aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/pci
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/pci')
-rw-r--r--drivers/pci/intel-iommu.c6
-rw-r--r--drivers/pci/pci-acpi.c15
-rw-r--r--drivers/pci/pci-sysfs.c2
-rw-r--r--drivers/pci/pci.c6
-rw-r--r--drivers/pci/pcie/aspm.c29
-rw-r--r--drivers/pci/quirks.c53
-rw-r--r--drivers/pci/rom.c6
-rw-r--r--drivers/pci/slot.c1
8 files changed, 82 insertions, 36 deletions
diff --git a/drivers/pci/intel-iommu.c b/drivers/pci/intel-iommu.c
index a2692724b68f..5c8baa43ac9c 100644
--- a/drivers/pci/intel-iommu.c
+++ b/drivers/pci/intel-iommu.c
@@ -1655,12 +1655,14 @@ int __init init_dmars(void)
1655 iommu->flush.flush_context = __iommu_flush_context; 1655 iommu->flush.flush_context = __iommu_flush_context;
1656 iommu->flush.flush_iotlb = __iommu_flush_iotlb; 1656 iommu->flush.flush_iotlb = __iommu_flush_iotlb;
1657 printk(KERN_INFO "IOMMU 0x%Lx: using Register based " 1657 printk(KERN_INFO "IOMMU 0x%Lx: using Register based "
1658 "invalidation\n", drhd->reg_base_addr); 1658 "invalidation\n",
1659 (unsigned long long)drhd->reg_base_addr);
1659 } else { 1660 } else {
1660 iommu->flush.flush_context = qi_flush_context; 1661 iommu->flush.flush_context = qi_flush_context;
1661 iommu->flush.flush_iotlb = qi_flush_iotlb; 1662 iommu->flush.flush_iotlb = qi_flush_iotlb;
1662 printk(KERN_INFO "IOMMU 0x%Lx: using Queued " 1663 printk(KERN_INFO "IOMMU 0x%Lx: using Queued "
1663 "invalidation\n", drhd->reg_base_addr); 1664 "invalidation\n",
1665 (unsigned long long)drhd->reg_base_addr);
1664 } 1666 }
1665 } 1667 }
1666 1668
diff --git a/drivers/pci/pci-acpi.c b/drivers/pci/pci-acpi.c
index b3a63edb6901..ae5ec76dca77 100644
--- a/drivers/pci/pci-acpi.c
+++ b/drivers/pci/pci-acpi.c
@@ -63,7 +63,7 @@ static acpi_status acpi_run_osc(acpi_handle handle,
63 union acpi_object in_params[4]; 63 union acpi_object in_params[4];
64 struct acpi_buffer output = {ACPI_ALLOCATE_BUFFER, NULL}; 64 struct acpi_buffer output = {ACPI_ALLOCATE_BUFFER, NULL};
65 union acpi_object *out_obj; 65 union acpi_object *out_obj;
66 u32 osc_dw0, flags = osc_args->capbuf[OSC_QUERY_TYPE]; 66 u32 errors, flags = osc_args->capbuf[OSC_QUERY_TYPE];
67 67
68 /* Setting up input parameters */ 68 /* Setting up input parameters */
69 input.count = 4; 69 input.count = 4;
@@ -92,15 +92,16 @@ static acpi_status acpi_run_osc(acpi_handle handle,
92 status = AE_TYPE; 92 status = AE_TYPE;
93 goto out_kfree; 93 goto out_kfree;
94 } 94 }
95 osc_dw0 = *((u32 *)out_obj->buffer.pointer); 95 /* Need to ignore the bit0 in result code */
96 if (osc_dw0) { 96 errors = *((u32 *)out_obj->buffer.pointer) & ~(1 << 0);
97 if (osc_dw0 & OSC_REQUEST_ERROR) 97 if (errors) {
98 if (errors & OSC_REQUEST_ERROR)
98 printk(KERN_DEBUG "_OSC request fails\n"); 99 printk(KERN_DEBUG "_OSC request fails\n");
99 if (osc_dw0 & OSC_INVALID_UUID_ERROR) 100 if (errors & OSC_INVALID_UUID_ERROR)
100 printk(KERN_DEBUG "_OSC invalid UUID\n"); 101 printk(KERN_DEBUG "_OSC invalid UUID\n");
101 if (osc_dw0 & OSC_INVALID_REVISION_ERROR) 102 if (errors & OSC_INVALID_REVISION_ERROR)
102 printk(KERN_DEBUG "_OSC invalid revision\n"); 103 printk(KERN_DEBUG "_OSC invalid revision\n");
103 if (osc_dw0 & OSC_CAPABILITIES_MASK_ERROR) { 104 if (errors & OSC_CAPABILITIES_MASK_ERROR) {
104 if (flags & OSC_QUERY_ENABLE) 105 if (flags & OSC_QUERY_ENABLE)
105 goto out_success; 106 goto out_success;
106 printk(KERN_DEBUG "_OSC FW not grant req. control\n"); 107 printk(KERN_DEBUG "_OSC FW not grant req. control\n");
diff --git a/drivers/pci/pci-sysfs.c b/drivers/pci/pci-sysfs.c
index 110022d78689..5d72866897a8 100644
--- a/drivers/pci/pci-sysfs.c
+++ b/drivers/pci/pci-sysfs.c
@@ -575,7 +575,7 @@ static int pci_mmap_fits(struct pci_dev *pdev, int resno, struct vm_area_struct
575 575
576 nr = (vma->vm_end - vma->vm_start) >> PAGE_SHIFT; 576 nr = (vma->vm_end - vma->vm_start) >> PAGE_SHIFT;
577 start = vma->vm_pgoff; 577 start = vma->vm_pgoff;
578 size = pci_resource_len(pdev, resno) >> PAGE_SHIFT; 578 size = ((pci_resource_len(pdev, resno) - 1) >> PAGE_SHIFT) + 1;
579 if (start < size && size - start >= nr) 579 if (start < size && size - start >= nr)
580 return 1; 580 return 1;
581 WARN(1, "process \"%s\" tried to map 0x%08lx-0x%08lx on %s BAR %d (size 0x%08lx)\n", 581 WARN(1, "process \"%s\" tried to map 0x%08lx-0x%08lx on %s BAR %d (size 0x%08lx)\n",
diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c
index 21f2ac639cab..061d1ee0046a 100644
--- a/drivers/pci/pci.c
+++ b/drivers/pci/pci.c
@@ -1832,7 +1832,7 @@ int pci_reset_function(struct pci_dev *dev)
1832 if (!(cap & PCI_EXP_DEVCAP_FLR)) 1832 if (!(cap & PCI_EXP_DEVCAP_FLR))
1833 return -ENOTTY; 1833 return -ENOTTY;
1834 1834
1835 if (!dev->msi_enabled && !dev->msix_enabled) 1835 if (!dev->msi_enabled && !dev->msix_enabled && dev->irq != 0)
1836 disable_irq(dev->irq); 1836 disable_irq(dev->irq);
1837 pci_save_state(dev); 1837 pci_save_state(dev);
1838 1838
@@ -1841,7 +1841,7 @@ int pci_reset_function(struct pci_dev *dev)
1841 r = pci_execute_reset_function(dev); 1841 r = pci_execute_reset_function(dev);
1842 1842
1843 pci_restore_state(dev); 1843 pci_restore_state(dev);
1844 if (!dev->msi_enabled && !dev->msix_enabled) 1844 if (!dev->msi_enabled && !dev->msix_enabled && dev->irq != 0)
1845 enable_irq(dev->irq); 1845 enable_irq(dev->irq);
1846 1846
1847 return r; 1847 return r;
@@ -2042,7 +2042,7 @@ static int __devinit pci_init(void)
2042 return 0; 2042 return 0;
2043} 2043}
2044 2044
2045static int __devinit pci_setup(char *str) 2045static int __init pci_setup(char *str)
2046{ 2046{
2047 while (str) { 2047 while (str) {
2048 char *k = strchr(str, ','); 2048 char *k = strchr(str, ',');
diff --git a/drivers/pci/pcie/aspm.c b/drivers/pci/pcie/aspm.c
index 8f63f4c6b85f..9aad608bcf3f 100644
--- a/drivers/pci/pcie/aspm.c
+++ b/drivers/pci/pcie/aspm.c
@@ -16,6 +16,7 @@
16#include <linux/pm.h> 16#include <linux/pm.h>
17#include <linux/init.h> 17#include <linux/init.h>
18#include <linux/slab.h> 18#include <linux/slab.h>
19#include <linux/jiffies.h>
19#include <linux/pci-aspm.h> 20#include <linux/pci-aspm.h>
20#include "../pci.h" 21#include "../pci.h"
21 22
@@ -161,11 +162,12 @@ static void pcie_check_clock_pm(struct pci_dev *pdev)
161 */ 162 */
162static void pcie_aspm_configure_common_clock(struct pci_dev *pdev) 163static void pcie_aspm_configure_common_clock(struct pci_dev *pdev)
163{ 164{
164 int pos, child_pos; 165 int pos, child_pos, i = 0;
165 u16 reg16 = 0; 166 u16 reg16 = 0;
166 struct pci_dev *child_dev; 167 struct pci_dev *child_dev;
167 int same_clock = 1; 168 int same_clock = 1;
168 169 unsigned long start_jiffies;
170 u16 child_regs[8], parent_reg;
169 /* 171 /*
170 * all functions of a slot should have the same Slot Clock 172 * all functions of a slot should have the same Slot Clock
171 * Configuration, so just check one function 173 * Configuration, so just check one function
@@ -191,16 +193,19 @@ static void pcie_aspm_configure_common_clock(struct pci_dev *pdev)
191 child_pos = pci_find_capability(child_dev, PCI_CAP_ID_EXP); 193 child_pos = pci_find_capability(child_dev, PCI_CAP_ID_EXP);
192 pci_read_config_word(child_dev, child_pos + PCI_EXP_LNKCTL, 194 pci_read_config_word(child_dev, child_pos + PCI_EXP_LNKCTL,
193 &reg16); 195 &reg16);
196 child_regs[i] = reg16;
194 if (same_clock) 197 if (same_clock)
195 reg16 |= PCI_EXP_LNKCTL_CCC; 198 reg16 |= PCI_EXP_LNKCTL_CCC;
196 else 199 else
197 reg16 &= ~PCI_EXP_LNKCTL_CCC; 200 reg16 &= ~PCI_EXP_LNKCTL_CCC;
198 pci_write_config_word(child_dev, child_pos + PCI_EXP_LNKCTL, 201 pci_write_config_word(child_dev, child_pos + PCI_EXP_LNKCTL,
199 reg16); 202 reg16);
203 i++;
200 } 204 }
201 205
202 /* Configure upstream component */ 206 /* Configure upstream component */
203 pci_read_config_word(pdev, pos + PCI_EXP_LNKCTL, &reg16); 207 pci_read_config_word(pdev, pos + PCI_EXP_LNKCTL, &reg16);
208 parent_reg = reg16;
204 if (same_clock) 209 if (same_clock)
205 reg16 |= PCI_EXP_LNKCTL_CCC; 210 reg16 |= PCI_EXP_LNKCTL_CCC;
206 else 211 else
@@ -212,12 +217,30 @@ static void pcie_aspm_configure_common_clock(struct pci_dev *pdev)
212 pci_write_config_word(pdev, pos + PCI_EXP_LNKCTL, reg16); 217 pci_write_config_word(pdev, pos + PCI_EXP_LNKCTL, reg16);
213 218
214 /* Wait for link training end */ 219 /* Wait for link training end */
215 while (1) { 220 /* break out after waiting for 1 second */
221 start_jiffies = jiffies;
222 while ((jiffies - start_jiffies) < HZ) {
216 pci_read_config_word(pdev, pos + PCI_EXP_LNKSTA, &reg16); 223 pci_read_config_word(pdev, pos + PCI_EXP_LNKSTA, &reg16);
217 if (!(reg16 & PCI_EXP_LNKSTA_LT)) 224 if (!(reg16 & PCI_EXP_LNKSTA_LT))
218 break; 225 break;
219 cpu_relax(); 226 cpu_relax();
220 } 227 }
228 /* training failed -> recover */
229 if ((jiffies - start_jiffies) >= HZ) {
230 dev_printk (KERN_ERR, &pdev->dev, "ASPM: Could not configure"
231 " common clock\n");
232 i = 0;
233 list_for_each_entry(child_dev, &pdev->subordinate->devices,
234 bus_list) {
235 child_pos = pci_find_capability(child_dev,
236 PCI_CAP_ID_EXP);
237 pci_write_config_word(child_dev,
238 child_pos + PCI_EXP_LNKCTL,
239 child_regs[i]);
240 i++;
241 }
242 pci_write_config_word(pdev, pos + PCI_EXP_LNKCTL, parent_reg);
243 }
221} 244}
222 245
223/* 246/*
diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c
index bbf66ea8fd87..5f4f85f56cb7 100644
--- a/drivers/pci/quirks.c
+++ b/drivers/pci/quirks.c
@@ -22,6 +22,7 @@
22#include <linux/delay.h> 22#include <linux/delay.h>
23#include <linux/acpi.h> 23#include <linux/acpi.h>
24#include <linux/kallsyms.h> 24#include <linux/kallsyms.h>
25#include <linux/dmi.h>
25#include "pci.h" 26#include "pci.h"
26 27
27int isa_dma_bridge_buggy; 28int isa_dma_bridge_buggy;
@@ -1692,24 +1693,24 @@ static void __devinit quirk_brcm_570x_limit_vpd(struct pci_dev *dev)
1692 } 1693 }
1693} 1694}
1694 1695
1695DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_BROADCOM, 1696DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_BROADCOM,
1696 PCI_DEVICE_ID_NX2_5706, 1697 PCI_DEVICE_ID_NX2_5706,
1697 quirk_brcm_570x_limit_vpd); 1698 quirk_brcm_570x_limit_vpd);
1698DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_BROADCOM, 1699DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_BROADCOM,
1699 PCI_DEVICE_ID_NX2_5706S, 1700 PCI_DEVICE_ID_NX2_5706S,
1700 quirk_brcm_570x_limit_vpd); 1701 quirk_brcm_570x_limit_vpd);
1701DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_BROADCOM, 1702DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_BROADCOM,
1702 PCI_DEVICE_ID_NX2_5708, 1703 PCI_DEVICE_ID_NX2_5708,
1703 quirk_brcm_570x_limit_vpd); 1704 quirk_brcm_570x_limit_vpd);
1704DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_BROADCOM, 1705DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_BROADCOM,
1705 PCI_DEVICE_ID_NX2_5708S, 1706 PCI_DEVICE_ID_NX2_5708S,
1706 quirk_brcm_570x_limit_vpd); 1707 quirk_brcm_570x_limit_vpd);
1707DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_BROADCOM, 1708DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_BROADCOM,
1708 PCI_DEVICE_ID_NX2_5709, 1709 PCI_DEVICE_ID_NX2_5709,
1709 quirk_brcm_570x_limit_vpd); 1710 quirk_brcm_570x_limit_vpd);
1710DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_BROADCOM, 1711DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_BROADCOM,
1711 PCI_DEVICE_ID_NX2_5709S, 1712 PCI_DEVICE_ID_NX2_5709S,
1712 quirk_brcm_570x_limit_vpd); 1713 quirk_brcm_570x_limit_vpd);
1713 1714
1714#ifdef CONFIG_PCI_MSI 1715#ifdef CONFIG_PCI_MSI
1715/* Some chipsets do not support MSI. We cannot easily rely on setting 1716/* Some chipsets do not support MSI. We cannot easily rely on setting
@@ -1828,6 +1829,22 @@ DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_SERVERWORKS,
1828 PCI_DEVICE_ID_SERVERWORKS_HT1000_PXB, 1829 PCI_DEVICE_ID_SERVERWORKS_HT1000_PXB,
1829 ht_enable_msi_mapping); 1830 ht_enable_msi_mapping);
1830 1831
1832/* The P5N32-SLI Premium motherboard from Asus has a problem with msi
1833 * for the MCP55 NIC. It is not yet determined whether the msi problem
1834 * also affects other devices. As for now, turn off msi for this device.
1835 */
1836static void __devinit nvenet_msi_disable(struct pci_dev *dev)
1837{
1838 if (dmi_name_in_vendors("P5N32-SLI PREMIUM")) {
1839 dev_info(&dev->dev,
1840 "Disabling msi for MCP55 NIC on P5N32-SLI Premium\n");
1841 dev->no_msi = 1;
1842 }
1843}
1844DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_NVIDIA,
1845 PCI_DEVICE_ID_NVIDIA_NVENET_15,
1846 nvenet_msi_disable);
1847
1831static void __devinit nv_msi_ht_cap_quirk(struct pci_dev *dev) 1848static void __devinit nv_msi_ht_cap_quirk(struct pci_dev *dev)
1832{ 1849{
1833 struct pci_dev *host_bridge; 1850 struct pci_dev *host_bridge;
diff --git a/drivers/pci/rom.c b/drivers/pci/rom.c
index 1f5f6143f35c..132a78159b60 100644
--- a/drivers/pci/rom.c
+++ b/drivers/pci/rom.c
@@ -100,7 +100,8 @@ size_t pci_get_rom_size(void __iomem *rom, size_t size)
100 * pci_map_rom - map a PCI ROM to kernel space 100 * pci_map_rom - map a PCI ROM to kernel space
101 * @pdev: pointer to pci device struct 101 * @pdev: pointer to pci device struct
102 * @size: pointer to receive size of pci window over ROM 102 * @size: pointer to receive size of pci window over ROM
103 * @return: kernel virtual pointer to image of ROM 103 *
104 * Return: kernel virtual pointer to image of ROM
104 * 105 *
105 * Map a PCI ROM into kernel space. If ROM is boot video ROM, 106 * Map a PCI ROM into kernel space. If ROM is boot video ROM,
106 * the shadow BIOS copy will be returned instead of the 107 * the shadow BIOS copy will be returned instead of the
@@ -167,7 +168,8 @@ void __iomem *pci_map_rom(struct pci_dev *pdev, size_t *size)
167 * pci_map_rom_copy - map a PCI ROM to kernel space, create a copy 168 * pci_map_rom_copy - map a PCI ROM to kernel space, create a copy
168 * @pdev: pointer to pci device struct 169 * @pdev: pointer to pci device struct
169 * @size: pointer to receive size of pci window over ROM 170 * @size: pointer to receive size of pci window over ROM
170 * @return: kernel virtual pointer to image of ROM 171 *
172 * Return: kernel virtual pointer to image of ROM
171 * 173 *
172 * Map a PCI ROM into kernel space. If ROM is boot video ROM, 174 * Map a PCI ROM into kernel space. If ROM is boot video ROM,
173 * the shadow BIOS copy will be returned instead of the 175 * the shadow BIOS copy will be returned instead of the
diff --git a/drivers/pci/slot.c b/drivers/pci/slot.c
index 4dd1c3e157ae..5a8ccb4f604d 100644
--- a/drivers/pci/slot.c
+++ b/drivers/pci/slot.c
@@ -253,6 +253,7 @@ placeholder:
253 __func__, pci_domain_nr(parent), parent->number, slot_nr); 253 __func__, pci_domain_nr(parent), parent->number, slot_nr);
254 254
255out: 255out:
256 kfree(slot_name);
256 up_write(&pci_bus_sem); 257 up_write(&pci_bus_sem);
257 return slot; 258 return slot;
258err: 259err: