X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=drivers%2Fusb%2Fhost%2Fohci-pci.c;h=3bf175d95a2303b17d80a3561fc38a727ce13c84;hb=1434b65731963207a4cc84bd87e6191e34321986;hp=b331ac4d0d62e619865d21bc102aa7767ad33970;hpb=5986a2ec35836a878350c54af4bd91b1de6abc59;p=linux-2.6-omap-h63xx.git

diff --git a/drivers/usb/host/ohci-pci.c b/drivers/usb/host/ohci-pci.c
index b331ac4d0d6..3bf175d95a2 100644
--- a/drivers/usb/host/ohci-pci.c
+++ b/drivers/usb/host/ohci-pci.c
@@ -20,10 +20,16 @@
 
 /*-------------------------------------------------------------------------*/
 
+static int broken_suspend(struct usb_hcd *hcd)
+{
+	device_init_wakeup(&hcd->self.root_hub->dev, 0);
+	return 0;
+}
+
 /* AMD 756, for most chips (early revs), corrupts register
  * values on read ... so enable the vendor workaround.
  */
-static int __devinit ohci_quirk_amd756(struct usb_hcd *hcd)
+static int ohci_quirk_amd756(struct usb_hcd *hcd)
 {
 	struct ohci_hcd	*ohci = hcd_to_ohci (hcd);
 
@@ -31,16 +37,14 @@ static int __devinit ohci_quirk_amd756(struct usb_hcd *hcd)
 	ohci_dbg (ohci, "AMD756 erratum 4 workaround\n");
 
 	/* also erratum 10 (suspend/resume issues) */
-	device_init_wakeup(&hcd->self.root_hub->dev, 0);
-
-	return 0;
+	return broken_suspend(hcd);
 }
 
 /* Apple's OHCI driver has a lot of bizarre workarounds
  * for this chip.  Evidently control and bulk lists
  * can get confused.  (B&W G3 models, and ...)
  */
-static int __devinit ohci_quirk_opti(struct usb_hcd *hcd)
+static int ohci_quirk_opti(struct usb_hcd *hcd)
 {
 	struct ohci_hcd	*ohci = hcd_to_ohci (hcd);
 
@@ -53,7 +57,7 @@ static int __devinit ohci_quirk_opti(struct usb_hcd *hcd)
  * identify the USB (fn2). This quirk might apply to more or
  * even all NSC stuff.
  */
-static int __devinit ohci_quirk_ns(struct usb_hcd *hcd)
+static int ohci_quirk_ns(struct usb_hcd *hcd)
 {
 	struct pci_dev *pdev = to_pci_dev(hcd->self.controller);
 	struct pci_dev	*b;
@@ -75,12 +79,12 @@ static int __devinit ohci_quirk_ns(struct usb_hcd *hcd)
  * delays before control or bulk queues get re-activated
  * in finish_unlinks()
  */
-static int __devinit ohci_quirk_zfmicro(struct usb_hcd *hcd)
+static int ohci_quirk_zfmicro(struct usb_hcd *hcd)
 {
 	struct ohci_hcd	*ohci = hcd_to_ohci (hcd);
 
 	ohci->flags |= OHCI_QUIRK_ZFMICRO;
-	ohci_dbg (ohci, "enabled Compaq ZFMicro chipset quirk\n");
+	ohci_dbg(ohci, "enabled Compaq ZFMicro chipset quirks\n");
 
 	return 0;
 }
@@ -88,7 +92,7 @@ static int __devinit ohci_quirk_zfmicro(struct usb_hcd *hcd)
 /* Check for Toshiba SCC OHCI which has big endian registers
  * and little endian in memory data structures
  */
-static int __devinit ohci_quirk_toshiba_scc(struct usb_hcd *hcd)
+static int ohci_quirk_toshiba_scc(struct usb_hcd *hcd)
 {
 	struct ohci_hcd	*ohci = hcd_to_ohci (hcd);
 
@@ -107,6 +111,38 @@ static int __devinit ohci_quirk_toshiba_scc(struct usb_hcd *hcd)
 #endif
 }
 
+/* Check for NEC chip and apply quirk for allegedly lost interrupts.
+ */
+
+static void ohci_quirk_nec_worker(struct work_struct *work)
+{
+	struct ohci_hcd *ohci = container_of(work, struct ohci_hcd, nec_work);
+	int status;
+
+	status = ohci_init(ohci);
+	if (status != 0) {
+		ohci_err(ohci, "Restarting NEC controller failed in %s, %d\n",
+			 "ohci_init", status);
+		return;
+	}
+
+	status = ohci_restart(ohci);
+	if (status != 0)
+		ohci_err(ohci, "Restarting NEC controller failed in %s, %d\n",
+			 "ohci_restart", status);
+}
+
+static int ohci_quirk_nec(struct usb_hcd *hcd)
+{
+	struct ohci_hcd	*ohci = hcd_to_ohci (hcd);
+
+	ohci->flags |= OHCI_QUIRK_NEC;
+	INIT_WORK(&ohci->nec_work, ohci_quirk_nec_worker);
+	ohci_dbg (ohci, "enabled NEC chipset lost interrupt quirk\n");
+
+	return 0;
+}
+
 /* List of quirks for OHCI */
 static const struct pci_device_id ohci_pci_quirks[] = {
 	{
@@ -129,6 +165,22 @@ static const struct pci_device_id ohci_pci_quirks[] = {
 		PCI_DEVICE(PCI_VENDOR_ID_TOSHIBA_2, 0x01b6),
 		.driver_data = (unsigned long)ohci_quirk_toshiba_scc,
 	},
+	{
+		PCI_DEVICE(PCI_VENDOR_ID_NEC, PCI_DEVICE_ID_NEC_USB),
+		.driver_data = (unsigned long)ohci_quirk_nec,
+	},
+	{
+		/* Toshiba portege 4000 */
+		.vendor		= PCI_VENDOR_ID_AL,
+		.device		= 0x5237,
+		.subvendor	= PCI_VENDOR_ID_TOSHIBA,
+		.subdevice	= 0x0004,
+		.driver_data	= (unsigned long) broken_suspend,
+	},
+	{
+		PCI_DEVICE(PCI_VENDOR_ID_ITE, 0x8152),
+		.driver_data = (unsigned long) broken_suspend,
+	},
 	/* FIXME for some of the early AMD 760 southbridges, OHCI
 	 * won't work at all.  blacklist them.
 	 */
@@ -225,7 +277,7 @@ static int ohci_pci_suspend (struct usb_hcd *hcd, pm_message_t message)
 static int ohci_pci_resume (struct usb_hcd *hcd)
 {
 	set_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags);
-	usb_hcd_resume_root_hub(hcd);
+	ohci_finish_controller_resume(hcd);
 	return 0;
 }
 
@@ -254,9 +306,8 @@ static const struct hc_driver ohci_pci_hc_driver = {
 	.shutdown =		ohci_shutdown,
 
 #ifdef	CONFIG_PM
-	/* these suspend/resume entries are for upstream PCI glue ONLY */
-	.suspend =		ohci_pci_suspend,
-	.resume =		ohci_pci_resume,
+	.pci_suspend =		ohci_pci_suspend,
+	.pci_resume =		ohci_pci_resume,
 #endif
 
 	/*
@@ -276,7 +327,6 @@ static const struct hc_driver ohci_pci_hc_driver = {
 	 */
 	.hub_status_data =	ohci_hub_status_data,
 	.hub_control =		ohci_hub_control,
-	.hub_irq_enable =	ohci_rhsc_enable,
 #ifdef	CONFIG_PM
 	.bus_suspend =		ohci_bus_suspend,
 	.bus_resume =		ohci_bus_resume,