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path: root/drivers/usb/host/isp1362-hcd.c
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Diffstat (limited to 'drivers/usb/host/isp1362-hcd.c')
-rw-r--r--drivers/usb/host/isp1362-hcd.c152
1 files changed, 53 insertions, 99 deletions
diff --git a/drivers/usb/host/isp1362-hcd.c b/drivers/usb/host/isp1362-hcd.c
index 43a39eb56cc..875bcfd3ec1 100644
--- a/drivers/usb/host/isp1362-hcd.c
+++ b/drivers/usb/host/isp1362-hcd.c
@@ -37,11 +37,7 @@
* recovery time (MSCx = 0x7f8c) with a memory clock of 99.53 MHz.
*/
-#ifdef CONFIG_USB_DEBUG
-# define ISP1362_DEBUG
-#else
-# undef ISP1362_DEBUG
-#endif
+#undef ISP1362_DEBUG
/*
* The PXA255 UDC apparently doesn't handle GET_STATUS, GET_CONFIG and
@@ -71,7 +67,6 @@
#include <linux/sched.h>
#include <linux/slab.h>
#include <linux/errno.h>
-#include <linux/init.h>
#include <linux/list.h>
#include <linux/interrupt.h>
#include <linux/usb.h>
@@ -81,9 +76,11 @@
#include <linux/pm.h>
#include <linux/io.h>
#include <linux/bitmap.h>
+#include <linux/prefetch.h>
+#include <linux/debugfs.h>
+#include <linux/seq_file.h>
#include <asm/irq.h>
-#include <asm/system.h>
#include <asm/byteorder.h>
#include <asm/unaligned.h>
@@ -92,7 +89,6 @@ static int dbg_level;
module_param(dbg_level, int, 0644);
#else
module_param(dbg_level, int, 0);
-#define STUB_DEBUG_FILE
#endif
#include "../core/usb.h"
@@ -226,7 +222,6 @@ static int claim_ptd_buffers(struct isp1362_ep_queue *epq,
static inline void release_ptd_buffers(struct isp1362_ep_queue *epq, struct isp1362_ep *ep)
{
- int index = ep->ptd_index;
int last = ep->ptd_index + ep->num_ptds;
if (last > epq->buf_count)
@@ -236,10 +231,8 @@ static inline void release_ptd_buffers(struct isp1362_ep_queue *epq, struct isp1
epq->buf_map, epq->skip_map);
BUG_ON(last > epq->buf_count);
- for (; index < last; index++) {
- __clear_bit(index, &epq->buf_map);
- __set_bit(index, &epq->skip_map);
- }
+ bitmap_clear(&epq->buf_map, ep->ptd_index, ep->num_ptds);
+ bitmap_set(&epq->skip_map, ep->ptd_index, ep->num_ptds);
epq->buf_avail += ep->num_ptds;
epq->ptd_count--;
@@ -353,8 +346,6 @@ static void isp1362_write_ptd(struct isp1362_hcd *isp1362_hcd, struct isp1362_ep
struct ptd *ptd = &ep->ptd;
int len = PTD_GET_DIR(ptd) == PTD_DIR_IN ? 0 : ep->length;
- _BUG_ON(ep->ptd_offset < 0);
-
prefetch(ptd);
isp1362_write_buffer(isp1362_hcd, ptd, ep->ptd_offset, PTD_HEADER_SIZE);
if (len)
@@ -546,12 +537,12 @@ static void postproc_ep(struct isp1362_hcd *isp1362_hcd, struct isp1362_ep *ep)
usb_pipein(urb->pipe) ? "IN" : "OUT", ep->nextpid,
short_ok ? "" : "not_",
PTD_GET_COUNT(ptd), ep->maxpacket, len);
+ /* save the data underrun error code for later and
+ * proceed with the status stage
+ */
+ urb->actual_length += PTD_GET_COUNT(ptd);
if (usb_pipecontrol(urb->pipe)) {
ep->nextpid = USB_PID_ACK;
- /* save the data underrun error code for later and
- * procede with the status stage
- */
- urb->actual_length += PTD_GET_COUNT(ptd);
BUG_ON(urb->actual_length > urb->transfer_buffer_length);
if (urb->status == -EINPROGRESS)
@@ -1555,9 +1546,9 @@ static void isp1362_hub_descriptor(struct isp1362_hcd *isp1362_hcd,
desc->wHubCharacteristics = cpu_to_le16((reg >> 8) & 0x1f);
DBG(0, "%s: hubcharacteristics = %02x\n", __func__, cpu_to_le16((reg >> 8) & 0x1f));
desc->bPwrOn2PwrGood = (reg >> 24) & 0xff;
- /* two bitmaps: ports removable, and legacy PortPwrCtrlMask */
- desc->bitmap[0] = desc->bNbrPorts == 1 ? 1 << 1 : 3 << 1;
- desc->bitmap[1] = ~0;
+ /* ports removable, and legacy PortPwrCtrlMask */
+ desc->u.hs.DeviceRemovable[0] = desc->bNbrPorts == 1 ? 1 << 1 : 3 << 1;
+ desc->u.hs.DeviceRemovable[1] = ~0;
DBG(3, "%s: exit\n", __func__);
}
@@ -1578,12 +1569,12 @@ static int isp1362_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue,
DBG(0, "ClearHubFeature: ");
switch (wValue) {
case C_HUB_OVER_CURRENT:
- _DBG(0, "C_HUB_OVER_CURRENT\n");
+ DBG(0, "C_HUB_OVER_CURRENT\n");
spin_lock_irqsave(&isp1362_hcd->lock, flags);
isp1362_write_reg32(isp1362_hcd, HCRHSTATUS, RH_HS_OCIC);
spin_unlock_irqrestore(&isp1362_hcd->lock, flags);
case C_HUB_LOCAL_POWER:
- _DBG(0, "C_HUB_LOCAL_POWER\n");
+ DBG(0, "C_HUB_LOCAL_POWER\n");
break;
default:
goto error;
@@ -1594,7 +1585,7 @@ static int isp1362_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue,
switch (wValue) {
case C_HUB_OVER_CURRENT:
case C_HUB_LOCAL_POWER:
- _DBG(0, "C_HUB_OVER_CURRENT or C_HUB_LOCAL_POWER\n");
+ DBG(0, "C_HUB_OVER_CURRENT or C_HUB_LOCAL_POWER\n");
break;
default:
goto error;
@@ -1625,36 +1616,36 @@ static int isp1362_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue,
switch (wValue) {
case USB_PORT_FEAT_ENABLE:
- _DBG(0, "USB_PORT_FEAT_ENABLE\n");
+ DBG(0, "USB_PORT_FEAT_ENABLE\n");
tmp = RH_PS_CCS;
break;
case USB_PORT_FEAT_C_ENABLE:
- _DBG(0, "USB_PORT_FEAT_C_ENABLE\n");
+ DBG(0, "USB_PORT_FEAT_C_ENABLE\n");
tmp = RH_PS_PESC;
break;
case USB_PORT_FEAT_SUSPEND:
- _DBG(0, "USB_PORT_FEAT_SUSPEND\n");
+ DBG(0, "USB_PORT_FEAT_SUSPEND\n");
tmp = RH_PS_POCI;
break;
case USB_PORT_FEAT_C_SUSPEND:
- _DBG(0, "USB_PORT_FEAT_C_SUSPEND\n");
+ DBG(0, "USB_PORT_FEAT_C_SUSPEND\n");
tmp = RH_PS_PSSC;
break;
case USB_PORT_FEAT_POWER:
- _DBG(0, "USB_PORT_FEAT_POWER\n");
+ DBG(0, "USB_PORT_FEAT_POWER\n");
tmp = RH_PS_LSDA;
break;
case USB_PORT_FEAT_C_CONNECTION:
- _DBG(0, "USB_PORT_FEAT_C_CONNECTION\n");
+ DBG(0, "USB_PORT_FEAT_C_CONNECTION\n");
tmp = RH_PS_CSC;
break;
case USB_PORT_FEAT_C_OVER_CURRENT:
- _DBG(0, "USB_PORT_FEAT_C_OVER_CURRENT\n");
+ DBG(0, "USB_PORT_FEAT_C_OVER_CURRENT\n");
tmp = RH_PS_OCIC;
break;
case USB_PORT_FEAT_C_RESET:
- _DBG(0, "USB_PORT_FEAT_C_RESET\n");
+ DBG(0, "USB_PORT_FEAT_C_RESET\n");
tmp = RH_PS_PRSC;
break;
default:
@@ -1674,7 +1665,7 @@ static int isp1362_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue,
wIndex--;
switch (wValue) {
case USB_PORT_FEAT_SUSPEND:
- _DBG(0, "USB_PORT_FEAT_SUSPEND\n");
+ DBG(0, "USB_PORT_FEAT_SUSPEND\n");
spin_lock_irqsave(&isp1362_hcd->lock, flags);
isp1362_write_reg32(isp1362_hcd, HCRHPORT1 + wIndex, RH_PS_PSS);
isp1362_hcd->rhport[wIndex] =
@@ -1682,7 +1673,7 @@ static int isp1362_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue,
spin_unlock_irqrestore(&isp1362_hcd->lock, flags);
break;
case USB_PORT_FEAT_POWER:
- _DBG(0, "USB_PORT_FEAT_POWER\n");
+ DBG(0, "USB_PORT_FEAT_POWER\n");
spin_lock_irqsave(&isp1362_hcd->lock, flags);
isp1362_write_reg32(isp1362_hcd, HCRHPORT1 + wIndex, RH_PS_PPS);
isp1362_hcd->rhport[wIndex] =
@@ -1690,7 +1681,7 @@ static int isp1362_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue,
spin_unlock_irqrestore(&isp1362_hcd->lock, flags);
break;
case USB_PORT_FEAT_RESET:
- _DBG(0, "USB_PORT_FEAT_RESET\n");
+ DBG(0, "USB_PORT_FEAT_RESET\n");
spin_lock_irqsave(&isp1362_hcd->lock, flags);
t1 = jiffies + msecs_to_jiffies(USB_RESET_WIDTH);
@@ -1724,7 +1715,7 @@ static int isp1362_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue,
default:
error:
/* "protocol stall" on error */
- _DBG(0, "PROTOCOL STALL\n");
+ DBG(0, "PROTOCOL STALL\n");
retval = -EPIPE;
}
@@ -1916,20 +1907,6 @@ static int isp1362_bus_resume(struct usb_hcd *hcd)
/*-------------------------------------------------------------------------*/
-#ifdef STUB_DEBUG_FILE
-
-static inline void create_debug_file(struct isp1362_hcd *isp1362_hcd)
-{
-}
-static inline void remove_debug_file(struct isp1362_hcd *isp1362_hcd)
-{
-}
-
-#else
-
-#include <linux/proc_fs.h>
-#include <linux/seq_file.h>
-
static void dump_irq(struct seq_file *s, char *label, u16 mask)
{
seq_printf(s, "%-15s %04x%s%s%s%s%s%s\n", label, mask,
@@ -2072,7 +2049,7 @@ static void dump_regs(struct seq_file *s, struct isp1362_hcd *isp1362_hcd)
isp1362_read_reg16(isp1362_hcd, HCATLDTCTO));
}
-static int proc_isp1362_show(struct seq_file *s, void *unused)
+static int isp1362_show(struct seq_file *s, void *unused)
{
struct isp1362_hcd *isp1362_hcd = s->private;
struct isp1362_ep *ep;
@@ -2130,7 +2107,7 @@ static int proc_isp1362_show(struct seq_file *s, void *unused)
default:
s = "?";
break;
- };
+ }
s;}), ep->maxpacket) ;
list_for_each_entry(urb, &ep->hep->urb_list, urb_list) {
seq_printf(s, " urb%p, %d/%d\n", urb,
@@ -2176,44 +2153,31 @@ static int proc_isp1362_show(struct seq_file *s, void *unused)
return 0;
}
-static int proc_isp1362_open(struct inode *inode, struct file *file)
+static int isp1362_open(struct inode *inode, struct file *file)
{
- return single_open(file, proc_isp1362_show, PDE(inode)->data);
+ return single_open(file, isp1362_show, inode);
}
-static const struct file_operations proc_ops = {
- .open = proc_isp1362_open,
+static const struct file_operations debug_ops = {
+ .open = isp1362_open,
.read = seq_read,
.llseek = seq_lseek,
.release = single_release,
};
/* expect just one isp1362_hcd per system */
-static const char proc_filename[] = "driver/isp1362";
-
static void create_debug_file(struct isp1362_hcd *isp1362_hcd)
{
- struct proc_dir_entry *pde;
-
- pde = create_proc_entry(proc_filename, 0, NULL);
- if (pde == NULL) {
- pr_warning("%s: Failed to create debug file '%s'\n", __func__, proc_filename);
- return;
- }
-
- pde->proc_fops = &proc_ops;
- pde->data = isp1362_hcd;
- isp1362_hcd->pde = pde;
+ isp1362_hcd->debug_file = debugfs_create_file("isp1362", S_IRUGO,
+ usb_debug_root,
+ isp1362_hcd, &debug_ops);
}
static void remove_debug_file(struct isp1362_hcd *isp1362_hcd)
{
- if (isp1362_hcd->pde)
- remove_proc_entry(proc_filename, NULL);
+ debugfs_remove(isp1362_hcd->debug_file);
}
-#endif
-
/*-------------------------------------------------------------------------*/
static void __isp1362_sw_reset(struct isp1362_hcd *isp1362_hcd)
@@ -2360,7 +2324,7 @@ static int isp1362_hc_reset(struct usb_hcd *hcd)
unsigned long flags;
int clkrdy = 0;
- pr_info("%s:\n", __func__);
+ pr_debug("%s:\n", __func__);
if (isp1362_hcd->board && isp1362_hcd->board->reset) {
isp1362_hcd->board->reset(hcd->self.controller, 1);
@@ -2397,7 +2361,7 @@ static void isp1362_hc_stop(struct usb_hcd *hcd)
unsigned long flags;
u32 tmp;
- pr_info("%s:\n", __func__);
+ pr_debug("%s:\n", __func__);
del_timer_sync(&hcd->rh_timer);
@@ -2525,7 +2489,7 @@ static int isp1362_hc_start(struct usb_hcd *hcd)
u16 chipid;
unsigned long flags;
- pr_info("%s:\n", __func__);
+ pr_debug("%s:\n", __func__);
spin_lock_irqsave(&isp1362_hcd->lock, flags);
chipid = isp1362_read_reg16(isp1362_hcd, HCCHIPID);
@@ -2648,7 +2612,7 @@ static struct hc_driver isp1362_hc_driver = {
/*-------------------------------------------------------------------------*/
-static int __devexit isp1362_remove(struct platform_device *pdev)
+static int isp1362_remove(struct platform_device *pdev)
{
struct usb_hcd *hcd = platform_get_drvdata(pdev);
struct isp1362_hcd *isp1362_hcd = hcd_to_isp1362_hcd(hcd);
@@ -2683,7 +2647,7 @@ static int __devexit isp1362_remove(struct platform_device *pdev)
return 0;
}
-static int __devinit isp1362_probe(struct platform_device *pdev)
+static int isp1362_probe(struct platform_device *pdev)
{
struct usb_hcd *hcd;
struct isp1362_hcd *isp1362_hcd;
@@ -2695,6 +2659,9 @@ static int __devinit isp1362_probe(struct platform_device *pdev)
struct resource *irq_res;
unsigned int irq_flags = 0;
+ if (usb_disabled())
+ return -ENODEV;
+
/* basic sanity checks first. board-specific init logic should
* have initialized this the three resources and probably board
* specific platform_data. we don't probe for IRQs, and do only
@@ -2757,7 +2724,7 @@ static int __devinit isp1362_probe(struct platform_device *pdev)
INIT_LIST_HEAD(&isp1362_hcd->periodic);
INIT_LIST_HEAD(&isp1362_hcd->isoc);
INIT_LIST_HEAD(&isp1362_hcd->remove_list);
- isp1362_hcd->board = pdev->dev.platform_data;
+ isp1362_hcd->board = dev_get_platdata(&pdev->dev);
#if USE_PLATFORM_DELAY
if (!isp1362_hcd->board->delay) {
dev_err(hcd->self.controller, "No platform delay function given\n");
@@ -2775,9 +2742,11 @@ static int __devinit isp1362_probe(struct platform_device *pdev)
if (irq_res->flags & IORESOURCE_IRQ_LOWLEVEL)
irq_flags |= IRQF_TRIGGER_LOW;
- retval = usb_add_hcd(hcd, irq, irq_flags | IRQF_DISABLED | IRQF_SHARED);
+ retval = usb_add_hcd(hcd, irq, irq_flags | IRQF_SHARED);
if (retval != 0)
goto err6;
+ device_wakeup_enable(hcd->self.controller);
+
pr_info("%s, irq %d\n", hcd->product_desc, irq);
create_debug_file(isp1362_hcd);
@@ -2856,29 +2825,14 @@ static int isp1362_resume(struct platform_device *pdev)
static struct platform_driver isp1362_driver = {
.probe = isp1362_probe,
- .remove = __devexit_p(isp1362_remove),
+ .remove = isp1362_remove,
.suspend = isp1362_suspend,
.resume = isp1362_resume,
.driver = {
- .name = (char *)hcd_name,
+ .name = hcd_name,
.owner = THIS_MODULE,
},
};
-/*-------------------------------------------------------------------------*/
-
-static int __init isp1362_init(void)
-{
- if (usb_disabled())
- return -ENODEV;
- pr_info("driver %s, %s\n", hcd_name, DRIVER_VERSION);
- return platform_driver_register(&isp1362_driver);
-}
-module_init(isp1362_init);
-
-static void __exit isp1362_cleanup(void)
-{
- platform_driver_unregister(&isp1362_driver);
-}
-module_exit(isp1362_cleanup);
+module_platform_driver(isp1362_driver);
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-11-10 02:36:19 +0000