From 75e2df603de69dba67dd64ab34a2313fdc52a4dd Mon Sep 17 00:00:00 2001 From: Adrian Bunk Date: Sat, 25 Mar 2006 18:01:53 +0100 Subject: [PATCH] USB: pci-quirks.c: proper prototypes This patch adds a header file with proper prototypes for two functions in drivers/usb/host/pci-quirks.c. Signed-off-by: Adrian Bunk Acked-by: Alan Stern Signed-off-by: Greg Kroah-Hartman --- drivers/usb/host/uhci-hcd.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) (limited to 'drivers/usb/host/uhci-hcd.c') diff --git a/drivers/usb/host/uhci-hcd.c b/drivers/usb/host/uhci-hcd.c index 4edb8330c440..3d511690c9b7 100644 --- a/drivers/usb/host/uhci-hcd.c +++ b/drivers/usb/host/uhci-hcd.c @@ -50,6 +50,7 @@ #include "../core/hcd.h" #include "uhci-hcd.h" +#include "pci-quirks.h" /* * Version Information @@ -100,9 +101,6 @@ static void uhci_get_current_frame_number(struct uhci_hcd *uhci); #include "uhci-q.c" #include "uhci-hub.c" -extern void uhci_reset_hc(struct pci_dev *pdev, unsigned long base); -extern int uhci_check_and_reset_hc(struct pci_dev *pdev, unsigned long base); - /* * Finish up a host controller reset and update the recorded state. */ -- cgit v1.2.3 From 8e32640672bdcb01e0d83f087f09dd65fcbc3275 Mon Sep 17 00:00:00 2001 From: Alan Stern Date: Tue, 4 Apr 2006 14:47:44 -0400 Subject: [PATCH] USB: UHCI: don't track suspended ports Someone recently posted a bug report where it turned out that uhci-hcd was disagreeing with the UHCI controller over whether or not a port was suspended: The driver thought it wasn't and the hardware thought it was. This patch (as665) fixes the problem and simplifies the driver by removing the internal state-tracking completely. Now the driver just asks the hardware whether a port is suspended. Signed-off-by: Alan Stern Signed-off-by: Greg Kroah-Hartman --- drivers/usb/host/uhci-hcd.c | 3 +-- drivers/usb/host/uhci-hcd.h | 1 - drivers/usb/host/uhci-hub.c | 18 +++++++++--------- 3 files changed, 10 insertions(+), 12 deletions(-) (limited to 'drivers/usb/host/uhci-hcd.c') diff --git a/drivers/usb/host/uhci-hcd.c b/drivers/usb/host/uhci-hcd.c index 3d511690c9b7..c0c4db78b590 100644 --- a/drivers/usb/host/uhci-hcd.c +++ b/drivers/usb/host/uhci-hcd.c @@ -115,8 +115,7 @@ static void finish_reset(struct uhci_hcd *uhci) for (port = 0; port < uhci->rh_numports; ++port) outw(0, uhci->io_addr + USBPORTSC1 + (port * 2)); - uhci->port_c_suspend = uhci->suspended_ports = - uhci->resuming_ports = 0; + uhci->port_c_suspend = uhci->resuming_ports = 0; uhci->rh_state = UHCI_RH_RESET; uhci->is_stopped = UHCI_IS_STOPPED; uhci_to_hcd(uhci)->state = HC_STATE_HALT; diff --git a/drivers/usb/host/uhci-hcd.h b/drivers/usb/host/uhci-hcd.h index 4a69c7eb09bd..d5c8f4d92823 100644 --- a/drivers/usb/host/uhci-hcd.h +++ b/drivers/usb/host/uhci-hcd.h @@ -415,7 +415,6 @@ struct uhci_hcd { /* Support for port suspend/resume/reset */ unsigned long port_c_suspend; /* Bit-arrays of ports */ - unsigned long suspended_ports; unsigned long resuming_ports; unsigned long ports_timeout; /* Time to stop signalling */ diff --git a/drivers/usb/host/uhci-hub.c b/drivers/usb/host/uhci-hub.c index 152971d16769..c8451d9578f1 100644 --- a/drivers/usb/host/uhci-hub.c +++ b/drivers/usb/host/uhci-hub.c @@ -85,11 +85,10 @@ static void uhci_finish_suspend(struct uhci_hcd *uhci, int port, { int status; - if (test_bit(port, &uhci->suspended_ports)) { + if (inw(port_addr) & (USBPORTSC_SUSP | USBPORTSC_RD)) { CLR_RH_PORTSTAT(USBPORTSC_SUSP | USBPORTSC_RD); - clear_bit(port, &uhci->suspended_ports); - clear_bit(port, &uhci->resuming_ports); - set_bit(port, &uhci->port_c_suspend); + if (test_bit(port, &uhci->resuming_ports)) + set_bit(port, &uhci->port_c_suspend); /* The controller won't actually turn off the RD bit until * it has had a chance to send a low-speed EOP sequence, @@ -97,6 +96,7 @@ static void uhci_finish_suspend(struct uhci_hcd *uhci, int port, * slightly longer for good luck. */ udelay(4); } + clear_bit(port, &uhci->resuming_ports); } /* Wait for the UHCI controller in HP's iLO2 server management chip. @@ -265,8 +265,6 @@ static int uhci_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue, wPortChange |= USB_PORT_STAT_C_SUSPEND; lstatus |= 1; } - if (test_bit(port, &uhci->suspended_ports)) - lstatus |= 2; if (test_bit(port, &uhci->resuming_ports)) lstatus |= 4; @@ -309,7 +307,6 @@ static int uhci_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue, switch (wValue) { case USB_PORT_FEAT_SUSPEND: - set_bit(port, &uhci->suspended_ports); SET_RH_PORTSTAT(USBPORTSC_SUSP); OK(0); case USB_PORT_FEAT_RESET: @@ -343,8 +340,11 @@ static int uhci_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue, CLR_RH_PORTSTAT(USBPORTSC_PEC); OK(0); case USB_PORT_FEAT_SUSPEND: - if (test_bit(port, &uhci->suspended_ports) && - !test_and_set_bit(port, + if (!(inw(port_addr) & USBPORTSC_SUSP)) { + + /* Make certain the port isn't suspended */ + uhci_finish_suspend(uhci, port, port_addr); + } else if (!test_and_set_bit(port, &uhci->resuming_ports)) { SET_RH_PORTSTAT(USBPORTSC_RD); -- cgit v1.2.3 From c67808eee61a01c3128298c5972426a1a67b9093 Mon Sep 17 00:00:00 2001 From: Jean Delvare Date: Sun, 9 Apr 2006 20:07:35 +0200 Subject: [PATCH] USB: Use new PCI_CLASS_SERIAL_USB_* defines We could use the recently added PCI_CLASS_SERIAL_USB_UHCI, PCI_CLASS_SERIAL_USB_OHCI and PCI_CLASS_SERIAL_USB_EHCI defines in more places, for slightly shorter and clearer code. Signed-off-by: Jean Delvare Signed-off-by: Greg Kroah-Hartman --- arch/powerpc/platforms/powermac/pci.c | 2 +- drivers/usb/host/ehci-pci.c | 2 +- drivers/usb/host/ohci-pci.c | 2 +- drivers/usb/host/uhci-hcd.c | 2 +- 4 files changed, 4 insertions(+), 4 deletions(-) (limited to 'drivers/usb/host/uhci-hcd.c') diff --git a/arch/powerpc/platforms/powermac/pci.c b/arch/powerpc/platforms/powermac/pci.c index f5d8d15d74fa..ea179afea632 100644 --- a/arch/powerpc/platforms/powermac/pci.c +++ b/arch/powerpc/platforms/powermac/pci.c @@ -1097,7 +1097,7 @@ pmac_pci_enable_device_hook(struct pci_dev *dev, int initial) * (iBook second controller) */ if (dev->vendor == PCI_VENDOR_ID_APPLE - && (dev->class == ((PCI_CLASS_SERIAL_USB << 8) | 0x10)) + && dev->class == PCI_CLASS_SERIAL_USB_OHCI && !node) { printk(KERN_INFO "Apple USB OHCI %s disabled by firmware\n", pci_name(dev)); diff --git a/drivers/usb/host/ehci-pci.c b/drivers/usb/host/ehci-pci.c index 1e03f1a5a5fd..a1bd2bea6deb 100644 --- a/drivers/usb/host/ehci-pci.c +++ b/drivers/usb/host/ehci-pci.c @@ -350,7 +350,7 @@ static const struct hc_driver ehci_pci_hc_driver = { /* PCI driver selection metadata; PCI hotplugging uses this */ static const struct pci_device_id pci_ids [] = { { /* handle any USB 2.0 EHCI controller */ - PCI_DEVICE_CLASS(((PCI_CLASS_SERIAL_USB << 8) | 0x20), ~0), + PCI_DEVICE_CLASS(PCI_CLASS_SERIAL_USB_EHCI, ~0), .driver_data = (unsigned long) &ehci_pci_hc_driver, }, { /* end: all zeroes */ } diff --git a/drivers/usb/host/ohci-pci.c b/drivers/usb/host/ohci-pci.c index 1bfe96f4d045..b268537e389e 100644 --- a/drivers/usb/host/ohci-pci.c +++ b/drivers/usb/host/ohci-pci.c @@ -206,7 +206,7 @@ static const struct hc_driver ohci_pci_hc_driver = { static const struct pci_device_id pci_ids [] = { { /* handle any USB OHCI controller */ - PCI_DEVICE_CLASS((PCI_CLASS_SERIAL_USB << 8) | 0x10, ~0), + PCI_DEVICE_CLASS(PCI_CLASS_SERIAL_USB_OHCI, ~0), .driver_data = (unsigned long) &ohci_pci_hc_driver, }, { /* end: all zeroes */ } }; diff --git a/drivers/usb/host/uhci-hcd.c b/drivers/usb/host/uhci-hcd.c index c0c4db78b590..d225e11f4055 100644 --- a/drivers/usb/host/uhci-hcd.c +++ b/drivers/usb/host/uhci-hcd.c @@ -858,7 +858,7 @@ static const struct hc_driver uhci_driver = { static const struct pci_device_id uhci_pci_ids[] = { { /* handle any USB UHCI controller */ - PCI_DEVICE_CLASS(((PCI_CLASS_SERIAL_USB << 8) | 0x00), ~0), + PCI_DEVICE_CLASS(PCI_CLASS_SERIAL_USB_UHCI, ~0), .driver_data = (unsigned long) &uhci_driver, }, { /* end: all zeroes */ } }; -- cgit v1.2.3