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| author | Ingo Molnar <mingo@elte.hu> | 2008-06-12 11:27:22 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-06-12 11:27:22 +0200 |
| commit | bb6dfb32f90094fea647e1f27d994a8b6ddd2766 (patch) | |
| tree | e63681727543bcc3251bbc82b81a9cc822cc3f5e /arch/x86/kernel/pci-gart_64.c | |
| parent | x86: aperture_64.c: corner case wrong (diff) | |
| parent | MAINTAINERS: update PPPoE maintainer address (diff) | |
| download | linux-bb6dfb32f90094fea647e1f27d994a8b6ddd2766.tar.xz linux-bb6dfb32f90094fea647e1f27d994a8b6ddd2766.zip | |
Merge branch 'linus' into x86/gart
Diffstat (limited to 'arch/x86/kernel/pci-gart_64.c')
| -rw-r--r-- | arch/x86/kernel/pci-gart_64.c | 31 |
1 files changed, 30 insertions, 1 deletions
diff --git a/arch/x86/kernel/pci-gart_64.c b/arch/x86/kernel/pci-gart_64.c index 1f99b62ff616..3710097f02eb 100644 --- a/arch/x86/kernel/pci-gart_64.c +++ b/arch/x86/kernel/pci-gart_64.c @@ -26,6 +26,7 @@ #include <linux/kdebug.h> #include <linux/scatterlist.h> #include <linux/iommu-helper.h> +#include <linux/sysdev.h> #include <asm/atomic.h> #include <asm/io.h> #include <asm/mtrr.h> @@ -548,6 +549,28 @@ static __init unsigned read_aperture(struct pci_dev *dev, u32 *size) return aper_base; } +static int gart_resume(struct sys_device *dev) +{ + return 0; +} + +static int gart_suspend(struct sys_device *dev, pm_message_t state) +{ + return -EINVAL; +} + +static struct sysdev_class gart_sysdev_class = { + .name = "gart", + .suspend = gart_suspend, + .resume = gart_resume, + +}; + +static struct sys_device device_gart = { + .id = 0, + .cls = &gart_sysdev_class, +}; + /* * Private Northbridge GATT initialization in case we cannot use the * AGP driver for some reason. @@ -558,7 +581,7 @@ static __init int init_k8_gatt(struct agp_kern_info *info) unsigned aper_base, new_aper_base; struct pci_dev *dev; void *gatt; - int i; + int i, error; printk(KERN_INFO "PCI-DMA: Disabling AGP.\n"); aper_size = aper_base = info->aper_size = 0; @@ -595,6 +618,12 @@ static __init int init_k8_gatt(struct agp_kern_info *info) dev = k8_northbridges[i]; enable_gart_translation(dev, __pa(gatt)); } + + error = sysdev_class_register(&gart_sysdev_class); + if (!error) + error = sysdev_register(&device_gart); + if (error) + panic("Could not register gart_sysdev -- would corrupt data on next suspend"); flush_gart(); printk(KERN_INFO "PCI-DMA: aperture base @ %x size %u KB\n", |