[15/32,v3] USB: ohci: merge ohci_finish_controller_resume with ohci_resume

Message ID	1349701906-16481-16-git-send-email-florian@openwrt.org (mailing list archive)
State	New, archived
Headers	show Return-Path: <linux-omap-owner@vger.kernel.org> From: Florian Fainelli <florian@openwrt.org> To: stern@rowland.harvard.edu Cc: linux-usb@vger.kernel.org, Florian Fainelli <florian@openwrt.org>, Greg Kroah-Hartman <gregkh@linuxfoundation.org>, Lennert Buytenhek <kernel@wantstofly.org>, Felipe Balbi <balbi@ti.com>, Ben Dooks <ben-linux@fluff.org>, Kukjin Kim <kgene.kim@samsung.com>, linux-kernel@vger.kernel.org, linux-omap@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org Subject: [PATCH 15/32 v3] USB: ohci: merge ohci_finish_controller_resume with ohci_resume Date: Mon, 8 Oct 2012 15:11:29 +0200 Message-Id: <1349701906-16481-16-git-send-email-florian@openwrt.org> In-Reply-To: <1349701906-16481-1-git-send-email-florian@openwrt.org> References: <1349701906-16481-1-git-send-email-florian@openwrt.org> Sender: linux-omap-owner@vger.kernel.org Precedence: bulk

diff --git a/drivers/usb/host/ohci-at91.c b/drivers/usb/host/ohci-at91.c index 0bf72f9..908d84a 100644 --- a/drivers/usb/host/ohci-at91.c +++ b/drivers/usb/host/ohci-at91.c @@ -705,7 +705,7 @@ static int ohci_hcd_at91_drv_resume(struct platform_device *pdev) if (!clocked) at91_start_clock(); - ohci_finish_controller_resume(hcd); + ohci_resume(hcd, false); return 0; } #else diff --git a/drivers/usb/host/ohci-ep93xx.c b/drivers/usb/host/ohci-ep93xx.c index dbfbd1d..a982f04 100644 --- a/drivers/usb/host/ohci-ep93xx.c +++ b/drivers/usb/host/ohci-ep93xx.c @@ -194,7 +194,7 @@ static int ohci_hcd_ep93xx_drv_resume(struct platform_device *pdev) ep93xx_start_hc(&pdev->dev); - ohci_finish_controller_resume(hcd); + ohci_resume(hcd, false); return 0; } #endif diff --git a/drivers/usb/host/ohci-exynos.c b/drivers/usb/host/ohci-exynos.c index 20a5008..929a494 100644 --- a/drivers/usb/host/ohci-exynos.c +++ b/drivers/usb/host/ohci-exynos.c @@ -252,10 +252,7 @@ static int exynos_ohci_resume(struct device *dev) if (pdata && pdata->phy_init) pdata->phy_init(pdev, S5P_USB_PHY_HOST); - /* Mark hardware accessible again as we are out of D3 state by now */ - set_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags); - - ohci_finish_controller_resume(hcd); + ohci_resume(hcd, false); return 0; } diff --git a/drivers/usb/host/ohci-hcd.c b/drivers/usb/host/ohci-hcd.c index 31a4616..8e17f17 100644 --- a/drivers/usb/host/ohci-hcd.c +++ b/drivers/usb/host/ohci-hcd.c @@ -1007,13 +1007,50 @@ static int __maybe_unused ohci_suspend(struct usb_hcd *hcd, bool do_wakeup) static int __maybe_unused ohci_resume(struct usb_hcd *hcd, bool hibernated) { + struct ohci_hcd *ohci = hcd_to_ohci(hcd); + int port; + bool need_reinit = false; + set_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags); /* Make sure resume from hibernation re-enumerates everything */ if (hibernated) - ohci_usb_reset(hcd_to_ohci(hcd)); + ohci_usb_reset(ohci); + + /* See if the controller is already running or has been reset */ + ohci->hc_control = ohci_readl(ohci, &ohci->regs->control); + if (ohci->hc_control & (OHCI_CTRL_IR | OHCI_SCHED_ENABLES)) { + need_reinit = true; + } else { + switch (ohci->hc_control & OHCI_CTRL_HCFS) { + case OHCI_USB_OPER: + case OHCI_USB_RESET: + need_reinit = true; + } + } + + /* If needed, reinitialize and suspend the root hub */ + if (need_reinit) { + spin_lock_irq(&ohci->lock); + ohci_rh_resume(ohci); + ohci_rh_suspend(ohci, 0); + spin_unlock_irq(&ohci->lock); + } + + /* Normally just turn on port power and enable interrupts */ + else { + ohci_dbg(ohci, "powerup ports\n"); + for (port = 0; port < ohci->num_ports; port++) + ohci_writel(ohci, RH_PS_PPS, + &ohci->regs->roothub.portstatus[port]); + + ohci_writel(ohci, OHCI_INTR_MIE, &ohci->regs->intrenable); + ohci_readl(ohci, &ohci->regs->intrenable); + msleep(20); + } + + usb_hcd_resume_root_hub(hcd); - ohci_finish_controller_resume(hcd); return 0; } diff --git a/drivers/usb/host/ohci-hub.c b/drivers/usb/host/ohci-hub.c index 2f3619e..db09dae 100644 --- a/drivers/usb/host/ohci-hub.c +++ b/drivers/usb/host/ohci-hub.c @@ -316,48 +316,6 @@ static int ohci_bus_resume (struct usb_hcd *hcd) return rc; } -/* Carry out the final steps of resuming the controller device */ -static void __maybe_unused ohci_finish_controller_resume(struct usb_hcd *hcd) -{ - struct ohci_hcd *ohci = hcd_to_ohci(hcd); - int port; - bool need_reinit = false; - - /* See if the controller is already running or has been reset */ - ohci->hc_control = ohci_readl(ohci, &ohci->regs->control); - if (ohci->hc_control & (OHCI_CTRL_IR | OHCI_SCHED_ENABLES)) { - need_reinit = true; - } else { - switch (ohci->hc_control & OHCI_CTRL_HCFS) { - case OHCI_USB_OPER: - case OHCI_USB_RESET: - need_reinit = true; - } - } - - /* If needed, reinitialize and suspend the root hub */ - if (need_reinit) { - spin_lock_irq(&ohci->lock); - ohci_rh_resume(ohci); - ohci_rh_suspend(ohci, 0); - spin_unlock_irq(&ohci->lock); - } - - /* Normally just turn on port power and enable interrupts */ - else { - ohci_dbg(ohci, "powerup ports\n"); - for (port = 0; port < ohci->num_ports; port++) - ohci_writel(ohci, RH_PS_PPS, - &ohci->regs->roothub.portstatus[port]); - - ohci_writel(ohci, OHCI_INTR_MIE, &ohci->regs->intrenable); - ohci_readl(ohci, &ohci->regs->intrenable); - msleep(20); - } - - usb_hcd_resume_root_hub(hcd); -} - /* Carry out polling-, autostop-, and autoresume-related state changes */ static int ohci_root_hub_state_changes(struct ohci_hcd *ohci, int changed, int any_connected, int rhsc_status) diff --git a/drivers/usb/host/ohci-omap.c b/drivers/usb/host/ohci-omap.c index 4531d03..733c77c 100644 --- a/drivers/usb/host/ohci-omap.c +++ b/drivers/usb/host/ohci-omap.c @@ -530,7 +530,7 @@ static int ohci_omap_resume(struct platform_device *dev) ohci->next_statechange = jiffies; omap_ohci_clock_power(1); - ohci_finish_controller_resume(hcd); + ohci_resume(hcd, false); return 0; } diff --git a/drivers/usb/host/ohci-platform.c b/drivers/usb/host/ohci-platform.c index 1caaf65..99d1755 100644 --- a/drivers/usb/host/ohci-platform.c +++ b/drivers/usb/host/ohci-platform.c @@ -203,7 +203,7 @@ static int ohci_platform_resume(struct device *dev) return err; } - ohci_finish_controller_resume(hcd); + ohci_resume(hcd, false); return 0; } diff --git a/drivers/usb/host/ohci-pxa27x.c b/drivers/usb/host/ohci-pxa27x.c index 2bf1144..156d289 100644 --- a/drivers/usb/host/ohci-pxa27x.c +++ b/drivers/usb/host/ohci-pxa27x.c @@ -591,7 +591,7 @@ static int ohci_hcd_pxa27x_drv_resume(struct device *dev) /* Select Power Management Mode */ pxa27x_ohci_select_pmm(ohci, inf->port_mode); - ohci_finish_controller_resume(hcd); + ohci_resume(hcd, false); return 0; } diff --git a/drivers/usb/host/ohci-s3c2410.c b/drivers/usb/host/ohci-s3c2410.c index 0d2309c..281d5c6 100644 --- a/drivers/usb/host/ohci-s3c2410.c +++ b/drivers/usb/host/ohci-s3c2410.c @@ -524,8 +524,7 @@ static int ohci_hcd_s3c2410_drv_resume(struct device *dev) s3c2410_start_hc(pdev, hcd); - set_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags); - ohci_finish_controller_resume(hcd); + ohci_resume(hcd, false); return 0; } diff --git a/drivers/usb/host/ohci-spear.c b/drivers/usb/host/ohci-spear.c index fc7305e..d607be3 100644 --- a/drivers/usb/host/ohci-spear.c +++ b/drivers/usb/host/ohci-spear.c @@ -231,7 +231,7 @@ static int spear_ohci_hcd_drv_resume(struct platform_device *dev) ohci->next_statechange = jiffies; spear_start_ohci(ohci_p); - ohci_finish_controller_resume(hcd); + ohci_resume(hcd, false); return 0; } #endif diff --git a/drivers/usb/host/ohci-tmio.c b/drivers/usb/host/ohci-tmio.c index 60c2b07..2c9ab8f 100644 --- a/drivers/usb/host/ohci-tmio.c +++ b/drivers/usb/host/ohci-tmio.c @@ -352,7 +352,7 @@ static int ohci_hcd_tmio_drv_resume(struct platform_device *dev) spin_unlock_irqrestore(&tmio->lock, flags); - ohci_finish_controller_resume(hcd); + ohci_resume(hcd, false); return 0; }

[15/32,v3] USB: ohci: merge ohci_finish_controller_resume with ohci_resume

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