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path: root/drivers/pci/pci.c
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Diffstat (limited to 'drivers/pci/pci.c')
-rw-r--r--drivers/pci/pci.c30
1 files changed, 27 insertions, 3 deletions
diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c
index 0bc27e059019..864e703cf737 100644
--- a/drivers/pci/pci.c
+++ b/drivers/pci/pci.c
@@ -1153,11 +1153,11 @@ pci_disable_device(struct pci_dev *dev)
1153 1153
1154/** 1154/**
1155 * pcibios_set_pcie_reset_state - set reset state for device dev 1155 * pcibios_set_pcie_reset_state - set reset state for device dev
1156 * @dev: the PCI-E device reset 1156 * @dev: the PCIe device reset
1157 * @state: Reset state to enter into 1157 * @state: Reset state to enter into
1158 * 1158 *
1159 * 1159 *
1160 * Sets the PCI-E reset state for the device. This is the default 1160 * Sets the PCIe reset state for the device. This is the default
1161 * implementation. Architecture implementations can override this. 1161 * implementation. Architecture implementations can override this.
1162 */ 1162 */
1163int __attribute__ ((weak)) pcibios_set_pcie_reset_state(struct pci_dev *dev, 1163int __attribute__ ((weak)) pcibios_set_pcie_reset_state(struct pci_dev *dev,
@@ -1168,7 +1168,7 @@ int __attribute__ ((weak)) pcibios_set_pcie_reset_state(struct pci_dev *dev,
1168 1168
1169/** 1169/**
1170 * pci_set_pcie_reset_state - set reset state for device dev 1170 * pci_set_pcie_reset_state - set reset state for device dev
1171 * @dev: the PCI-E device reset 1171 * @dev: the PCIe device reset
1172 * @state: Reset state to enter into 1172 * @state: Reset state to enter into
1173 * 1173 *
1174 * 1174 *
@@ -2284,6 +2284,21 @@ static int pci_parent_bus_reset(struct pci_dev *dev, int probe)
2284 return 0; 2284 return 0;
2285} 2285}
2286 2286
2287static int pci_dev_specific_reset(struct pci_dev *dev, int probe)
2288{
2289 struct pci_dev_reset_methods *i;
2290
2291 for (i = pci_dev_reset_methods; i->reset; i++) {
2292 if ((i->vendor == dev->vendor ||
2293 i->vendor == (u16)PCI_ANY_ID) &&
2294 (i->device == dev->device ||
2295 i->device == (u16)PCI_ANY_ID))
2296 return i->reset(dev, probe);
2297 }
2298
2299 return -ENOTTY;
2300}
2301
2287static int pci_dev_reset(struct pci_dev *dev, int probe) 2302static int pci_dev_reset(struct pci_dev *dev, int probe)
2288{ 2303{
2289 int rc; 2304 int rc;
@@ -2296,6 +2311,10 @@ static int pci_dev_reset(struct pci_dev *dev, int probe)
2296 down(&dev->dev.sem); 2311 down(&dev->dev.sem);
2297 } 2312 }
2298 2313
2314 rc = pci_dev_specific_reset(dev, probe);
2315 if (rc != -ENOTTY)
2316 goto done;
2317
2299 rc = pcie_flr(dev, probe); 2318 rc = pcie_flr(dev, probe);
2300 if (rc != -ENOTTY) 2319 if (rc != -ENOTTY)
2301 goto done; 2320 goto done;
@@ -2779,6 +2798,11 @@ int __attribute__ ((weak)) pci_ext_cfg_avail(struct pci_dev *dev)
2779 return 1; 2798 return 1;
2780} 2799}
2781 2800
2801void __weak pci_fixup_cardbus(struct pci_bus *bus)
2802{
2803}
2804EXPORT_SYMBOL(pci_fixup_cardbus);
2805
2782static int __init pci_setup(char *str) 2806static int __init pci_setup(char *str)
2783{ 2807{
2784 while (str) { 2808 while (str) {