8 files changed, 98 insertions, 131 deletions

diff --git a/drivers/usb/host/ohci-at91.c b/drivers/usb/host/ohci-at91.c
index 980030d684d5..6b7350b52419 100644
--- a/drivers/usb/host/ohci-at91.c
+++ b/drivers/usb/host/ohci-at91.c
@@ -20,7 +20,7 @@
 #include <asm/arch/board.h>
 
 #ifndef CONFIG_ARCH_AT91RM9200
-#error "This file is AT91RM9200 bus glue.  CONFIG_ARCH_AT91RM9200 must be defined."
+#error "CONFIG_ARCH_AT91RM9200 must be defined."
 #endif
 
 /* interface and function clocks */
@@ -84,8 +84,6 @@ static int usb_hcd_at91_remove (struct usb_hcd *, struct platform_device *);
  * Allocates basic resources for this USB host controller, and
  * then invokes the start() method for the HCD associated with it
  * through the hotplug entry's driver_data.
- *
- * Store this function in the HCD's struct pci_driver as probe().
  */
 int usb_hcd_at91_probe (const struct hc_driver *driver, struct platform_device *pdev)
 {
@@ -148,7 +146,6 @@ int usb_hcd_at91_probe (const struct hc_driver *driver, struct platform_device *
 }
 
 
-/* may be called without controller electrically present */
 /* may be called with controller, bus, and devices active */
 
 /**
@@ -166,11 +163,11 @@ static int usb_hcd_at91_remove (struct usb_hcd *hcd, struct platform_device *pde
 	usb_remove_hcd(hcd);
 	at91_stop_hc(pdev);
 	iounmap(hcd->regs);
- 	release_mem_region(hcd->rsrc_start, hcd->rsrc_len);
+	release_mem_region(hcd->rsrc_start, hcd->rsrc_len);
 
- 	clk_put(fclk);
- 	clk_put(iclk);
- 	fclk = iclk = NULL;
+	clk_put(fclk);
+	clk_put(iclk);
+	fclk = iclk = NULL;
 
 	dev_set_drvdata(&pdev->dev, NULL);
 	return 0;
@@ -235,8 +232,8 @@ static const struct hc_driver ohci_at91_hc_driver = {
 	.hub_control =		ohci_hub_control,
 
 #ifdef CONFIG_PM
-	.hub_suspend =		ohci_hub_suspend,
-	.hub_resume =		ohci_hub_resume,
+	.bus_suspend =		ohci_bus_suspend,
+	.bus_resume =		ohci_bus_resume,
 #endif
 	.start_port_reset =	ohci_start_port_reset,
 };
@@ -254,21 +251,21 @@ static int ohci_hcd_at91_drv_remove(struct platform_device *dev)
 }
 
 #ifdef CONFIG_PM
-static int ohci_hcd_at91_drv_suspend(struct platform_device *dev, u32 state, u32 level)
-{
-	printk("%s(%s:%d): not implemented yet\n",
-		__func__, __FILE__, __LINE__);
 
+/* REVISIT suspend/resume look "too" simple here */
+
+static int
+ohci_hcd_at91_drv_suspend(struct platform_device *dev, pm_message_t mesg)
+{
 	clk_disable(fclk);
+	clk_disable(iclk);
 
 	return 0;
 }
 
-static int ohci_hcd_at91_drv_resume(struct platform_device *dev, u32 state)
+static int ohci_hcd_at91_drv_resume(struct platform_device *dev)
 {
-	printk("%s(%s:%d): not implemented yet\n",
-		__func__, __FILE__, __LINE__);
-
+	clk_enable(iclk);
 	clk_enable(fclk);
 
 	return 0;
@@ -278,6 +275,8 @@ static int ohci_hcd_at91_drv_resume(struct platform_device *dev, u32 state)
 #define ohci_hcd_at91_drv_resume  NULL
 #endif
 
+MODULE_ALIAS("at91rm9200-ohci");
+
 static struct platform_driver ohci_hcd_at91_driver = {
 	.probe		= ohci_hcd_at91_drv_probe,
 	.remove		= ohci_hcd_at91_drv_remove,
diff --git a/drivers/usb/host/ohci-s3c2410.c b/drivers/usb/host/ohci-s3c2410.c
index 682bf2215660..1da5de573a6f 100644
--- a/drivers/usb/host/ohci-s3c2410.c
+++ b/drivers/usb/host/ohci-s3c2410.c
@@ -30,6 +30,7 @@
 /* clock device associated with the hcd */
 
 static struct clk *clk;
+static struct clk *usb_clk;
 
 /* forward definitions */
 
@@ -37,7 +38,7 @@ static void s3c2410_hcd_oc(struct s3c2410_hcd_info *info, int port_oc);
 
 /* conversion functions */
 
-struct s3c2410_hcd_info *to_s3c2410_info(struct usb_hcd *hcd)
+static struct s3c2410_hcd_info *to_s3c2410_info(struct usb_hcd *hcd)
 {
 	return hcd->self.controller->platform_data;
 }
@@ -47,6 +48,10 @@ static void s3c2410_start_hc(struct platform_device *dev, struct usb_hcd *hcd)
 	struct s3c2410_hcd_info *info = dev->dev.platform_data;
 
 	dev_dbg(&dev->dev, "s3c2410_start_hc:\n");
+
+	clk_enable(usb_clk);
+	mdelay(2);			/* let the bus clock stabilise */
+
 	clk_enable(clk);
 
 	if (info != NULL) {
@@ -75,6 +80,7 @@ static void s3c2410_stop_hc(struct platform_device *dev)
 	}
 
 	clk_disable(clk);
+	clk_disable(usb_clk);
 }
 
 /* ohci_s3c2410_hub_status_data
@@ -316,7 +322,8 @@ static void s3c2410_hcd_oc(struct s3c2410_hcd_info *info, int port_oc)
  *
 */
 
-void usb_hcd_s3c2410_remove (struct usb_hcd *hcd, struct platform_device *dev)
+static void
+usb_hcd_s3c2410_remove (struct usb_hcd *hcd, struct platform_device *dev)
 {
 	usb_remove_hcd(hcd);
 	s3c2410_stop_hc(dev);
@@ -334,8 +341,8 @@ void usb_hcd_s3c2410_remove (struct usb_hcd *hcd, struct platform_device *dev)
  * through the hotplug entry's driver_data.
  *
  */
-int usb_hcd_s3c2410_probe (const struct hc_driver *driver,
-			   struct platform_device *dev)
+static int usb_hcd_s3c2410_probe (const struct hc_driver *driver,
+				  struct platform_device *dev)
 {
 	struct usb_hcd *hcd = NULL;
 	int retval;
@@ -353,14 +360,21 @@ int usb_hcd_s3c2410_probe (const struct hc_driver *driver,
 	if (!request_mem_region(hcd->rsrc_start, hcd->rsrc_len, hcd_name)) {
 		dev_err(&dev->dev, "request_mem_region failed");
 		retval = -EBUSY;
-		goto err0;
+		goto err_put;
 	}
 
-	clk = clk_get(NULL, "usb-host");
+	clk = clk_get(&dev->dev, "usb-host");
 	if (IS_ERR(clk)) {
 		dev_err(&dev->dev, "cannot get usb-host clock\n");
 		retval = -ENOENT;
-		goto err1;
+		goto err_mem;
+	}
+
+	usb_clk = clk_get(&dev->dev, "upll");
+	if (IS_ERR(usb_clk)) {
+		dev_err(&dev->dev, "cannot get usb-host clock\n");
+		retval = -ENOENT;
+		goto err_clk;
 	}
 
 	s3c2410_start_hc(dev, hcd);
@@ -369,26 +383,29 @@ int usb_hcd_s3c2410_probe (const struct hc_driver *driver,
 	if (!hcd->regs) {
 		dev_err(&dev->dev, "ioremap failed\n");
 		retval = -ENOMEM;
-		goto err2;
+		goto err_ioremap;
 	}
 
 	ohci_hcd_init(hcd_to_ohci(hcd));
 
 	retval = usb_add_hcd(hcd, dev->resource[1].start, SA_INTERRUPT);
 	if (retval != 0)
-		goto err2;
+		goto err_ioremap;
 
 	return 0;
 
- err2:
+ err_ioremap:
 	s3c2410_stop_hc(dev);
 	iounmap(hcd->regs);
+	clk_put(usb_clk);
+
+ err_clk:
 	clk_put(clk);
 
- err1:
+ err_mem:
 	release_mem_region(hcd->rsrc_start, hcd->rsrc_len);
 
- err0:
+ err_put:
 	usb_put_hcd(hcd);
 	return retval;
 }
diff --git a/drivers/usb/host/pci-quirks.c b/drivers/usb/host/pci-quirks.c
index 9e81c26313f9..1045f846fbe2 100644
--- a/drivers/usb/host/pci-quirks.c
+++ b/drivers/usb/host/pci-quirks.c
@@ -15,6 +15,7 @@
 #include <linux/init.h>
 #include <linux/delay.h>
 #include <linux/acpi.h>
+#include "pci-quirks.h"
 
 
 #define UHCI_USBLEGSUP		0xc0		/* legacy support */
diff --git a/drivers/usb/host/pci-quirks.h b/drivers/usb/host/pci-quirks.h
new file mode 100644
index 000000000000..1564edfff6fe
--- /dev/null
+++ b/drivers/usb/host/pci-quirks.h
@@ -0,0 +1,7 @@
+#ifndef __LINUX_USB_PCI_QUIRKS_H
+#define __LINUX_USB_PCI_QUIRKS_H
+
+void uhci_reset_hc(struct pci_dev *pdev, unsigned long base);
+int uhci_check_and_reset_hc(struct pci_dev *pdev, unsigned long base);
+
+#endif  /*  __LINUX_USB_PCI_QUIRKS_H  */
diff --git a/drivers/usb/host/sl811_cs.c b/drivers/usb/host/sl811_cs.c
index 134d2000128a..302aa1ec312f 100644
--- a/drivers/usb/host/sl811_cs.c
+++ b/drivers/usb/host/sl811_cs.c
@@ -67,11 +67,11 @@ module_param(pc_debug, int, 0644);
 static const char driver_name[DEV_NAME_LEN]  = "sl811_cs";
 
 typedef struct local_info_t {
-	dev_link_t		link;
+	struct pcmcia_device	*p_dev;
 	dev_node_t		node;
 } local_info_t;
 
-static void sl811_cs_release(dev_link_t * link);
+static void sl811_cs_release(struct pcmcia_device * link);
 
 /*====================================================================*/
 
@@ -138,41 +138,27 @@ static int sl811_hc_init(struct device *parent, ioaddr_t base_addr, int irq)
 
 /*====================================================================*/
 
-static void sl811_cs_detach(struct pcmcia_device *p_dev)
+static void sl811_cs_detach(struct pcmcia_device *link)
 {
-	dev_link_t *link = dev_to_instance(p_dev);
-
 	DBG(0, "sl811_cs_detach(0x%p)\n", link);
 
-	link->state &= ~DEV_PRESENT;
-	if (link->state & DEV_CONFIG)
-		sl811_cs_release(link);
+	sl811_cs_release(link);
 
 	/* This points to the parent local_info_t struct */
 	kfree(link->priv);
 }
 
-static void sl811_cs_release(dev_link_t * link)
+static void sl811_cs_release(struct pcmcia_device * link)
 {
-
 	DBG(0, "sl811_cs_release(0x%p)\n", link);
 
-	/* Unlink the device chain */
-	link->dev = NULL;
-
+	pcmcia_disable_device(link);
 	platform_device_unregister(&platform_dev);
-	pcmcia_release_configuration(link->handle);
-	if (link->io.NumPorts1)
-		pcmcia_release_io(link->handle, &link->io);
-	if (link->irq.AssignedIRQ)
-		pcmcia_release_irq(link->handle, &link->irq);
-	link->state &= ~DEV_CONFIG;
 }
 
-static void sl811_cs_config(dev_link_t *link)
+static int sl811_cs_config(struct pcmcia_device *link)
 {
-	client_handle_t		handle = link->handle;
-	struct device		*parent = &handle_to_dev(handle);
+	struct device		*parent = &handle_to_dev(link);
 	local_info_t		*dev = link->priv;
 	tuple_t			tuple;
 	cisparse_t		parse;
@@ -188,27 +174,23 @@ static void sl811_cs_config(dev_link_t *link)
 	tuple.TupleData = buf;
 	tuple.TupleDataMax = sizeof(buf);
 	tuple.TupleOffset = 0;
-	CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(handle, &tuple));
-	CS_CHECK(GetTupleData, pcmcia_get_tuple_data(handle, &tuple));
-	CS_CHECK(ParseTuple, pcmcia_parse_tuple(handle, &tuple, &parse));
+	CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(link, &tuple));
+	CS_CHECK(GetTupleData, pcmcia_get_tuple_data(link, &tuple));
+	CS_CHECK(ParseTuple, pcmcia_parse_tuple(link, &tuple, &parse));
 	link->conf.ConfigBase = parse.config.base;
 	link->conf.Present = parse.config.rmask[0];
 
-	/* Configure card */
-	link->state |= DEV_CONFIG;
-
 	/* Look up the current Vcc */
 	CS_CHECK(GetConfigurationInfo,
-			pcmcia_get_configuration_info(handle, &conf));
-	link->conf.Vcc = conf.Vcc;
+			pcmcia_get_configuration_info(link, &conf));
 
 	tuple.DesiredTuple = CISTPL_CFTABLE_ENTRY;
-	CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(handle, &tuple));
+	CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(link, &tuple));
 	while (1) {
 		cistpl_cftable_entry_t	*cfg = &(parse.cftable_entry);
 
-		if (pcmcia_get_tuple_data(handle, &tuple) != 0
-				|| pcmcia_parse_tuple(handle, &tuple, &parse)
+		if (pcmcia_get_tuple_data(link, &tuple) != 0
+				|| pcmcia_parse_tuple(link, &tuple, &parse)
 						!= 0)
 			goto next_entry;
 
@@ -234,10 +216,10 @@ static void sl811_cs_config(dev_link_t *link)
 		}
 
 		if (cfg->vpp1.present & (1<<CISTPL_POWER_VNOM))
-			link->conf.Vpp1 = link->conf.Vpp2 =
+			link->conf.Vpp =
 				cfg->vpp1.param[CISTPL_POWER_VNOM]/10000;
 		else if (dflt.vpp1.present & (1<<CISTPL_POWER_VNOM))
-			link->conf.Vpp1 = link->conf.Vpp2 =
+			link->conf.Vpp =
 				dflt.vpp1.param[CISTPL_POWER_VNOM]/10000;
 
 		/* we need an interrupt */
@@ -254,15 +236,14 @@ static void sl811_cs_config(dev_link_t *link)
 			link->io.BasePort1 = io->win[0].base;
 			link->io.NumPorts1 = io->win[0].len;
 
-			if (pcmcia_request_io(link->handle, &link->io) != 0)
+			if (pcmcia_request_io(link, &link->io) != 0)
 				goto next_entry;
 		}
 		break;
 
 next_entry:
-		if (link->io.NumPorts1)
-			pcmcia_release_io(link->handle, &link->io);
-		last_ret = pcmcia_get_next_tuple(handle, &tuple);
+		pcmcia_disable_device(link);
+		last_ret = pcmcia_get_next_tuple(link, &tuple);
 	}
 
 	/* require an IRQ and two registers */
@@ -270,71 +251,46 @@ next_entry:
 		goto cs_failed;
 	if (link->conf.Attributes & CONF_ENABLE_IRQ)
 		CS_CHECK(RequestIRQ,
-			pcmcia_request_irq(link->handle, &link->irq));
+			pcmcia_request_irq(link, &link->irq));
 	else
 		goto cs_failed;
 
 	CS_CHECK(RequestConfiguration,
-		pcmcia_request_configuration(link->handle, &link->conf));
+		pcmcia_request_configuration(link, &link->conf));
 
 	sprintf(dev->node.dev_name, driver_name);
 	dev->node.major = dev->node.minor = 0;
-	link->dev = &dev->node;
+	link->dev_node = &dev->node;
 
-	printk(KERN_INFO "%s: index 0x%02x: Vcc %d.%d",
-	       dev->node.dev_name, link->conf.ConfigIndex,
-	       link->conf.Vcc/10, link->conf.Vcc%10);
-	if (link->conf.Vpp1)
-		printk(", Vpp %d.%d", link->conf.Vpp1/10, link->conf.Vpp1%10);
+	printk(KERN_INFO "%s: index 0x%02x: ",
+	       dev->node.dev_name, link->conf.ConfigIndex);
+	if (link->conf.Vpp)
+		printk(", Vpp %d.%d", link->conf.Vpp/10, link->conf.Vpp%10);
 	printk(", irq %d", link->irq.AssignedIRQ);
 	printk(", io 0x%04x-0x%04x", link->io.BasePort1,
 	       link->io.BasePort1+link->io.NumPorts1-1);
 	printk("\n");
 
-	link->state &= ~DEV_CONFIG_PENDING;
-
 	if (sl811_hc_init(parent, link->io.BasePort1, link->irq.AssignedIRQ)
 			< 0) {
 cs_failed:
 		printk("sl811_cs_config failed\n");
-		cs_error(link->handle, last_fn, last_ret);
+		cs_error(link, last_fn, last_ret);
 		sl811_cs_release(link);
-		link->state &= ~DEV_CONFIG_PENDING;
+		return  -ENODEV;
 	}
-}
-
-static int sl811_suspend(struct pcmcia_device *dev)
-{
-	dev_link_t *link = dev_to_instance(dev);
-
-	link->state |= DEV_SUSPEND;
-	if (link->state & DEV_CONFIG)
-		pcmcia_release_configuration(link->handle);
-
-	return 0;
-}
-
-static int sl811_resume(struct pcmcia_device *dev)
-{
-	dev_link_t *link = dev_to_instance(dev);
-
-	link->state &= ~DEV_SUSPEND;
-	if (link->state & DEV_CONFIG)
-		pcmcia_request_configuration(link->handle, &link->conf);
-
 	return 0;
 }
 
-static int sl811_cs_attach(struct pcmcia_device *p_dev)
+static int sl811_cs_probe(struct pcmcia_device *link)
 {
 	local_info_t *local;
-	dev_link_t *link;
 
 	local = kmalloc(sizeof(local_info_t), GFP_KERNEL);
 	if (!local)
 		return -ENOMEM;
 	memset(local, 0, sizeof(local_info_t));
-	link = &local->link;
+	local->p_dev = link;
 	link->priv = local;
 
 	/* Initialize */
@@ -343,16 +299,9 @@ static int sl811_cs_attach(struct pcmcia_device *p_dev)
 	link->irq.Handler = NULL;
 
 	link->conf.Attributes = 0;
-	link->conf.Vcc = 33;
 	link->conf.IntType = INT_MEMORY_AND_IO;
 
-	link->handle = p_dev;
-	p_dev->instance = link;
-
-	link->state |= DEV_PRESENT | DEV_CONFIG_PENDING;
-	sl811_cs_config(link);
-
-	return 0;
+	return sl811_cs_config(link);
 }
 
 static struct pcmcia_device_id sl811_ids[] = {
@@ -366,11 +315,9 @@ static struct pcmcia_driver sl811_cs_driver = {
 	.drv		= {
 		.name	= (char *)driver_name,
 	},
-	.probe		= sl811_cs_attach,
+	.probe		= sl811_cs_probe,
 	.remove		= sl811_cs_detach,
 	.id_table	= sl811_ids,
-	.suspend	= sl811_suspend,
-	.resume		= sl811_resume,
 };
 
 /*====================================================================*/
diff --git a/drivers/usb/host/uhci-hcd.c b/drivers/usb/host/uhci-hcd.c
index 4edb8330c440..c0c4db78b590 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.
  */
@@ -117,8 +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);