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-rw-r--r--drivers/char/Kconfig2
-rw-r--r--drivers/char/agp/amd64-agp.c5
-rw-r--r--drivers/char/agp/backend.c13
-rw-r--r--drivers/char/agp/hp-agp.c6
-rw-r--r--drivers/char/agp/intel-agp.c6
-rw-r--r--drivers/char/hw_random/virtio-rng.c6
6 files changed, 25 insertions, 13 deletions
diff --git a/drivers/char/Kconfig b/drivers/char/Kconfig
index 31be3ac2e21b..e023682be2c4 100644
--- a/drivers/char/Kconfig
+++ b/drivers/char/Kconfig
@@ -669,7 +669,7 @@ config VIRTIO_CONSOLE
config HVCS
tristate "IBM Hypervisor Virtual Console Server support"
- depends on PPC_PSERIES
+ depends on PPC_PSERIES && HVC_CONSOLE
help
Partitionable IBM Power5 ppc64 machines allow hosting of
firmware virtual consoles from one Linux partition by
diff --git a/drivers/char/agp/amd64-agp.c b/drivers/char/agp/amd64-agp.c
index 5aa7a586a7ff..1afb8968a342 100644
--- a/drivers/char/agp/amd64-agp.c
+++ b/drivers/char/agp/amd64-agp.c
@@ -725,12 +725,11 @@ static struct pci_driver agp_amd64_pci_driver = {
int __init agp_amd64_init(void)
{
int err = 0;
- static int done = 0;
if (agp_off)
return -EINVAL;
- if (done++)
+ if (gart_iommu_aperture)
return agp_bridges_found ? 0 : -ENODEV;
err = pci_register_driver(&agp_amd64_pci_driver);
@@ -771,6 +770,8 @@ int __init agp_amd64_init(void)
static void __exit agp_amd64_cleanup(void)
{
+ if (gart_iommu_aperture)
+ return;
if (aperture_resource)
release_resource(aperture_resource);
pci_unregister_driver(&agp_amd64_pci_driver);
diff --git a/drivers/char/agp/backend.c b/drivers/char/agp/backend.c
index a56ca080e108..c3ab46da51a3 100644
--- a/drivers/char/agp/backend.c
+++ b/drivers/char/agp/backend.c
@@ -285,18 +285,22 @@ int agp_add_bridge(struct agp_bridge_data *bridge)
{
int error;
- if (agp_off)
- return -ENODEV;
+ if (agp_off) {
+ error = -ENODEV;
+ goto err_put_bridge;
+ }
if (!bridge->dev) {
printk (KERN_DEBUG PFX "Erk, registering with no pci_dev!\n");
- return -EINVAL;
+ error = -EINVAL;
+ goto err_put_bridge;
}
/* Grab reference on the chipset driver. */
if (!try_module_get(bridge->driver->owner)) {
dev_info(&bridge->dev->dev, "can't lock chipset driver\n");
- return -EINVAL;
+ error = -EINVAL;
+ goto err_put_bridge;
}
error = agp_backend_initialize(bridge);
@@ -326,6 +330,7 @@ frontend_err:
agp_backend_cleanup(bridge);
err_out:
module_put(bridge->driver->owner);
+err_put_bridge:
agp_put_bridge(bridge);
return error;
}
diff --git a/drivers/char/agp/hp-agp.c b/drivers/char/agp/hp-agp.c
index 9047b2714653..58752b70efea 100644
--- a/drivers/char/agp/hp-agp.c
+++ b/drivers/char/agp/hp-agp.c
@@ -488,9 +488,8 @@ zx1_gart_probe (acpi_handle obj, u32 depth, void *context, void **ret)
handle = obj;
do {
status = acpi_get_object_info(handle, &info);
- if (ACPI_SUCCESS(status)) {
+ if (ACPI_SUCCESS(status) && (info->valid & ACPI_VALID_HID)) {
/* TBD check _CID also */
- info->hardware_id.string[sizeof(info->hardware_id.length)-1] = '\0';
match = (strcmp(info->hardware_id.string, "HWP0001") == 0);
kfree(info);
if (match) {
@@ -509,6 +508,9 @@ zx1_gart_probe (acpi_handle obj, u32 depth, void *context, void **ret)
handle = parent;
} while (ACPI_SUCCESS(status));
+ if (ACPI_FAILURE(status))
+ return AE_OK; /* found no enclosing IOC */
+
if (hp_zx1_setup(sba_hpa + HP_ZX1_IOC_OFFSET, lba_hpa))
return AE_OK;
diff --git a/drivers/char/agp/intel-agp.c b/drivers/char/agp/intel-agp.c
index 30c36ac2cd00..3999a5f25f38 100644
--- a/drivers/char/agp/intel-agp.c
+++ b/drivers/char/agp/intel-agp.c
@@ -2460,10 +2460,14 @@ static int __devinit agp_intel_probe(struct pci_dev *pdev,
&bridge->mode);
}
- if (bridge->driver->mask_memory == intel_i965_mask_memory)
+ if (bridge->driver->mask_memory == intel_i965_mask_memory) {
if (pci_set_dma_mask(intel_private.pcidev, DMA_BIT_MASK(36)))
dev_err(&intel_private.pcidev->dev,
"set gfx device dma mask 36bit failed!\n");
+ else
+ pci_set_consistent_dma_mask(intel_private.pcidev,
+ DMA_BIT_MASK(36));
+ }
pci_set_drvdata(pdev, bridge);
return agp_add_bridge(bridge);
diff --git a/drivers/char/hw_random/virtio-rng.c b/drivers/char/hw_random/virtio-rng.c
index bdaef8e94021..64fe0a793efd 100644
--- a/drivers/char/hw_random/virtio-rng.c
+++ b/drivers/char/hw_random/virtio-rng.c
@@ -114,7 +114,7 @@ static struct virtio_device_id id_table[] = {
{ 0 },
};
-static struct virtio_driver virtio_rng = {
+static struct virtio_driver virtio_rng_driver = {
.driver.name = KBUILD_MODNAME,
.driver.owner = THIS_MODULE,
.id_table = id_table,
@@ -124,12 +124,12 @@ static struct virtio_driver virtio_rng = {
static int __init init(void)
{
- return register_virtio_driver(&virtio_rng);
+ return register_virtio_driver(&virtio_rng_driver);
}
static void __exit fini(void)
{
- unregister_virtio_driver(&virtio_rng);
+ unregister_virtio_driver(&virtio_rng_driver);
}
module_init(init);
module_exit(fini);