forked from luck/tmp_suning_uos_patched
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci-2.6: ACPI/PCI: another multiple _OSC memory leak fix x86/PCI: X86_PAT & mprotect PCI: enable nv_msi_ht_cap_quirk for ALi bridges PCI: Make the intel-iommu_wait_op macro work when jiffies are not running ACPI/PCI: handle multiple _OSC ACPI/PCI: handle multiple _OSC x86/PCI: fix broken ISA DMA PCI ACPI: fix uninitialized variable in __pci_osc_support_set
This commit is contained in:
Linus Torvalds
commit
25c55d9720
@ -385,11 +385,13 @@ dma_alloc_coherent(struct device *dev, size_t size, dma_addr_t *dma_handle,
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if (dma_alloc_from_coherent_mem(dev, size, dma_handle, &memory))
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return memory;
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if (!dev)
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if (!dev) {
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dev = &fallback_dev;
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gfp |= GFP_DMA;
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}
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dma_mask = dev->coherent_dma_mask;
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if (dma_mask == 0)
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dma_mask = DMA_32BIT_MASK;
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dma_mask = (gfp & GFP_DMA) ? DMA_24BIT_MASK : DMA_32BIT_MASK;
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/* Device not DMA able */
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if (dev->dma_mask == NULL)
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@ -403,7 +405,7 @@ dma_alloc_coherent(struct device *dev, size_t size, dma_addr_t *dma_handle,
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larger than 16MB and in this case we have a chance of
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finding fitting memory in the next higher zone first. If
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not retry with true GFP_DMA. -AK */
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if (dma_mask <= DMA_32BIT_MASK)
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if (dma_mask <= DMA_32BIT_MASK && !(gfp & GFP_DMA))
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gfp |= GFP_DMA32;
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#endif
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@ -301,15 +301,13 @@ int pci_mmap_page_range(struct pci_dev *dev, struct vm_area_struct *vma,
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prot = pgprot_val(vma->vm_page_prot);
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if (pat_wc_enabled && write_combine)
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prot |= _PAGE_CACHE_WC;
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else if (pat_wc_enabled)
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else if (pat_wc_enabled || boot_cpu_data.x86 > 3)
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/*
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* ioremap() and ioremap_nocache() defaults to UC MINUS for now.
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* To avoid attribute conflicts, request UC MINUS here
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* aswell.
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*/
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prot |= _PAGE_CACHE_UC_MINUS;
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else if (boot_cpu_data.x86 > 3)
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prot |= _PAGE_CACHE_UC;
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vma->vm_page_prot = __pgprot(prot);
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@ -49,7 +49,7 @@
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#define DEFAULT_DOMAIN_ADDRESS_WIDTH 48
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#define DMAR_OPERATION_TIMEOUT (HZ*60) /* 1m */
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#define DMAR_OPERATION_TIMEOUT ((cycles_t) tsc_khz*10*1000) /* 10sec */
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#define DOMAIN_MAX_ADDR(gaw) ((((u64)1) << gaw) - 1)
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@ -490,12 +490,12 @@ static int iommu_alloc_root_entry(struct intel_iommu *iommu)
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#define IOMMU_WAIT_OP(iommu, offset, op, cond, sts) \
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{\
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unsigned long start_time = jiffies;\
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cycles_t start_time = get_cycles();\
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while (1) {\
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sts = op (iommu->reg + offset);\
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if (cond)\
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break;\
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if (time_after(jiffies, start_time + DMAR_OPERATION_TIMEOUT))\
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if (DMAR_OPERATION_TIMEOUT < (get_cycles() - start_time))\
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panic("DMAR hardware is malfunctioning\n");\
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cpu_relax();\
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}\
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@ -19,8 +19,31 @@
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#include <linux/pci-acpi.h>
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#include "pci.h"
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static u32 ctrlset_buf[3] = {0, 0, 0};
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static u32 global_ctrlsets = 0;
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struct acpi_osc_data {
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acpi_handle handle;
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u32 ctrlset_buf[3];
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u32 global_ctrlsets;
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struct list_head sibiling;
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};
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static LIST_HEAD(acpi_osc_data_list);
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static struct acpi_osc_data *acpi_get_osc_data(acpi_handle handle)
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{
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struct acpi_osc_data *data;
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list_for_each_entry(data, &acpi_osc_data_list, sibiling) {
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if (data->handle == handle)
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return data;
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}
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data = kzalloc(sizeof(*data), GFP_KERNEL);
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if (!data)
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return NULL;
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INIT_LIST_HEAD(&data->sibiling);
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data->handle = handle;
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list_add_tail(&data->sibiling, &acpi_osc_data_list);
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return data;
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}
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static u8 OSC_UUID[16] = {0x5B, 0x4D, 0xDB, 0x33, 0xF7, 0x1F, 0x1C, 0x40, 0x96, 0x57, 0x74, 0x41, 0xC0, 0x3D, 0xD7, 0x66};
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static acpi_status
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@ -37,7 +60,26 @@ acpi_query_osc (
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union acpi_object *out_obj;
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u32 osc_dw0;
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acpi_status *ret_status = (acpi_status *)retval;
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struct acpi_osc_data *osc_data;
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u32 flags = (unsigned long)context, temp;
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acpi_handle tmp;
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status = acpi_get_handle(handle, "_OSC", &tmp);
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if (ACPI_FAILURE(status))
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return status;
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osc_data = acpi_get_osc_data(handle);
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if (!osc_data) {
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printk(KERN_ERR "acpi osc data array is full\n");
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return AE_ERROR;
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}
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osc_data->ctrlset_buf[OSC_SUPPORT_TYPE] |= (flags & OSC_SUPPORT_MASKS);
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/* do _OSC query for all possible controls */
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temp = osc_data->ctrlset_buf[OSC_CONTROL_TYPE];
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osc_data->ctrlset_buf[OSC_QUERY_TYPE] = OSC_QUERY_ENABLE;
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osc_data->ctrlset_buf[OSC_CONTROL_TYPE] = OSC_CONTROL_MASKS;
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/* Setting up input parameters */
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input.count = 4;
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@ -51,13 +93,11 @@ acpi_query_osc (
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in_params[2].integer.value = 3;
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in_params[3].type = ACPI_TYPE_BUFFER;
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in_params[3].buffer.length = 12;
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in_params[3].buffer.pointer = (u8 *)context;
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in_params[3].buffer.pointer = (u8 *)osc_data->ctrlset_buf;
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status = acpi_evaluate_object(handle, "_OSC", &input, &output);
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if (ACPI_FAILURE (status)) {
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*ret_status = status;
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return status;
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}
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if (ACPI_FAILURE(status))
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goto out_nofree;
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out_obj = output.pointer;
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if (out_obj->type != ACPI_TYPE_BUFFER) {
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@ -76,7 +116,8 @@ acpi_query_osc (
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printk(KERN_DEBUG "_OSC invalid revision\n");
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if (osc_dw0 & OSC_CAPABILITIES_MASK_ERROR) {
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/* Update Global Control Set */
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global_ctrlsets = *((u32 *)(out_obj->buffer.pointer+8));
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osc_data->global_ctrlsets =
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*((u32 *)(out_obj->buffer.pointer + 8));
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status = AE_OK;
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goto query_osc_out;
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}
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@ -85,12 +126,21 @@ acpi_query_osc (
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}
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/* Update Global Control Set */
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global_ctrlsets = *((u32 *)(out_obj->buffer.pointer + 8));
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osc_data->global_ctrlsets = *((u32 *)(out_obj->buffer.pointer + 8));
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status = AE_OK;
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query_osc_out:
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kfree(output.pointer);
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out_nofree:
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*ret_status = status;
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osc_data->ctrlset_buf[OSC_QUERY_TYPE] = !OSC_QUERY_ENABLE;
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osc_data->ctrlset_buf[OSC_CONTROL_TYPE] = temp;
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if (ACPI_FAILURE(status)) {
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/* no osc support at all */
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osc_data->ctrlset_buf[OSC_SUPPORT_TYPE] = 0;
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}
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return status;
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}
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@ -165,28 +215,15 @@ acpi_run_osc (
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**/
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acpi_status __pci_osc_support_set(u32 flags, const char *hid)
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{
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u32 temp;
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acpi_status retval;
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acpi_status retval = AE_NOT_FOUND;
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if (!(flags & OSC_SUPPORT_MASKS)) {
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return AE_TYPE;
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}
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ctrlset_buf[OSC_SUPPORT_TYPE] |= (flags & OSC_SUPPORT_MASKS);
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/* do _OSC query for all possible controls */
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temp = ctrlset_buf[OSC_CONTROL_TYPE];
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ctrlset_buf[OSC_QUERY_TYPE] = OSC_QUERY_ENABLE;
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ctrlset_buf[OSC_CONTROL_TYPE] = OSC_CONTROL_MASKS;
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acpi_get_devices(hid,
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acpi_query_osc,
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ctrlset_buf,
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(void *)(unsigned long)flags,
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(void **) &retval );
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ctrlset_buf[OSC_QUERY_TYPE] = !OSC_QUERY_ENABLE;
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ctrlset_buf[OSC_CONTROL_TYPE] = temp;
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if (ACPI_FAILURE(retval)) {
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/* no osc support at all */
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ctrlset_buf[OSC_SUPPORT_TYPE] = 0;
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}
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return AE_OK;
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}
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@ -201,19 +238,31 @@ acpi_status pci_osc_control_set(acpi_handle handle, u32 flags)
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{
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acpi_status status;
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u32 ctrlset;
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acpi_handle tmp;
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struct acpi_osc_data *osc_data;
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status = acpi_get_handle(handle, "_OSC", &tmp);
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if (ACPI_FAILURE(status))
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return status;
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osc_data = acpi_get_osc_data(handle);
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if (!osc_data) {
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printk(KERN_ERR "acpi osc data array is full\n");
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return AE_ERROR;
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}
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ctrlset = (flags & OSC_CONTROL_MASKS);
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if (!ctrlset) {
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return AE_TYPE;
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}
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if (ctrlset_buf[OSC_SUPPORT_TYPE] &&
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((global_ctrlsets & ctrlset) != ctrlset)) {
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if (osc_data->ctrlset_buf[OSC_SUPPORT_TYPE] &&
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((osc_data->global_ctrlsets & ctrlset) != ctrlset)) {
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return AE_SUPPORT;
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}
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ctrlset_buf[OSC_CONTROL_TYPE] |= ctrlset;
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status = acpi_run_osc(handle, ctrlset_buf);
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osc_data->ctrlset_buf[OSC_CONTROL_TYPE] |= ctrlset;
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status = acpi_run_osc(handle, osc_data->ctrlset_buf);
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if (ACPI_FAILURE (status)) {
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ctrlset_buf[OSC_CONTROL_TYPE] &= ~ctrlset;
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osc_data->ctrlset_buf[OSC_CONTROL_TYPE] &= ~ctrlset;
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}
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return status;
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@ -1826,6 +1826,7 @@ static void __devinit nv_msi_ht_cap_quirk(struct pci_dev *dev)
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}
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}
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DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_NVIDIA, PCI_ANY_ID, nv_msi_ht_cap_quirk);
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DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_AL, PCI_ANY_ID, nv_msi_ht_cap_quirk);
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static void __devinit quirk_msi_intx_disable_bug(struct pci_dev *dev)
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{
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