From 6edae7a4848ae5b363dcc7d8ee4f3f7a34e31e36 Mon Sep 17 00:00:00 2001 From: Amit Kumar Salecha Date: Thu, 13 May 2010 03:07:44 +0000 Subject: [PATCH] qlcnic: fix caching window register o Window register is not per pci-func, so caching can result in expected result. Signed-off-by: Amit Kumar Salecha Signed-off-by: David S. Miller --- drivers/net/qlcnic/qlcnic.h | 3 --- drivers/net/qlcnic/qlcnic_hw.c | 5 ----- drivers/net/qlcnic/qlcnic_main.c | 10 ---------- 3 files changed, 18 deletions(-) diff --git a/drivers/net/qlcnic/qlcnic.h b/drivers/net/qlcnic/qlcnic.h index 2fba9cd5946f..cfedcbdd8c75 100644 --- a/drivers/net/qlcnic/qlcnic.h +++ b/drivers/net/qlcnic/qlcnic.h @@ -399,9 +399,6 @@ struct qlcnic_hardware_context { unsigned long pci_len0; - u32 ocm_win; - u32 crb_win; - rwlock_t crb_lock; struct mutex mem_lock; diff --git a/drivers/net/qlcnic/qlcnic_hw.c b/drivers/net/qlcnic/qlcnic_hw.c index 7a72b8d06bcb..0c2e1f08f459 100644 --- a/drivers/net/qlcnic/qlcnic_hw.c +++ b/drivers/net/qlcnic/qlcnic_hw.c @@ -776,9 +776,6 @@ qlcnic_pci_set_crbwindow_2M(struct qlcnic_adapter *adapter, ulong off) window = CRB_HI(off); - if (adapter->ahw.crb_win == window) - return; - writel(window, addr); if (readl(addr) != window) { 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", window, off); } - adapter->ahw.crb_win = window; } int @@ -874,7 +870,6 @@ qlcnic_pci_set_window_2M(struct qlcnic_adapter *adapter, /* read back to flush */ readl(adapter->ahw.ocm_win_crb); - adapter->ahw.ocm_win = window; *start = QLCNIC_PCI_OCM0_2M + GET_MEM_OFFS_2M(addr); return 0; } diff --git a/drivers/net/qlcnic/qlcnic_main.c b/drivers/net/qlcnic/qlcnic_main.c index 3d90bb2fc7db..bd6730e53fd0 100644 --- a/drivers/net/qlcnic/qlcnic_main.c +++ b/drivers/net/qlcnic/qlcnic_main.c @@ -517,13 +517,6 @@ qlcnic_setup_pci_map(struct qlcnic_adapter *adapter) struct pci_dev *pdev = adapter->pdev; 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 */ mem_base = pci_resource_start(pdev, 0); /* 0 is for BAR 0 */ mem_len = pci_resource_len(pdev, 0); @@ -1311,9 +1304,6 @@ qlcnic_resume(struct pci_dev *pdev) pci_set_master(pdev); pci_restore_state(pdev); - adapter->ahw.crb_win = -1; - adapter->ahw.ocm_win = -1; - err = qlcnic_start_firmware(adapter); if (err) { dev_err(&pdev->dev, "failed to start firmware\n"); -- 2.39.5