From 886e14b65a8fcaedd72cf5f5c4c76e69de028a0f Mon Sep 17 00:00:00 2001 From: Larry Finger Date: Sat, 6 Aug 2011 05:55:18 -0500 Subject: rtlwifi: Eliminate raw reads and writes from PCIe portion The PCIe driver used raw reads and writes on the PCIe hardware. As all of these are only affecting the configuration space, all of then can be converted to pci_{read,write}_config_XX calls. Signed-off-by: Larry Finger Signed-off-by: John W. Linville --- drivers/net/wireless/rtlwifi/pci.c | 37 ++++++++++--------------------------- 1 file changed, 10 insertions(+), 27 deletions(-) (limited to 'drivers/net/wireless/rtlwifi/pci.c') diff --git a/drivers/net/wireless/rtlwifi/pci.c b/drivers/net/wireless/rtlwifi/pci.c index 56f12358389d..9983fa18065a 100644 --- a/drivers/net/wireless/rtlwifi/pci.c +++ b/drivers/net/wireless/rtlwifi/pci.c @@ -218,7 +218,6 @@ static void rtl_pci_disable_aspm(struct ieee80211_hw *hw) struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw)); struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw)); u8 pcibridge_vendor = pcipriv->ndis_adapter.pcibridge_vendor; - u32 pcicfg_addrport = pcipriv->ndis_adapter.pcicfg_addrport; u8 num4bytes = pcipriv->ndis_adapter.num4bytes; /*Retrieve original configuration settings. */ u8 linkctrl_reg = pcipriv->ndis_adapter.linkctrl_reg; @@ -254,9 +253,8 @@ static void rtl_pci_disable_aspm(struct ieee80211_hw *hw) udelay(50); /*4 Disable Pci Bridge ASPM */ - rtl_pci_raw_write_port_ulong(PCI_CONF_ADDRESS, - pcicfg_addrport + (num4bytes << 2)); - rtl_pci_raw_write_port_uchar(PCI_CONF_DATA, pcibridge_linkctrlreg); + pci_write_config_byte(rtlpci->pdev, (num4bytes << 2), + pcibridge_linkctrlreg); udelay(50); } @@ -277,7 +275,6 @@ static void rtl_pci_enable_aspm(struct ieee80211_hw *hw) u8 pcibridge_devnum = pcipriv->ndis_adapter.pcibridge_devnum; u8 pcibridge_funcnum = pcipriv->ndis_adapter.pcibridge_funcnum; u8 pcibridge_vendor = pcipriv->ndis_adapter.pcibridge_vendor; - u32 pcicfg_addrport = pcipriv->ndis_adapter.pcicfg_addrport; u8 num4bytes = pcipriv->ndis_adapter.num4bytes; u16 aspmlevel; u8 u_pcibridge_aspmsetting; @@ -293,8 +290,6 @@ static void rtl_pci_enable_aspm(struct ieee80211_hw *hw) } /*4 Enable Pci Bridge ASPM */ - rtl_pci_raw_write_port_ulong(PCI_CONF_ADDRESS, - pcicfg_addrport + (num4bytes << 2)); u_pcibridge_aspmsetting = pcipriv->ndis_adapter.pcibridge_linkctrlreg | @@ -303,7 +298,8 @@ static void rtl_pci_enable_aspm(struct ieee80211_hw *hw) if (pcibridge_vendor == PCI_BRIDGE_VENDOR_INTEL) u_pcibridge_aspmsetting &= ~BIT(0); - rtl_pci_raw_write_port_uchar(PCI_CONF_DATA, u_pcibridge_aspmsetting); + pci_write_config_byte(rtlpci->pdev, (num4bytes << 2), + u_pcibridge_aspmsetting); RT_TRACE(rtlpriv, COMP_INIT, DBG_LOUD, ("PlatformEnableASPM():PciBridge busnumber[%x], " @@ -335,25 +331,18 @@ static void rtl_pci_enable_aspm(struct ieee80211_hw *hw) static bool rtl_pci_get_amd_l1_patch(struct ieee80211_hw *hw) { - struct rtl_pci_priv *pcipriv = rtl_pcipriv(hw); - u32 pcicfg_addrport = pcipriv->ndis_adapter.pcicfg_addrport; + struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw)); bool status = false; u8 offset_e0; unsigned offset_e4; - rtl_pci_raw_write_port_ulong(PCI_CONF_ADDRESS, - pcicfg_addrport + 0xE0); - rtl_pci_raw_write_port_uchar(PCI_CONF_DATA, 0xA0); + pci_write_config_byte(rtlpci->pdev, 0xe0, 0xa0); - rtl_pci_raw_write_port_ulong(PCI_CONF_ADDRESS, - pcicfg_addrport + 0xE0); - rtl_pci_raw_read_port_uchar(PCI_CONF_DATA, &offset_e0); + pci_read_config_byte(rtlpci->pdev, 0xe0, &offset_e0); if (offset_e0 == 0xA0) { - rtl_pci_raw_write_port_ulong(PCI_CONF_ADDRESS, - pcicfg_addrport + 0xE4); - rtl_pci_raw_read_port_ulong(PCI_CONF_DATA, &offset_e4); + pci_read_config_dword(rtlpci->pdev, 0xe4, &offset_e4); if (offset_e4 & BIT(23)) status = true; } @@ -364,17 +353,15 @@ static bool rtl_pci_get_amd_l1_patch(struct ieee80211_hw *hw) static void rtl_pci_get_linkcontrol_field(struct ieee80211_hw *hw) { struct rtl_pci_priv *pcipriv = rtl_pcipriv(hw); + struct rtl_pci *rtlpci = rtl_pcidev(pcipriv); u8 capabilityoffset = pcipriv->ndis_adapter.pcibridge_pciehdr_offset; - u32 pcicfg_addrport = pcipriv->ndis_adapter.pcicfg_addrport; u8 linkctrl_reg; u8 num4bbytes; num4bbytes = (capabilityoffset + 0x10) / 4; /*Read Link Control Register */ - rtl_pci_raw_write_port_ulong(PCI_CONF_ADDRESS, - pcicfg_addrport + (num4bbytes << 2)); - rtl_pci_raw_read_port_uchar(PCI_CONF_DATA, &linkctrl_reg); + pci_read_config_byte(rtlpci->pdev, (num4bbytes << 2), &linkctrl_reg); pcipriv->ndis_adapter.pcibridge_linkctrlreg = linkctrl_reg; } @@ -1718,10 +1705,6 @@ static bool _rtl_pci_find_adapter(struct pci_dev *pdev, PCI_SLOT(bridge_pdev->devfn); pcipriv->ndis_adapter.pcibridge_funcnum = PCI_FUNC(bridge_pdev->devfn); - pcipriv->ndis_adapter.pcicfg_addrport = - (pcipriv->ndis_adapter.pcibridge_busnum << 16) | - (pcipriv->ndis_adapter.pcibridge_devnum << 11) | - (pcipriv->ndis_adapter.pcibridge_funcnum << 8) | (1 << 31); pcipriv->ndis_adapter.pcibridge_pciehdr_offset = pci_pcie_cap(bridge_pdev); pcipriv->ndis_adapter.num4bytes = -- cgit v1.2.3 From 603be3885b9d518ff4822b357e2687b6ff02f1ac Mon Sep 17 00:00:00 2001 From: Larry Finger Date: Tue, 11 Oct 2011 21:28:47 -0500 Subject: rtlwifi: Change PCI drivers to use the new PM framework Signed-off-by: Larry Finger Signed-off-by: John W. Linville --- drivers/net/wireless/rtlwifi/pci.c | 19 ++++--------------- 1 file changed, 4 insertions(+), 15 deletions(-) (limited to 'drivers/net/wireless/rtlwifi/pci.c') diff --git a/drivers/net/wireless/rtlwifi/pci.c b/drivers/net/wireless/rtlwifi/pci.c index 9983fa18065a..5380f3b040ac 100644 --- a/drivers/net/wireless/rtlwifi/pci.c +++ b/drivers/net/wireless/rtlwifi/pci.c @@ -1993,36 +1993,25 @@ call rtl_mac_stop() from the mac80211 suspend function first, So there is no need to call hw_disable here. ****************************************/ -int rtl_pci_suspend(struct pci_dev *pdev, pm_message_t state) +int rtl_pci_suspend(struct device *dev) { + struct pci_dev *pdev = to_pci_dev(dev); struct ieee80211_hw *hw = pci_get_drvdata(pdev); struct rtl_priv *rtlpriv = rtl_priv(hw); rtlpriv->cfg->ops->hw_suspend(hw); rtl_deinit_rfkill(hw); - pci_save_state(pdev); - pci_disable_device(pdev); - pci_set_power_state(pdev, PCI_D3hot); return 0; } EXPORT_SYMBOL(rtl_pci_suspend); -int rtl_pci_resume(struct pci_dev *pdev) +int rtl_pci_resume(struct device *dev) { - int ret; + struct pci_dev *pdev = to_pci_dev(dev); struct ieee80211_hw *hw = pci_get_drvdata(pdev); struct rtl_priv *rtlpriv = rtl_priv(hw); - pci_set_power_state(pdev, PCI_D0); - ret = pci_enable_device(pdev); - if (ret) { - RT_ASSERT(false, ("ERR: <======\n")); - return ret; - } - - pci_restore_state(pdev); - rtlpriv->cfg->ops->hw_resume(hw); rtl_init_rfkill(hw); return 0; -- cgit v1.2.3