diff options
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/acpi/apei/erst.c | 1 | ||||
-rw-r--r-- | drivers/block/pmem.c | 4 | ||||
-rw-r--r-- | drivers/cpufreq/intel_pstate.c | 1 | ||||
-rw-r--r-- | drivers/dma/mic_x100_dma.c | 1 | ||||
-rw-r--r-- | drivers/infiniband/hw/ipath/Kconfig | 3 | ||||
-rw-r--r-- | drivers/infiniband/hw/ipath/ipath_driver.c | 18 | ||||
-rw-r--r-- | drivers/infiniband/hw/ipath/ipath_kernel.h | 4 | ||||
-rw-r--r-- | drivers/infiniband/hw/ipath/ipath_wc_x86_64.c | 43 | ||||
-rw-r--r-- | drivers/iommu/intel_irq_remapping.c | 85 | ||||
-rw-r--r-- | drivers/iommu/irq_remapping.c | 11 | ||||
-rw-r--r-- | drivers/iommu/irq_remapping.h | 6 | ||||
-rw-r--r-- | drivers/media/pci/ivtv/Kconfig | 3 | ||||
-rw-r--r-- | drivers/media/pci/ivtv/ivtvfb.c | 58 | ||||
-rw-r--r-- | drivers/net/hyperv/netvsc.c | 1 | ||||
-rw-r--r-- | drivers/net/hyperv/rndis_filter.c | 1 | ||||
-rw-r--r-- | drivers/scsi/fnic/fnic_debugfs.c | 1 | ||||
-rw-r--r-- | drivers/scsi/fnic/fnic_trace.c | 1 | ||||
-rw-r--r-- | drivers/video/fbdev/amifb.c | 4 | ||||
-rw-r--r-- | drivers/video/fbdev/atafb.c | 3 | ||||
-rw-r--r-- | drivers/video/fbdev/hpfb.c | 4 |
20 files changed, 167 insertions, 86 deletions
diff --git a/drivers/acpi/apei/erst.c b/drivers/acpi/apei/erst.c index ed65e9c4b5b0..3670bbab57a3 100644 --- a/drivers/acpi/apei/erst.c +++ b/drivers/acpi/apei/erst.c @@ -35,6 +35,7 @@ #include <linux/nmi.h> #include <linux/hardirq.h> #include <linux/pstore.h> +#include <linux/vmalloc.h> #include <acpi/apei.h> #include "apei-internal.h" diff --git a/drivers/block/pmem.c b/drivers/block/pmem.c index eabf4a8d0085..095dfaadcaa5 100644 --- a/drivers/block/pmem.c +++ b/drivers/block/pmem.c @@ -139,11 +139,11 @@ static struct pmem_device *pmem_alloc(struct device *dev, struct resource *res) } /* - * Map the memory as non-cachable, as we can't write back the contents + * Map the memory as write-through, as we can't write back the contents * of the CPU caches in case of a crash. */ err = -ENOMEM; - pmem->virt_addr = ioremap_nocache(pmem->phys_addr, pmem->size); + pmem->virt_addr = ioremap_wt(pmem->phys_addr, pmem->size); if (!pmem->virt_addr) goto out_release_region; diff --git a/drivers/cpufreq/intel_pstate.c b/drivers/cpufreq/intel_pstate.c index 6414661ac1c4..2ba53f4f6af2 100644 --- a/drivers/cpufreq/intel_pstate.c +++ b/drivers/cpufreq/intel_pstate.c @@ -26,6 +26,7 @@ #include <linux/fs.h> #include <linux/debugfs.h> #include <linux/acpi.h> +#include <linux/vmalloc.h> #include <trace/events/power.h> #include <asm/div64.h> diff --git a/drivers/dma/mic_x100_dma.c b/drivers/dma/mic_x100_dma.c index 6de2e677be04..74d9db05a5ad 100644 --- a/drivers/dma/mic_x100_dma.c +++ b/drivers/dma/mic_x100_dma.c @@ -22,6 +22,7 @@ #include <linux/module.h> #include <linux/io.h> #include <linux/seq_file.h> +#include <linux/vmalloc.h> #include "mic_x100_dma.h" diff --git a/drivers/infiniband/hw/ipath/Kconfig b/drivers/infiniband/hw/ipath/Kconfig index 1d9bb115cbf6..8fe54ff00580 100644 --- a/drivers/infiniband/hw/ipath/Kconfig +++ b/drivers/infiniband/hw/ipath/Kconfig @@ -9,3 +9,6 @@ config INFINIBAND_IPATH as IP-over-InfiniBand as well as with userspace applications (in conjunction with InfiniBand userspace access). For QLogic PCIe QLE based cards, use the QIB driver instead. + + If you have this hardware you will need to boot with PAT disabled + on your x86-64 systems, use the nopat kernel parameter. diff --git a/drivers/infiniband/hw/ipath/ipath_driver.c b/drivers/infiniband/hw/ipath/ipath_driver.c index bd0caedafe99..2d7e503d13cb 100644 --- a/drivers/infiniband/hw/ipath/ipath_driver.c +++ b/drivers/infiniband/hw/ipath/ipath_driver.c @@ -42,6 +42,9 @@ #include <linux/bitmap.h> #include <linux/slab.h> #include <linux/module.h> +#ifdef CONFIG_X86_64 +#include <asm/pat.h> +#endif #include "ipath_kernel.h" #include "ipath_verbs.h" @@ -395,6 +398,14 @@ static int ipath_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) unsigned long long addr; u32 bar0 = 0, bar1 = 0; +#ifdef CONFIG_X86_64 + if (WARN(pat_enabled(), + "ipath needs PAT disabled, boot with nopat kernel parameter\n")) { + ret = -ENODEV; + goto bail; + } +#endif + dd = ipath_alloc_devdata(pdev); if (IS_ERR(dd)) { ret = PTR_ERR(dd); @@ -542,6 +553,7 @@ static int ipath_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) dd->ipath_kregbase = __ioremap(addr, len, (_PAGE_NO_CACHE|_PAGE_WRITETHRU)); #else + /* XXX: split this properly to enable on PAT */ dd->ipath_kregbase = ioremap_nocache(addr, len); #endif @@ -587,12 +599,8 @@ static int ipath_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) ret = ipath_enable_wc(dd); - if (ret) { - ipath_dev_err(dd, "Write combining not enabled " - "(err %d): performance may be poor\n", - -ret); + if (ret) ret = 0; - } ipath_verify_pioperf(dd); diff --git a/drivers/infiniband/hw/ipath/ipath_kernel.h b/drivers/infiniband/hw/ipath/ipath_kernel.h index e08db7020cd4..f0f947122779 100644 --- a/drivers/infiniband/hw/ipath/ipath_kernel.h +++ b/drivers/infiniband/hw/ipath/ipath_kernel.h @@ -463,9 +463,7 @@ struct ipath_devdata { /* offset in HT config space of slave/primary interface block */ u8 ipath_ht_slave_off; /* for write combining settings */ - unsigned long ipath_wc_cookie; - unsigned long ipath_wc_base; - unsigned long ipath_wc_len; + int wc_cookie; /* ref count for each pkey */ atomic_t ipath_pkeyrefs[4]; /* shadow copy of struct page *'s for exp tid pages */ diff --git a/drivers/infiniband/hw/ipath/ipath_wc_x86_64.c b/drivers/infiniband/hw/ipath/ipath_wc_x86_64.c index 4ad0b932df1f..7b6e4c843e19 100644 --- a/drivers/infiniband/hw/ipath/ipath_wc_x86_64.c +++ b/drivers/infiniband/hw/ipath/ipath_wc_x86_64.c @@ -37,7 +37,6 @@ */ #include <linux/pci.h> -#include <asm/mtrr.h> #include <asm/processor.h> #include "ipath_kernel.h" @@ -122,27 +121,14 @@ int ipath_enable_wc(struct ipath_devdata *dd) } if (!ret) { - int cookie; - ipath_cdbg(VERBOSE, "Setting mtrr for chip to WC " - "(addr %llx, len=0x%llx)\n", - (unsigned long long) pioaddr, - (unsigned long long) piolen); - cookie = mtrr_add(pioaddr, piolen, MTRR_TYPE_WRCOMB, 0); - if (cookie < 0) { - { - dev_info(&dd->pcidev->dev, - "mtrr_add() WC for PIO bufs " - "failed (%d)\n", - cookie); - ret = -EINVAL; - } - } else { - ipath_cdbg(VERBOSE, "Set mtrr for chip to WC, " - "cookie is %d\n", cookie); - dd->ipath_wc_cookie = cookie; - dd->ipath_wc_base = (unsigned long) pioaddr; - dd->ipath_wc_len = (unsigned long) piolen; - } + dd->wc_cookie = arch_phys_wc_add(pioaddr, piolen); + if (dd->wc_cookie < 0) { + ipath_dev_err(dd, "Seting mtrr failed on PIO buffers\n"); + ret = -ENODEV; + } else if (dd->wc_cookie == 0) + ipath_cdbg(VERBOSE, "Set mtrr for chip to WC not needed\n"); + else + ipath_cdbg(VERBOSE, "Set mtrr for chip to WC\n"); } return ret; @@ -154,16 +140,5 @@ int ipath_enable_wc(struct ipath_devdata *dd) */ void ipath_disable_wc(struct ipath_devdata *dd) { - if (dd->ipath_wc_cookie) { - int r; - ipath_cdbg(VERBOSE, "undoing WCCOMB on pio buffers\n"); - r = mtrr_del(dd->ipath_wc_cookie, dd->ipath_wc_base, - dd->ipath_wc_len); - if (r < 0) - dev_info(&dd->pcidev->dev, - "mtrr_del(%lx, %lx, %lx) failed: %d\n", - dd->ipath_wc_cookie, dd->ipath_wc_base, - dd->ipath_wc_len, r); - dd->ipath_wc_cookie = 0; /* even on failure */ - } + arch_phys_wc_del(dd->wc_cookie); } diff --git a/drivers/iommu/intel_irq_remapping.c b/drivers/iommu/intel_irq_remapping.c index 8fad71cc27e7..80f1d1486247 100644 --- a/drivers/iommu/intel_irq_remapping.c +++ b/drivers/iommu/intel_irq_remapping.c @@ -18,6 +18,11 @@ #include "irq_remapping.h" +enum irq_mode { + IRQ_REMAPPING, + IRQ_POSTING, +}; + struct ioapic_scope { struct intel_iommu *iommu; unsigned int id; @@ -37,6 +42,7 @@ struct irq_2_iommu { u16 irte_index; u16 sub_handle; u8 irte_mask; + enum irq_mode mode; }; struct intel_ir_data { @@ -104,6 +110,7 @@ static int alloc_irte(struct intel_iommu *iommu, int irq, irq_iommu->irte_index = index; irq_iommu->sub_handle = 0; irq_iommu->irte_mask = mask; + irq_iommu->mode = IRQ_REMAPPING; } raw_spin_unlock_irqrestore(&irq_2_ir_lock, flags); @@ -144,6 +151,9 @@ static int modify_irte(struct irq_2_iommu *irq_iommu, __iommu_flush_cache(iommu, irte, sizeof(*irte)); rc = qi_flush_iec(iommu, index, 0); + + /* Update iommu mode according to the IRTE mode */ + irq_iommu->mode = irte->pst ? IRQ_POSTING : IRQ_REMAPPING; raw_spin_unlock_irqrestore(&irq_2_ir_lock, flags); return rc; @@ -571,6 +581,26 @@ error: return -ENODEV; } +/* + * Set Posted-Interrupts capability. + */ +static inline void set_irq_posting_cap(void) +{ + struct dmar_drhd_unit *drhd; + struct intel_iommu *iommu; + + if (!disable_irq_post) { + intel_irq_remap_ops.capability |= 1 << IRQ_POSTING_CAP; + + for_each_iommu(iommu, drhd) + if (!cap_pi_support(iommu->cap)) { + intel_irq_remap_ops.capability &= + ~(1 << IRQ_POSTING_CAP); + break; + } + } +} + static int __init intel_enable_irq_remapping(void) { struct dmar_drhd_unit *drhd; @@ -646,6 +676,8 @@ static int __init intel_enable_irq_remapping(void) irq_remapping_enabled = 1; + set_irq_posting_cap(); + pr_info("Enabled IRQ remapping in %s mode\n", eim ? "x2apic" : "xapic"); return eim ? IRQ_REMAP_X2APIC_MODE : IRQ_REMAP_XAPIC_MODE; @@ -846,6 +878,12 @@ static void disable_irq_remapping(void) iommu_disable_irq_remapping(iommu); } + + /* + * Clear Posted-Interrupts capability. + */ + if (!disable_irq_post) + intel_irq_remap_ops.capability &= ~(1 << IRQ_POSTING_CAP); } static int reenable_irq_remapping(int eim) @@ -873,6 +911,8 @@ static int reenable_irq_remapping(int eim) if (!setup) goto error; + set_irq_posting_cap(); + return 0; error: @@ -993,7 +1033,10 @@ intel_ir_set_affinity(struct irq_data *data, const struct cpumask *mask, */ irte->vector = cfg->vector; irte->dest_id = IRTE_DEST(cfg->dest_apicid); - modify_irte(&ir_data->irq_2_iommu, irte); + + /* Update the hardware only if the interrupt is in remapped mode. */ + if (ir_data->irq_2_iommu.mode == IRQ_REMAPPING) + modify_irte(&ir_data->irq_2_iommu, irte); /* * After this point, all the interrupts will start arriving @@ -1013,10 +1056,47 @@ static void intel_ir_compose_msi_msg(struct irq_data *irq_data, *msg = ir_data->msi_entry; } +static int intel_ir_set_vcpu_affinity(struct irq_data *data, void *info) +{ + struct intel_ir_data *ir_data = data->chip_data; + struct vcpu_data *vcpu_pi_info = info; + + /* stop posting interrupts, back to remapping mode */ + if (!vcpu_pi_info) { + modify_irte(&ir_data->irq_2_iommu, &ir_data->irte_entry); + } else { + struct irte irte_pi; + + /* + * We are not caching the posted interrupt entry. We + * copy the data from the remapped entry and modify + * the fields which are relevant for posted mode. The + * cached remapped entry is used for switching back to + * remapped mode. + */ + memset(&irte_pi, 0, sizeof(irte_pi)); + dmar_copy_shared_irte(&irte_pi, &ir_data->irte_entry); + + /* Update the posted mode fields */ + irte_pi.p_pst = 1; + irte_pi.p_urgent = 0; + irte_pi.p_vector = vcpu_pi_info->vector; + irte_pi.pda_l = (vcpu_pi_info->pi_desc_addr >> + (32 - PDA_LOW_BIT)) & ~(-1UL << PDA_LOW_BIT); + irte_pi.pda_h = (vcpu_pi_info->pi_desc_addr >> 32) & + ~(-1UL << PDA_HIGH_BIT); + + modify_irte(&ir_data->irq_2_iommu, &irte_pi); + } + + return 0; +} + static struct irq_chip intel_ir_chip = { .irq_ack = ir_ack_apic_edge, .irq_set_affinity = intel_ir_set_affinity, .irq_compose_msi_msg = intel_ir_compose_msi_msg, + .irq_set_vcpu_affinity = intel_ir_set_vcpu_affinity, }; static void intel_irq_remapping_prepare_irte(struct intel_ir_data *data, @@ -1275,6 +1355,9 @@ int dmar_ir_hotplug(struct dmar_drhd_unit *dmaru, bool insert) return -EINVAL; if (!ecap_ir_support(iommu->ecap)) return 0; + if (irq_remapping_cap(IRQ_POSTING_CAP) && + !cap_pi_support(iommu->cap)) + return -EBUSY; if (insert) { if (!iommu->ir_table) diff --git a/drivers/iommu/irq_remapping.c b/drivers/iommu/irq_remapping.c index fc78b0d41f71..2d9993062ded 100644 --- a/drivers/iommu/irq_remapping.c +++ b/drivers/iommu/irq_remapping.c @@ -22,6 +22,8 @@ int irq_remap_broken; int disable_sourceid_checking; int no_x2apic_optout; +int disable_irq_post = 1; + static int disable_irq_remap; static struct irq_remap_ops *remap_ops; @@ -79,6 +81,15 @@ void set_irq_remapping_broken(void) irq_remap_broken = 1; } +bool irq_remapping_cap(enum irq_remap_cap cap) +{ + if (!remap_ops || disable_irq_post) + return 0; + + return (remap_ops->capability & (1 << cap)); +} +EXPORT_SYMBOL_GPL(irq_remapping_cap); + int __init irq_remapping_prepare(void) { if (disable_irq_remap) diff --git a/drivers/iommu/irq_remapping.h b/drivers/iommu/irq_remapping.h index 91d5a119956a..039c7af7b190 100644 --- a/drivers/iommu/irq_remapping.h +++ b/drivers/iommu/irq_remapping.h @@ -34,7 +34,12 @@ extern int disable_sourceid_checking; extern int no_x2apic_optout; extern int irq_remapping_enabled; +extern int disable_irq_post; + struct irq_remap_ops { + /* The supported capabilities */ + int capability; + /* Initializes hardware and makes it ready for remapping interrupts */ int (*prepare)(void); @@ -66,6 +71,7 @@ extern void ir_ack_apic_edge(struct irq_data *data); #define irq_remapping_enabled 0 #define irq_remap_broken 0 +#define disable_irq_post 1 #endif /* CONFIG_IRQ_REMAP */ diff --git a/drivers/media/pci/ivtv/Kconfig b/drivers/media/pci/ivtv/Kconfig index dd6ee57e3a4c..6e5867c57305 100644 --- a/drivers/media/pci/ivtv/Kconfig +++ b/drivers/media/pci/ivtv/Kconfig @@ -57,5 +57,8 @@ config VIDEO_FB_IVTV This is used in the Hauppauge PVR-350 card. There is a driver homepage at <http://www.ivtvdriver.org>. + In order to use this module, you will need to boot with PAT disabled + on x86 systems, using the nopat kernel parameter. + To compile this driver as a module, choose M here: the module will be called ivtvfb. diff --git a/drivers/media/pci/ivtv/ivtvfb.c b/drivers/media/pci/ivtv/ivtvfb.c index 9ff1230192e8..4cb365d4ffdc 100644 --- a/drivers/media/pci/ivtv/ivtvfb.c +++ b/drivers/media/pci/ivtv/ivtvfb.c @@ -44,8 +44,8 @@ #include <linux/ivtvfb.h> #include <linux/slab.h> -#ifdef CONFIG_MTRR -#include <asm/mtrr.h> +#ifdef CONFIG_X86_64 +#include <asm/pat.h> #endif #include "ivtv-driver.h" @@ -155,12 +155,11 @@ struct osd_info { /* Buffer size */ u32 video_buffer_size; -#ifdef CONFIG_MTRR /* video_base rounded down as required by hardware MTRRs */ unsigned long fb_start_aligned_physaddr; /* video_base rounded up as required by hardware MTRRs */ unsigned long fb_end_aligned_physaddr; -#endif + int wc_cookie; /* Store the buffer offset */ int set_osd_coords_x; @@ -1099,6 +1098,8 @@ static int ivtvfb_init_vidmode(struct ivtv *itv) static int ivtvfb_init_io(struct ivtv *itv) { struct osd_info *oi = itv->osd_info; + /* Find the largest power of two that maps the whole buffer */ + int size_shift = 31; mutex_lock(&itv->serialize_lock); if (ivtv_init_on_first_open(itv)) { @@ -1132,29 +1133,16 @@ static int ivtvfb_init_io(struct ivtv *itv) oi->video_pbase, oi->video_vbase, oi->video_buffer_size / 1024); -#ifdef CONFIG_MTRR - { - /* Find the largest power of two that maps the whole buffer */ - int size_shift = 31; - - while (!(oi->video_buffer_size & (1 << size_shift))) { - size_shift--; - } - size_shift++; - oi->fb_start_aligned_physaddr = oi->video_pbase & ~((1 << size_shift) - 1); - oi->fb_end_aligned_physaddr = oi->video_pbase + oi->video_buffer_size; - oi->fb_end_aligned_physaddr += (1 << size_shift) - 1; - oi->fb_end_aligned_physaddr &= ~((1 << size_shift) - 1); - if (mtrr_add(oi->fb_start_aligned_physaddr, - oi->fb_end_aligned_physaddr - oi->fb_start_aligned_physaddr, - MTRR_TYPE_WRCOMB, 1) < 0) { - IVTVFB_INFO("disabled mttr\n"); - oi->fb_start_aligned_physaddr = 0; - oi->fb_end_aligned_physaddr = 0; - } - } -#endif - + while (!(oi->video_buffer_size & (1 << size_shift))) + size_shift--; + size_shift++; + oi->fb_start_aligned_physaddr = oi->video_pbase & ~((1 << size_shift) - 1); + oi->fb_end_aligned_physaddr = oi->video_pbase + oi->video_buffer_size; + oi->fb_end_aligned_physaddr += (1 << size_shift) - 1; + oi->fb_end_aligned_physaddr &= ~((1 << size_shift) - 1); + oi->wc_cookie = arch_phys_wc_add(oi->fb_start_aligned_physaddr, + oi->fb_end_aligned_physaddr - + oi->fb_start_aligned_physaddr); /* Blank the entire osd. */ memset_io(oi->video_vbase, 0, oi->video_buffer_size); @@ -1172,14 +1160,7 @@ static void ivtvfb_release_buffers (struct ivtv *itv) /* Release pseudo palette */ kfree(oi->ivtvfb_info.pseudo_palette); - -#ifdef CONFIG_MTRR - if (oi->fb_end_aligned_physaddr) { - mtrr_del(-1, oi->fb_start_aligned_physaddr, - oi->fb_end_aligned_physaddr - oi->fb_start_aligned_physaddr); - } -#endif - + arch_phys_wc_del(oi->wc_cookie); kfree(oi); itv->osd_info = NULL; } @@ -1284,6 +1265,13 @@ static int __init ivtvfb_init(void) int registered = 0; int err; +#ifdef CONFIG_X86_64 + if (WARN(pat_enabled(), + "ivtvfb needs PAT disabled, boot with nopat kernel parameter\n")) { + return -ENODEV; + } +#endif + if (ivtvfb_card_id < -1 || ivtvfb_card_id >= IVTV_MAX_CARDS) { printk(KERN_ERR "ivtvfb: ivtvfb_card_id parameter is out of range (valid range: -1 - %d)\n", IVTV_MAX_CARDS - 1); diff --git a/drivers/net/hyperv/netvsc.c b/drivers/net/hyperv/netvsc.c index ea091bc5ff09..1e09243d5449 100644 --- a/drivers/net/hyperv/netvsc.c +++ b/drivers/net/hyperv/netvsc.c @@ -28,6 +28,7 @@ #include <linux/slab.h> #include <linux/netdevice.h> #include <linux/if_ether.h> +#include <linux/vmalloc.h> #include <asm/sync_bitops.h> #include "hyperv_net.h" diff --git a/drivers/net/hyperv/rndis_filter.c b/drivers/net/hyperv/rndis_filter.c index 9118cea91882..35a482d526d9 100644 --- a/drivers/net/hyperv/rndis_filter.c +++ b/drivers/net/hyperv/rndis_filter.c @@ -27,6 +27,7 @@ #include <linux/netdevice.h> #include <linux/if_vlan.h> #include <linux/nls.h> +#include <linux/vmalloc.h> #include "hyperv_net.h" diff --git a/drivers/scsi/fnic/fnic_debugfs.c b/drivers/scsi/fnic/fnic_debugfs.c index 5980c10c734d..d6498fabe628 100644 --- a/drivers/scsi/fnic/fnic_debugfs.c +++ b/drivers/scsi/fnic/fnic_debugfs.c @@ -18,6 +18,7 @@ #include <linux/module.h> #include <linux/errno.h> #include <linux/debugfs.h> +#include <linux/vmalloc.h> #include "fnic.h" static struct dentry *fnic_trace_debugfs_root; diff --git a/drivers/scsi/fnic/fnic_trace.c b/drivers/scsi/fnic/fnic_trace.c index 65a9bde26974..4e15c4bf0795 100644 --- a/drivers/scsi/fnic/fnic_trace.c +++ b/drivers/scsi/fnic/fnic_trace.c @@ -21,6 +21,7 @@ #include <linux/spinlock.h> #include <linux/kallsyms.h> #include <linux/time.h> +#include <linux/vmalloc.h> #include "fnic_io.h" #include "fnic.h" diff --git a/drivers/video/fbdev/amifb.c b/drivers/video/fbdev/amifb.c index 35f7900a0573..ee3a703acf23 100644 --- a/drivers/video/fbdev/amifb.c +++ b/drivers/video/fbdev/amifb.c @@ -3705,8 +3705,8 @@ default_chipset: * access the videomem with writethrough cache */ info->fix.smem_start = (u_long)ZTWO_PADDR(videomemory); - videomemory = (u_long)ioremap_writethrough(info->fix.smem_start, - info->fix.smem_len); + videomemory = (u_long)ioremap_wt(info->fix.smem_start, + info->fix.smem_len); if (!videomemory) { dev_warn(&pdev->dev, "Unable to map videomem cached writethrough\n"); diff --git a/drivers/video/fbdev/atafb.c b/drivers/video/fbdev/atafb.c index cb9ee2556850..d6ce613e12ad 100644 --- a/drivers/video/fbdev/atafb.c +++ b/drivers/video/fbdev/atafb.c @@ -3185,8 +3185,7 @@ int __init atafb_init(void) /* Map the video memory (physical address given) to somewhere * in the kernel address space. */ - external_screen_base = ioremap_writethrough(external_addr, - external_len); + external_screen_base = ioremap_wt(external_addr, external_len); if (external_vgaiobase) external_vgaiobase = (unsigned long)ioremap(external_vgaiobase, 0x10000); diff --git a/drivers/video/fbdev/hpfb.c b/drivers/video/fbdev/hpfb.c index a1b7e5fa9b09..9476d196f510 100644 --- a/drivers/video/fbdev/hpfb.c +++ b/drivers/video/fbdev/hpfb.c @@ -241,8 +241,8 @@ static int hpfb_init_one(unsigned long phys_base, unsigned long virt_base) fb_info.fix.line_length = fb_width; fb_height = (in_8(fb_regs + HPFB_FBHMSB) << 8) | in_8(fb_regs + HPFB_FBHLSB); fb_info.fix.smem_len = fb_width * fb_height; - fb_start = (unsigned long)ioremap_writethrough(fb_info.fix.smem_start, - fb_info.fix.smem_len); + fb_start = (unsigned long)ioremap_wt(fb_info.fix.smem_start, + fb_info.fix.smem_len); hpfb_defined.xres = (in_8(fb_regs + HPFB_DWMSB) << 8) | in_8(fb_regs + HPFB_DWLSB); hpfb_defined.yres = (in_8(fb_regs + HPFB_DHMSB) << 8) | in_8(fb_regs + HPFB_DHLSB); hpfb_defined.xres_virtual = hpfb_defined.xres; |