Merge branch 'for-linus' of git://git.o-hand.com/linux-rpurdie-backlight

[linux-2.6-omap-h63xx.git] / drivers / pci / pcie / aer / aerdrv_core.c

diff --git a/drivers/pci/pcie/aer/aerdrv_core.c b/drivers/pci/pcie/aer/aerdrv_core.c
index ee5e7b5176d0f5d0986fbcb04050e37ff8b324ee..dfc63d01f20a0a7c072f9a65039f2776537b3e8e 100644 (file)
--- a/drivers/pci/pcie/aer/aerdrv_core.c
+++ b/drivers/pci/pcie/aer/aerdrv_core.c
@@ -28,41 +28,15 @@
 static int forceload;
 module_param(forceload, bool, 0);
 
-#define PCI_CFG_SPACE_SIZE     (0x100)
-int pci_find_aer_capability(struct pci_dev *dev)
-{
-       int pos;
-       u32 reg32 = 0;
-
-       /* Check if it's a pci-express device */
-       pos = pci_find_capability(dev, PCI_CAP_ID_EXP);
-       if (!pos)
-               return 0;
-
-       /* Check if it supports pci-express AER */
-       pos = PCI_CFG_SPACE_SIZE;
-       while (pos) {
-               if (pci_read_config_dword(dev, pos, &reg32))
-                       return 0;
-
-               /* some broken boards return ~0 */
-               if (reg32 == 0xffffffff)
-                       return 0;
-
-               if (PCI_EXT_CAP_ID(reg32) == PCI_EXT_CAP_ID_ERR)
-                       break;
-
-               pos = reg32 >> 20;
-       }
-
-       return pos;
-}
-
 int pci_enable_pcie_error_reporting(struct pci_dev *dev)
 {
        u16 reg16 = 0;
        int pos;
 
+       pos = pci_find_ext_capability(dev, PCI_EXT_CAP_ID_ERR);
+       if (!pos)
+               return -EIO;
+
        pos = pci_find_capability(dev, PCI_CAP_ID_EXP);
        if (!pos)
                return -EIO;
@@ -102,7 +76,7 @@ int pci_cleanup_aer_uncorrect_error_status(struct pci_dev *dev)
        int pos;
        u32 status, mask;
 
-       pos = pci_find_aer_capability(dev);
+       pos = pci_find_ext_capability(dev, PCI_EXT_CAP_ID_ERR);
        if (!pos)
                return -EIO;
 
@@ -123,7 +97,7 @@ int pci_cleanup_aer_correct_error_status(struct pci_dev *dev)
        int pos;
        u32 status;
 
-       pos = pci_find_aer_capability(dev);
+       pos = pci_find_ext_capability(dev, PCI_EXT_CAP_ID_ERR);
        if (!pos)
                return -EIO;
 
@@ -502,7 +476,7 @@ static void handle_error_source(struct pcie_device * aerdev,
                 * Correctable error does not need software intevention.
                 * No need to go through error recovery process.
                 */
-               pos = pci_find_aer_capability(dev);
+               pos = pci_find_ext_capability(dev, PCI_EXT_CAP_ID_ERR);
                if (pos)
                        pci_write_config_dword(dev, pos + PCI_ERR_COR_STATUS,
                                        info.status);
@@ -542,7 +516,7 @@ void aer_enable_rootport(struct aer_rpc *rpc)
        reg16 &= ~(SYSTEM_ERROR_INTR_ON_MESG_MASK);
        pci_write_config_word(pdev, pos + PCI_EXP_RTCTL, reg16);
 
-       aer_pos = pci_find_aer_capability(pdev);
+       aer_pos = pci_find_ext_capability(pdev, PCI_EXT_CAP_ID_ERR);
        /* Clear error status */
        pci_read_config_dword(pdev, aer_pos + PCI_ERR_ROOT_STATUS, &reg32);
        pci_write_config_dword(pdev, aer_pos + PCI_ERR_ROOT_STATUS, reg32);
@@ -579,7 +553,7 @@ static void disable_root_aer(struct aer_rpc *rpc)
        u32 reg32;
        int pos;
 
-       pos = pci_find_aer_capability(pdev);
+       pos = pci_find_ext_capability(pdev, PCI_EXT_CAP_ID_ERR);
        /* Disable Root's interrupt in response to error messages */
        pci_write_config_dword(pdev, pos + PCI_ERR_ROOT_COMMAND, 0);
 
@@ -618,7 +592,7 @@ static int get_device_error_info(struct pci_dev *dev, struct aer_err_info *info)
 {
        int pos;
 
-       pos = pci_find_aer_capability(dev);
+       pos = pci_find_ext_capability(dev, PCI_EXT_CAP_ID_ERR);
 
        /* The device might not support AER */
        if (!pos)
@@ -755,7 +729,6 @@ int aer_init(struct pcie_device *dev)
        return AER_SUCCESS;
 }
 
-EXPORT_SYMBOL_GPL(pci_find_aer_capability);
 EXPORT_SYMBOL_GPL(pci_enable_pcie_error_reporting);
 EXPORT_SYMBOL_GPL(pci_disable_pcie_error_reporting);
 EXPORT_SYMBOL_GPL(pci_cleanup_aer_uncorrect_error_status);