_ids);
static const struct pci_device_id amd_nb_link_ids[] = {
{ PCI_DEVICE(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_15H_NB_F4) },
@@ -50,19 +50,19 @@ u16 amd_nb_num(void)
{
return amd_northbridges.num;
}
-EXPORT_SYMBOL(amd_nb_num);
+EXPORT_SYMBOL_GPL(amd_nb_num);
bool amd_nb_has_feature(unsigned int feature)
{
return ((amd_northbridges.flags & feature) == feature);
}
-EXPORT_SYMBOL(amd_nb_has_feature);
+EXPORT_SYMBOL_GPL(amd_nb_has_feature);
struct amd_northbridge *node_to_amd_nb(int node)
{
return (node < amd_northbridges.num) ? &amd_northbridges.nb[node] : NULL;
}
-EXPORT_SYMBOL(node_to_amd_nb);
+EXPORT_SYMBOL_GPL(node_to_amd_nb);
static struct pci_dev *next_northbridge(struct pci_dev *dev,
const struct pci_device_id *ids)
@@ -91,7 +91,7 @@ int amd_cache_northbridges(void)
if (!i)
return -ENODEV;
- nb = kzalloc(i * sizeof(struct amd_northbridge), GFP_KERNEL);
+ nb = kcalloc(i, sizeof(struct amd_northbridge), GFP_KERNEL);
if (!nb)
return -ENOMEM;
@@ -156,13 +156,13 @@ struct resource *amd_get_mmconfig_range(struct resource *res)
{
u32 address;
u64 base, msr;
- unsigned segn_busn_bits;
+ unsigned int segn_busn_bits;
if (boot_cpu_data.x86_vendor != X86_VENDOR_AMD)
return NULL;
/* assume all cpus from fam10h have mmconfig */
- if (boot_cpu_data.x86 < 0x10)
+ if (boot_cpu_data.x86 < 0x10)
return NULL;
address = MSR_FAM10H_MMIO_CONF_BASE;
@@ -263,10 +263,12 @@ void amd_flush_garts(void)
if (!amd_nb_has_feature(AMD_NB_GART))
return;
- /* Avoid races between AGP and IOMMU. In theory it's not needed
- but I'm not sure if the hardware won't lose flush requests
- when another is pending. This whole thing is so expensive anyways
- that it doesn't matter to serialize more. -AK */
+ /*
+ * Avoid races between AGP and IOMMU. In theory it's not needed
+ * but I'm not sure if the hardware won't lose flush requests
+ * when another is pending. This whole thing is so expensive anyways
+ * that it doesn't matter to serialize more. -AK
+ */
spin_lock_irqsave(&gart_lock, flags);
flushed = 0;
for (i = 0; i < amd_northbridges.num; i++) {