diff options
author | Pablo Neira Ayuso <pablo@netfilter.org> | 2015-08-21 01:10:19 +0200 |
---|---|---|
committer | Pablo Neira Ayuso <pablo@netfilter.org> | 2015-08-21 06:09:05 +0200 |
commit | 81bf1c64e7fe08f956c74fe2b0f1fa6eb163bd91 (patch) | |
tree | 40370ca95f416fd88cb93e5c252623e282b3553e /drivers/net/wireless/ath/wil6210/pcie_bus.c | |
parent | 8cfd23e6740158817d2045915f6ea5a2daf11bce (diff) | |
parent | 938049e18dca57bcd2f93986fc1cbb5a83cdf027 (diff) |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next
Resolve conflicts with conntrack template fixes.
Conflicts:
net/netfilter/nf_conntrack_core.c
net/netfilter/nf_synproxy_core.c
net/netfilter/xt_CT.c
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Diffstat (limited to 'drivers/net/wireless/ath/wil6210/pcie_bus.c')
-rw-r--r-- | drivers/net/wireless/ath/wil6210/pcie_bus.c | 127 |
1 files changed, 81 insertions, 46 deletions
diff --git a/drivers/net/wireless/ath/wil6210/pcie_bus.c b/drivers/net/wireless/ath/wil6210/pcie_bus.c index aa3ecc607ca3..feff1ef10fb3 100644 --- a/drivers/net/wireless/ath/wil6210/pcie_bus.c +++ b/drivers/net/wireless/ath/wil6210/pcie_bus.c @@ -21,16 +21,14 @@ #include "wil6210.h" -static int use_msi = 1; -module_param(use_msi, int, S_IRUGO); -MODULE_PARM_DESC(use_msi, - " Use MSI interrupt: " - "0 - don't, 1 - (default) - single, or 3"); +static bool use_msi = true; +module_param(use_msi, bool, S_IRUGO); +MODULE_PARM_DESC(use_msi, " Use MSI interrupt, default - true"); static void wil_set_capabilities(struct wil6210_priv *wil) { - u32 rev_id = ioread32(wil->csr + HOSTADDR(RGF_USER_JTAG_DEV_ID)); + u32 rev_id = wil_r(wil, RGF_USER_JTAG_DEV_ID); bitmap_zero(wil->hw_capabilities, hw_capability_last); @@ -50,24 +48,12 @@ void wil_set_capabilities(struct wil6210_priv *wil) void wil_disable_irq(struct wil6210_priv *wil) { - int irq = wil->pdev->irq; - - disable_irq(irq); - if (wil->n_msi == 3) { - disable_irq(irq + 1); - disable_irq(irq + 2); - } + disable_irq(wil->pdev->irq); } void wil_enable_irq(struct wil6210_priv *wil) { - int irq = wil->pdev->irq; - - enable_irq(irq); - if (wil->n_msi == 3) { - enable_irq(irq + 1); - enable_irq(irq + 2); - } + enable_irq(wil->pdev->irq); } /* Bus ops */ @@ -80,6 +66,7 @@ static int wil_if_pcie_enable(struct wil6210_priv *wil) * and only MSI should be used */ int msi_only = pdev->msi_enabled; + bool _use_msi = use_msi; wil_dbg_misc(wil, "%s()\n", __func__); @@ -87,41 +74,20 @@ static int wil_if_pcie_enable(struct wil6210_priv *wil) pci_set_master(pdev); - /* - * how many MSI interrupts to request? - */ - switch (use_msi) { - case 3: - case 1: - wil_dbg_misc(wil, "Setup %d MSI interrupts\n", use_msi); - break; - case 0: - wil_dbg_misc(wil, "MSI interrupts disabled, use INTx\n"); - break; - default: - wil_err(wil, "Invalid use_msi=%d, default to 1\n", use_msi); - use_msi = 1; - } - - if (use_msi == 3 && pci_enable_msi_range(pdev, 3, 3) < 0) { - wil_err(wil, "3 MSI mode failed, try 1 MSI\n"); - use_msi = 1; - } + wil_dbg_misc(wil, "Setup %s interrupt\n", use_msi ? "MSI" : "INTx"); - if (use_msi == 1 && pci_enable_msi(pdev)) { + if (use_msi && pci_enable_msi(pdev)) { wil_err(wil, "pci_enable_msi failed, use INTx\n"); - use_msi = 0; + _use_msi = false; } - wil->n_msi = use_msi; - - if ((wil->n_msi == 0) && msi_only) { + if (!_use_msi && msi_only) { wil_err(wil, "Interrupt pin not routed, unable to use INTx\n"); rc = -ENODEV; goto stop_master; } - rc = wil6210_init_irq(wil, pdev->irq); + rc = wil6210_init_irq(wil, pdev->irq, _use_msi); if (rc) goto stop_master; @@ -293,11 +259,80 @@ static const struct pci_device_id wil6210_pcie_ids[] = { }; MODULE_DEVICE_TABLE(pci, wil6210_pcie_ids); +#ifdef CONFIG_PM + +static int wil6210_suspend(struct device *dev, bool is_runtime) +{ + int rc = 0; + struct pci_dev *pdev = to_pci_dev(dev); + struct wil6210_priv *wil = pci_get_drvdata(pdev); + + wil_dbg_pm(wil, "%s(%s)\n", __func__, + is_runtime ? "runtime" : "system"); + + rc = wil_can_suspend(wil, is_runtime); + if (rc) + goto out; + + rc = wil_suspend(wil, is_runtime); + if (rc) + goto out; + + /* TODO: how do I bring card in low power state? */ + + /* disable bus mastering */ + pci_clear_master(pdev); + /* PCI will call pci_save_state(pdev) and pci_prepare_to_sleep(pdev) */ + +out: + return rc; +} + +static int wil6210_resume(struct device *dev, bool is_runtime) +{ + int rc = 0; + struct pci_dev *pdev = to_pci_dev(dev); + struct wil6210_priv *wil = pci_get_drvdata(pdev); + + wil_dbg_pm(wil, "%s(%s)\n", __func__, + is_runtime ? "runtime" : "system"); + + /* allow master */ + pci_set_master(pdev); + + rc = wil_resume(wil, is_runtime); + if (rc) + pci_clear_master(pdev); + + return rc; +} + +#ifdef CONFIG_PM_SLEEP +static int wil6210_pm_suspend(struct device *dev) +{ + return wil6210_suspend(dev, false); +} + +static int wil6210_pm_resume(struct device *dev) +{ + return wil6210_resume(dev, false); +} +#endif /* CONFIG_PM_SLEEP */ + +#endif /* CONFIG_PM */ + +static const struct dev_pm_ops wil6210_pm_ops = { + SET_SYSTEM_SLEEP_PM_OPS(wil6210_pm_suspend, wil6210_pm_resume) +}; + static struct pci_driver wil6210_driver = { .probe = wil_pcie_probe, .remove = wil_pcie_remove, .id_table = wil6210_pcie_ids, .name = WIL_NAME, + .driver = { + .pm = &wil6210_pm_ops, + }, }; static int __init wil6210_driver_init(void) |