USB driver cleanups, no it is still not finished

SVN-Revision: 9543

4 files changed, 9 insertions, 161 deletions

diff --git a/target/linux/adm5120/files/drivers/usb/host/adm5120-dbg.c b/target/linux/adm5120/files/drivers/usb/host/adm5120-dbg.c
index 26d0b21..debd42f 100644
--- a/target/linux/adm5120/files/drivers/usb/host/adm5120-dbg.c
+++ b/target/linux/adm5120/files/drivers/usb/host/adm5120-dbg.c
@@ -522,112 +522,6 @@ show_async(struct class_device *class_dev, char *buf)
 }
 static CLASS_DEVICE_ATTR(async, S_IRUGO, show_async, NULL);
 
-
-#define DBG_SCHED_LIMIT 64
-
-static ssize_t
-show_periodic(struct class_device *class_dev, char *buf)
-{
-#if 0
-	struct usb_bus		*bus;
-	struct usb_hcd		*hcd;
-	struct admhcd		*ahcd;
-	struct ed		**seen, *ed;
-	unsigned long		flags;
-	unsigned		temp, size, seen_count;
-	char			*next;
-	unsigned		i;
-
-	if (!(seen = kmalloc(DBG_SCHED_LIMIT * sizeof *seen, GFP_ATOMIC)))
-		return 0;
-	seen_count = 0;
-
-	bus = class_get_devdata(class_dev);
-	hcd = bus_to_hcd(bus);
-	ahcd = hcd_to_admhcd(hcd);
-	next = buf;
-	size = PAGE_SIZE;
-
-	temp = scnprintf(next, size, "size = %d\n", NUM_INTS);
-	size -= temp;
-	next += temp;
-
-	/* dump a snapshot of the periodic schedule (and load) */
-	spin_lock_irqsave(&ahcd->lock, flags);
-	for (i = 0; i < NUM_INTS; i++) {
-		if (!(ed = ahcd->periodic [i]))
-			continue;
-
-		temp = scnprintf(next, size, "%2d [%3d]:", i, ahcd->load [i]);
-		size -= temp;
-		next += temp;
-
-		do {
-			temp = scnprintf(next, size, " ed%d/%p",
-				ed->interval, ed);
-			size -= temp;
-			next += temp;
-			for (temp = 0; temp < seen_count; temp++) {
-				if (seen [temp] == ed)
-					break;
-			}
-
-			/* show more info the first time around */
-			if (temp == seen_count) {
-				u32	info = hc32_to_cpu (ahcd, ed->hwINFO);
-				struct list_head	*entry;
-				unsigned		qlen = 0;
-
-				/* qlen measured here in TDs, not urbs */
-				list_for_each (entry, &ed->td_list)
-					qlen++;
-				temp = scnprintf(next, size,
-					" (%cs dev%d ep%d%s qlen %u"
-					" max %d %08x%s%s)",
-					(info & ED_SPEED_FULL) ? 'f' : 'l',
-					ED_FA_GET(info),
-					ED_EN_GET(info),
-					(info & ED_ISO) ? "iso" : "int",
-					qlen,
-					ED_MPS_GET(info),
-					info,
-					(info & ED_SKIP) ? " K" : "",
-					(ed->hwHeadP &
-						cpu_to_hc32(ahcd, ED_H)) ?
-							" H" : "");
-				size -= temp;
-				next += temp;
-
-				if (seen_count < DBG_SCHED_LIMIT)
-					seen [seen_count++] = ed;
-
-				ed = ed->ed_next;
-
-			} else {
-				/* we've seen it and what's after */
-				temp = 0;
-				ed = NULL;
-			}
-
-		} while (ed);
-
-		temp = scnprintf(next, size, "\n");
-		size -= temp;
-		next += temp;
-	}
-	spin_unlock_irqrestore(&ahcd->lock, flags);
-	kfree (seen);
-
-	return PAGE_SIZE - size;
-#else
-	return 0;
-#endif
-}
-static CLASS_DEVICE_ATTR(periodic, S_IRUGO, show_periodic, NULL);
-
-
-#undef DBG_SCHED_LIMIT
-
 static ssize_t
 show_registers(struct class_device *class_dev, char *buf)
 {
@@ -714,7 +608,6 @@ static inline void create_debug_files (struct admhcd *ahcd)
 	int retval;
 
 	retval = class_device_create_file(cldev, &class_device_attr_async);
-	retval = class_device_create_file(cldev, &class_device_attr_periodic);
 	retval = class_device_create_file(cldev, &class_device_attr_registers);
 	admhc_dbg(ahcd, "created debug files\n");
 }
@@ -724,7 +617,6 @@ static inline void remove_debug_files (struct admhcd *ahcd)
 	struct class_device *cldev = admhcd_to_hcd(ahcd)->self.class_dev;
 
 	class_device_remove_file(cldev, &class_device_attr_async);
-	class_device_remove_file(cldev, &class_device_attr_periodic);
 	class_device_remove_file(cldev, &class_device_attr_registers);
 }
 
diff --git a/target/linux/adm5120/files/drivers/usb/host/adm5120-hcd.c b/target/linux/adm5120/files/drivers/usb/host/adm5120-hcd.c
index fe60783..a5476fc 100644
--- a/target/linux/adm5120/files/drivers/usb/host/adm5120-hcd.c
+++ b/target/linux/adm5120/files/drivers/usb/host/adm5120-hcd.c
@@ -45,15 +45,13 @@
 #include "../core/hcd.h"
 #include "../core/hub.h"
 
-#define DRIVER_VERSION	"v0.04"
+#define DRIVER_VERSION	"v0.05"
 #define DRIVER_AUTHOR	"Gabor Juhos <juhosg at openwrt.org>"
 #define DRIVER_DESC	"ADMtek USB 1.1 Host Controller Driver"
 
 /*-------------------------------------------------------------------------*/
 
 #define ADMHC_VERBOSE_DEBUG	/* not always helpful */
-#define ADMHC_POLL_RH
-#undef ADMHC_LOCK_DMA
 
 /* For initializing controller (mask in an HCFS mode too) */
 #define	OHCI_CONTROL_INIT	OHCI_CTRL_CBSR
@@ -206,7 +204,6 @@ static int admhc_urb_enqueue(struct usb_hcd *hcd, struct usb_host_endpoint *ep,
 	/* schedule the ED */
 	ret = ed_schedule(ahcd, ed);
 
-fail0:
 	spin_unlock(&urb->lock);
 fail:
 	if (ret) {
diff --git a/target/linux/adm5120/files/drivers/usb/host/adm5120-hub.c b/target/linux/adm5120/files/drivers/usb/host/adm5120-hub.c
index f8bda82..d1e7d43 100644
--- a/target/linux/adm5120/files/drivers/usb/host/adm5120-hub.c
+++ b/target/linux/adm5120/files/drivers/usb/host/adm5120-hub.c
@@ -261,58 +261,16 @@ static void start_hnp(struct admhcd *ahcd);
 static inline int admhc_port_reset(struct admhcd *ahcd, unsigned port)
 {
 	u32 t;
-	int c;
 
 	admhc_vdbg(ahcd, "reset port%d\n", port);
-
 	t = admhc_read_portstatus(ahcd, port);
 	if (!(t & ADMHC_PS_CCS))
 		return -ENODEV;
 
-	if ((t & ADMHC_PS_PRS))
-		return 0;
-
-	admhc_write_portstatus(ahcd, port, ADMHC_PS_PRS);
-	c = 0;
-	do {
-		t = admhc_read_portstatus(ahcd, port);
-		if (t & ADMHC_PS_PRSC)
-			break;
-
-		if (++c > 20) {
-			admhc_err(ahcd, "port%d reset timed out\n",port);
-			return -EPIPE;
-		}
-
-		mdelay(PORT_RESET_HW_MSEC);
-	} while (1);
-	admhc_vdbg(ahcd, "port%d reset completed within %dms\n", port,
-			c * PORT_RESET_HW_MSEC);
-
-	t = admhc_read_portstatus(ahcd, port);
-	if (!(t & ADMHC_PS_CCS)) {
-		admhc_err(ahcd, "port%d is not connected after reset\n",port);
-		return -ENODEV;
-	}
-
-	admhc_write_portstatus(ahcd, port, ADMHC_PS_SPE);
-	c = 0;
-	do {
-		t = admhc_read_portstatus(ahcd, port);
-		if (t & ADMHC_PS_PESC)
-			break;
-
-		if (++c > 20) {
-			admhc_err(ahcd, "port%d enable timed out\n",port);
-			return -EPIPE;
-		}
-
-		mdelay(PORT_RESET_HW_MSEC);
-	} while (1);
-	admhc_vdbg(ahcd, "port%d enable completed within %dms\n", port,
-			c * PORT_RESET_HW_MSEC);
-
-	admhc_write_portstatus(ahcd, port, ADMHC_PS_CSC);
+	admhc_write_portstatus(ahcd, port, ADMHC_PS_SPR);
+	mdelay(10);
+	admhc_write_portstatus(ahcd, port, (ADMHC_PS_SPE | ADMHC_PS_CSC));
+	mdelay(100);
 
 	return 0;
 }
@@ -340,7 +298,7 @@ static inline int admhc_port_disable(struct admhcd *ahcd, unsigned port)
 	if (!(t & ADMHC_PS_CCS))
 		return -ENODEV;
 
-	admhc_write_portstatus(ahcd, ADMHC_PS_CPE, port);
+	admhc_write_portstatus(ahcd, port, ADMHC_PS_CPE);
 
 	return 0;
 }
@@ -348,7 +306,9 @@ static inline int admhc_port_disable(struct admhcd *ahcd, unsigned port)
 static inline int admhc_port_write(struct admhcd *ahcd, unsigned port,
 		u32 val)
 {
+#ifdef ADMHC_VERBOSE_DEBUG
 	dbg_port_write(ahcd, "write", port, val);
+#endif
 	admhc_write_portstatus(ahcd, port, val);
 
 	return 0;
diff --git a/target/linux/adm5120/files/drivers/usb/host/adm5120.h b/target/linux/adm5120/files/drivers/usb/host/adm5120.h
index f8b576a..a682856 100644
--- a/target/linux/adm5120/files/drivers/usb/host/adm5120.h
+++ b/target/linux/adm5120/files/drivers/usb/host/adm5120.h
@@ -143,7 +143,6 @@ struct td {
 
 	/* rest are purely for the driver's use */
 	__u8		index;
-/*	struct ed	*ed;*/
 	struct urb	*urb;
 
 	dma_addr_t	td_dma;		/* addr of this TD */
@@ -445,7 +444,7 @@ static inline struct usb_hcd *admhcd_to_hcd(const struct admhcd *ahcd)
 
 #define admhc_err(ahcd, fmt, args...) \
 	printk(KERN_ERR "adm5120-hcd: " fmt , ## args )
-#define ahcd_info(ahcd, fmt, args...) \
+#define admhc_info(ahcd, fmt, args...) \
 	printk(KERN_INFO "adm5120-hcd: " fmt , ## args )
 #define admhc_warn(ahcd, fmt, args...) \
 	printk(KERN_WARNING "adm5120-hcd: " fmt , ## args )