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qlcnic: fix caching window register

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o Window register is not per pci-func, so caching can
result in expected result.

Signed-off-by: Amit Kumar Salecha <amit.salecha@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Amit Kumar Salecha 2010-05-13 03:07:44 +00:00 committed by David S. Miller
parent deffab0530
commit 6edae7a484
3 changed files with 0 additions and 18 deletions
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3
drivers/net/qlcnic/qlcnic.h
View File

@ -399,9 +399,6 @@ struct qlcnic_hardware_context {
unsigned long pci_len0; unsigned long pci_len0;
u32 ocm_win;
u32 crb_win;
rwlock_t crb_lock; rwlock_t crb_lock;
struct mutex mem_lock; struct mutex mem_lock;

5
drivers/net/qlcnic/qlcnic_hw.c
View File

@ -776,9 +776,6 @@ qlcnic_pci_set_crbwindow_2M(struct qlcnic_adapter *adapter, ulong off)
window = CRB_HI(off); window = CRB_HI(off);
if (adapter->ahw.crb_win == window)
return;
writel(window, addr); writel(window, addr);
if (readl(addr) != window) { if (readl(addr) != window) {
if (printk_ratelimit()) if (printk_ratelimit())
@ -786,7 +783,6 @@ qlcnic_pci_set_crbwindow_2M(struct qlcnic_adapter *adapter, ulong off)
"failed to set CRB window to %d off 0x%lx\n", "failed to set CRB window to %d off 0x%lx\n",
window, off); window, off);
} }
adapter->ahw.crb_win = window;
} }
int int
@ -874,7 +870,6 @@ qlcnic_pci_set_window_2M(struct qlcnic_adapter *adapter,
/* read back to flush */ /* read back to flush */
readl(adapter->ahw.ocm_win_crb); readl(adapter->ahw.ocm_win_crb);
adapter->ahw.ocm_win = window;
*start = QLCNIC_PCI_OCM0_2M + GET_MEM_OFFS_2M(addr); *start = QLCNIC_PCI_OCM0_2M + GET_MEM_OFFS_2M(addr);
return 0; return 0;
} }

10
drivers/net/qlcnic/qlcnic_main.c
View File

@ -517,13 +517,6 @@ qlcnic_setup_pci_map(struct qlcnic_adapter *adapter)
struct pci_dev *pdev = adapter->pdev; struct pci_dev *pdev = adapter->pdev;
int pci_func = adapter->ahw.pci_func; int pci_func = adapter->ahw.pci_func;
/*
* Set the CRB window to invalid. If any register in window 0 is
* accessed it should set the window to 0 and then reset it to 1.
*/
adapter->ahw.crb_win = -1;
adapter->ahw.ocm_win = -1;
/* remap phys address */ /* remap phys address */
mem_base = pci_resource_start(pdev, 0); /* 0 is for BAR 0 */ mem_base = pci_resource_start(pdev, 0); /* 0 is for BAR 0 */
mem_len = pci_resource_len(pdev, 0); mem_len = pci_resource_len(pdev, 0);
@ -1311,9 +1304,6 @@ qlcnic_resume(struct pci_dev *pdev)
pci_set_master(pdev); pci_set_master(pdev);
pci_restore_state(pdev); pci_restore_state(pdev);
adapter->ahw.crb_win = -1;
adapter->ahw.ocm_win = -1;
err = qlcnic_start_firmware(adapter); err = qlcnic_start_firmware(adapter);
if (err) { if (err) {
dev_err(&pdev->dev, "failed to start firmware\n"); dev_err(&pdev->dev, "failed to start firmware\n");