diff options
| author | dhananjay@netxen.com <dhananjay@netxen.com> | 2007-08-28 15:53:26 +0400 |
|---|---|---|
| committer | Jeff Garzik <jeff@garzik.org> | 2007-08-31 14:52:57 +0400 |
| commit | 3052246c815fe17ff3a9fcb5601c6688b523e5f5 (patch) | |
| tree | da12e588f1895009e3baabe330b9e907dffb5880 | |
| parent | b3e2d8874e8ba92bfefede645b8be2ec6c956933 (diff) | |
| download | linux-3052246c815fe17ff3a9fcb5601c6688b523e5f5.tar.xz | |
netxen: fix crashes during module unload
This patch fixes two problems during driver unload. The pci_disable_device()
call is before firmware reload, causing reads and writes across PCI bus after
disabling device. Second problem is the register window was wrong during
firmware reload
Signed-off by: Dhananjay Phadke <dhananjay@netxen.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
| -rw-r--r-- | drivers/net/netxen/netxen_nic_hdr.h | 6 | ||||
| -rw-r--r-- | drivers/net/netxen/netxen_nic_hw.c | 8 | ||||
| -rw-r--r-- | drivers/net/netxen/netxen_nic_main.c | 15 |
3 files changed, 15 insertions, 14 deletions
diff --git a/drivers/net/netxen/netxen_nic_hdr.h b/drivers/net/netxen/netxen_nic_hdr.h index 3276866b17e2..d72f8f8fcb50 100644 --- a/drivers/net/netxen/netxen_nic_hdr.h +++ b/drivers/net/netxen/netxen_nic_hdr.h @@ -649,9 +649,11 @@ enum { #define PCIX_INT_VECTOR (0x10100) #define PCIX_INT_MASK (0x10104) -#define PCIX_MN_WINDOW (0x10200) +#define PCIX_MN_WINDOW_F0 (0x10200) +#define PCIX_MN_WINDOW(_f) (PCIX_MN_WINDOW_F0 + (0x20 * (_f))) #define PCIX_MS_WINDOW (0x10204) -#define PCIX_SN_WINDOW (0x10208) +#define PCIX_SN_WINDOW_F0 (0x10208) +#define PCIX_SN_WINDOW(_f) (PCIX_SN_WINDOW_F0 + (0x20 * (_f))) #define PCIX_CRB_WINDOW (0x10210) #define PCIX_CRB_WINDOW_F0 (0x10210) #define PCIX_CRB_WINDOW_F1 (0x10230) diff --git a/drivers/net/netxen/netxen_nic_hw.c b/drivers/net/netxen/netxen_nic_hw.c index aac15421bd1e..a7b8d7f23259 100644 --- a/drivers/net/netxen/netxen_nic_hw.c +++ b/drivers/net/netxen/netxen_nic_hw.c @@ -904,11 +904,11 @@ netxen_nic_pci_set_window(struct netxen_adapter *adapter, ddr_mn_window = window; writel(window, PCI_OFFSET_SECOND_RANGE(adapter, NETXEN_PCIX_PH_REG - (PCIX_MN_WINDOW))); + (PCIX_MN_WINDOW(adapter->ahw.pci_func)))); /* MUST make sure window is set before we forge on... */ readl(PCI_OFFSET_SECOND_RANGE(adapter, NETXEN_PCIX_PH_REG - (PCIX_MN_WINDOW))); + (PCIX_MN_WINDOW(adapter->ahw.pci_func)))); } addr -= (window * NETXEN_WINDOW_ONE); addr += NETXEN_PCI_DDR_NET; @@ -929,11 +929,11 @@ netxen_nic_pci_set_window(struct netxen_adapter *adapter, writel((window << 22), PCI_OFFSET_SECOND_RANGE(adapter, NETXEN_PCIX_PH_REG - (PCIX_SN_WINDOW))); + (PCIX_SN_WINDOW(adapter->ahw.pci_func)))); /* MUST make sure window is set before we forge on... */ readl(PCI_OFFSET_SECOND_RANGE(adapter, NETXEN_PCIX_PH_REG - (PCIX_SN_WINDOW))); + (PCIX_SN_WINDOW(adapter->ahw.pci_func)))); } addr -= (window * 0x400000); addr += NETXEN_PCI_QDR_NET; diff --git a/drivers/net/netxen/netxen_nic_main.c b/drivers/net/netxen/netxen_nic_main.c index ab85fb709cc9..3122d0101638 100644 --- a/drivers/net/netxen/netxen_nic_main.c +++ b/drivers/net/netxen/netxen_nic_main.c @@ -746,9 +746,6 @@ static void __devexit netxen_nic_remove(struct pci_dev *pdev) netxen_nic_disable_int(adapter); - if (adapter->irq) - free_irq(adapter->irq, adapter); - if (adapter->is_up == NETXEN_ADAPTER_UP_MAGIC) { init_firmware_done++; netxen_free_hw_resources(adapter); @@ -772,13 +769,8 @@ static void __devexit netxen_nic_remove(struct pci_dev *pdev) } } - if (adapter->flags & NETXEN_NIC_MSI_ENABLED) - pci_disable_msi(pdev); - vfree(adapter->cmd_buf_arr); - pci_disable_device(pdev); - if (adapter->portnum == 0) { if (init_firmware_done) { i = 100; @@ -829,12 +821,19 @@ static void __devexit netxen_nic_remove(struct pci_dev *pdev) } } + if (adapter->irq) + free_irq(adapter->irq, adapter); + + if (adapter->flags & NETXEN_NIC_MSI_ENABLED) + pci_disable_msi(pdev); + iounmap(adapter->ahw.db_base); iounmap(adapter->ahw.pci_base0); iounmap(adapter->ahw.pci_base1); iounmap(adapter->ahw.pci_base2); pci_release_regions(pdev); + pci_disable_device(pdev); pci_set_drvdata(pdev, NULL); free_netdev(netdev); |