Messages in this thread Patch in this message | | | Date | Fri, 28 Apr 2006 16:59:42 +0200 | From | "Jan Beulich" <> | Subject | [PATCH] correct pciehp init recovery |
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Clean up the recovery path from errors during pcie_init().
Signed-off-by: Jan Beulich <jbeulich@novell.com>
diff -Npru /home/jbeulich/tmp/linux-2.6.17-rc3/drivers/pci/hotplug/pciehp_hpc.c 2.6.17-rc3-pciehp-init-recovery/drivers/pci/hotplug/pciehp_hpc.c --- /home/jbeulich/tmp/linux-2.6.17-rc3/drivers/pci/hotplug/pciehp_hpc.c 2006-04-27 17:49:41.000000000 +0200 +++ 2.6.17-rc3-pciehp-init-recovery/drivers/pci/hotplug/pciehp_hpc.c 2006-04-28 09:20:55.000000000 +0200 @@ -1474,7 +1474,7 @@ int pcie_init(struct controller * ctrl, rc = hp_register_read_word(pdev, SLOT_CTRL(ctrl->cap_base), temp_word); if (rc) { err("%s : hp_register_read_word SLOT_CTRL failed\n", __FUNCTION__); - goto abort_free_ctlr; + goto abort_free_irq; } intr_enable = intr_enable | PRSN_DETECT_ENABLE; @@ -1500,19 +1500,19 @@ int pcie_init(struct controller * ctrl, rc = hp_register_write_word(pdev, SLOT_CTRL(ctrl->cap_base), temp_word); if (rc) { err("%s : hp_register_write_word SLOT_CTRL failed\n", __FUNCTION__); - goto abort_free_ctlr; + goto abort_free_irq; } rc = hp_register_read_word(php_ctlr->pci_dev, SLOT_STATUS(ctrl->cap_base), slot_status); if (rc) { err("%s : hp_register_read_word SLOT_STATUS failed\n", __FUNCTION__); - goto abort_free_ctlr; + goto abort_disable_intr; } temp_word = 0x1F; /* Clear all events */ rc = hp_register_write_word(php_ctlr->pci_dev, SLOT_STATUS(ctrl->cap_base), temp_word); if (rc) { err("%s : hp_register_write_word SLOT_STATUS failed\n", __FUNCTION__); - goto abort_free_ctlr; + goto abort_disable_intr; } if (pciehp_force) { @@ -1521,7 +1521,7 @@ int pcie_init(struct controller * ctrl, } else { rc = pciehp_get_hp_hw_control_from_firmware(ctrl->pci_dev); if (rc) - goto abort_free_ctlr; + goto abort_disable_intr; } /* Add this HPC instance into the HPC list */ @@ -1548,6 +1548,18 @@ int pcie_init(struct controller * ctrl, return 0; /* We end up here for the many possible ways to fail this API. */ +abort_disable_intr: + rc = hp_register_read_word(pdev, SLOT_CTRL(ctrl->cap_base), temp_word); + if (!rc) { + temp_word &= ~(intr_enable | HP_INTR_ENABLE); + rc = hp_register_write_word(pdev, SLOT_CTRL(ctrl->cap_base), temp_word); + } + if (rc) + err("%s : disabling interrupts failed\n", __FUNCTION__); + +abort_free_irq: + free_irq(php_ctlr->irq, ctrl); + abort_free_ctlr: pcie_cap_base = saved_cap_base; kfree(php_ctlr);
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