diff options
Diffstat (limited to 'drivers/usb/host/sl811-hcd.c')
-rw-r--r-- | drivers/usb/host/sl811-hcd.c | 109 |
1 files changed, 53 insertions, 56 deletions
diff --git a/drivers/usb/host/sl811-hcd.c b/drivers/usb/host/sl811-hcd.c index b2ec7fe758dd..5477bf5df218 100644 --- a/drivers/usb/host/sl811-hcd.c +++ b/drivers/usb/host/sl811-hcd.c @@ -48,6 +48,8 @@ #include <linux/usb/hcd.h> #include <linux/platform_device.h> #include <linux/prefetch.h> +#include <linux/debugfs.h> +#include <linux/seq_file.h> #include <asm/io.h> #include <asm/irq.h> @@ -63,11 +65,6 @@ MODULE_ALIAS("platform:sl811-hcd"); #define DRIVER_VERSION "19 May 2005" - -#ifndef DEBUG -# define STUB_DEBUG_FILE -#endif - /* for now, use only one transfer register bank */ #undef USE_B @@ -100,7 +97,8 @@ static void port_power(struct sl811 *sl811, int is_on) if (sl811->board && sl811->board->port_power) { /* switch VBUS, at 500mA unless hub power budget gets set */ - DBG("power %s\n", is_on ? "on" : "off"); + dev_dbg(hcd->self.controller, "power %s\n", + is_on ? "on" : "off"); sl811->board->port_power(hcd->self.controller, is_on); } @@ -282,7 +280,7 @@ static inline void sofirq_on(struct sl811 *sl811) { if (sl811->irq_enable & SL11H_INTMASK_SOFINTR) return; - VDBG("sof irq on\n"); + dev_dbg(sl811_to_hcd(sl811)->self.controller, "sof irq on\n"); sl811->irq_enable |= SL11H_INTMASK_SOFINTR; } @@ -290,7 +288,7 @@ static inline void sofirq_off(struct sl811 *sl811) { if (!(sl811->irq_enable & SL11H_INTMASK_SOFINTR)) return; - VDBG("sof irq off\n"); + dev_dbg(sl811_to_hcd(sl811)->self.controller, "sof irq off\n"); sl811->irq_enable &= ~SL11H_INTMASK_SOFINTR; } @@ -338,7 +336,8 @@ static struct sl811h_ep *start(struct sl811 *sl811, u8 bank) } if (unlikely(list_empty(&ep->hep->urb_list))) { - DBG("empty %p queue?\n", ep); + dev_dbg(sl811_to_hcd(sl811)->self.controller, + "empty %p queue?\n", ep); return NULL; } @@ -391,7 +390,8 @@ static struct sl811h_ep *start(struct sl811 *sl811, u8 bank) status_packet(sl811, ep, urb, bank, control); break; default: - DBG("bad ep%p pid %02x\n", ep, ep->nextpid); + dev_dbg(sl811_to_hcd(sl811)->self.controller, + "bad ep%p pid %02x\n", ep, ep->nextpid); ep = NULL; } return ep; @@ -447,7 +447,8 @@ static void finish_request( } /* periodic deschedule */ - DBG("deschedule qh%d/%p branch %d\n", ep->period, ep, ep->branch); + dev_dbg(sl811_to_hcd(sl811)->self.controller, + "deschedule qh%d/%p branch %d\n", ep->period, ep, ep->branch); for (i = ep->branch; i < PERIODIC_SIZE; i += ep->period) { struct sl811h_ep *temp; struct sl811h_ep **prev = &sl811->periodic[i]; @@ -593,7 +594,8 @@ static inline u8 checkdone(struct sl811 *sl811) ctl = sl811_read(sl811, SL811_EP_A(SL11H_HOSTCTLREG)); if (ctl & SL11H_HCTLMASK_ARM) sl811_write(sl811, SL811_EP_A(SL11H_HOSTCTLREG), 0); - DBG("%s DONE_A: ctrl %02x sts %02x\n", + dev_dbg(sl811_to_hcd(sl811)->self.controller, + "%s DONE_A: ctrl %02x sts %02x\n", (ctl & SL11H_HCTLMASK_ARM) ? "timeout" : "lost", ctl, sl811_read(sl811, SL811_EP_A(SL11H_PKTSTATREG))); @@ -604,7 +606,8 @@ static inline u8 checkdone(struct sl811 *sl811) ctl = sl811_read(sl811, SL811_EP_B(SL11H_HOSTCTLREG)); if (ctl & SL11H_HCTLMASK_ARM) sl811_write(sl811, SL811_EP_B(SL11H_HOSTCTLREG), 0); - DBG("%s DONE_B: ctrl %02x sts %02x\n", + dev_dbg(sl811_to_hcd(sl811)->self.controller, + "%s DONE_B: ctrl %02x sts %02x\n", (ctl & SL11H_HCTLMASK_ARM) ? "timeout" : "lost", ctl, sl811_read(sl811, SL811_EP_B(SL11H_PKTSTATREG))); @@ -665,7 +668,7 @@ retry: * this one has nothing scheduled. */ if (sl811->next_periodic) { - // ERR("overrun to slot %d\n", index); + // dev_err(hcd->self.controller, "overrun to slot %d\n", index); sl811->stat_overrun++; } if (sl811->periodic[index]) @@ -723,7 +726,7 @@ retry: } else if (irqstat & SL11H_INTMASK_RD) { if (sl811->port1 & USB_PORT_STAT_SUSPEND) { - DBG("wakeup\n"); + dev_dbg(hcd->self.controller, "wakeup\n"); sl811->port1 |= USB_PORT_STAT_C_SUSPEND << 16; sl811->stat_wake++; } else @@ -852,8 +855,9 @@ static int sl811h_urb_enqueue( if (ep->maxpacket > H_MAXPACKET) { /* iso packets up to 240 bytes could work... */ - DBG("dev %d ep%d maxpacket %d\n", - udev->devnum, epnum, ep->maxpacket); + dev_dbg(hcd->self.controller, + "dev %d ep%d maxpacket %d\n", udev->devnum, + epnum, ep->maxpacket); retval = -EINVAL; kfree(ep); goto fail; @@ -917,7 +921,8 @@ static int sl811h_urb_enqueue( * to share the faster parts of the tree without needing * dummy/placeholder nodes */ - DBG("schedule qh%d/%p branch %d\n", ep->period, ep, ep->branch); + dev_dbg(hcd->self.controller, "schedule qh%d/%p branch %d\n", + ep->period, ep, ep->branch); for (i = ep->branch; i < PERIODIC_SIZE; i += ep->period) { struct sl811h_ep **prev = &sl811->periodic[i]; struct sl811h_ep *here = *prev; @@ -976,7 +981,8 @@ static int sl811h_urb_dequeue(struct usb_hcd *hcd, struct urb *urb, int status) } else if (sl811->active_a == ep) { if (time_before_eq(sl811->jiffies_a, jiffies)) { /* happens a lot with lowspeed?? */ - DBG("giveup on DONE_A: ctrl %02x sts %02x\n", + dev_dbg(hcd->self.controller, + "giveup on DONE_A: ctrl %02x sts %02x\n", sl811_read(sl811, SL811_EP_A(SL11H_HOSTCTLREG)), sl811_read(sl811, @@ -990,7 +996,8 @@ static int sl811h_urb_dequeue(struct usb_hcd *hcd, struct urb *urb, int status) } else if (sl811->active_b == ep) { if (time_before_eq(sl811->jiffies_a, jiffies)) { /* happens a lot with lowspeed?? */ - DBG("giveup on DONE_B: ctrl %02x sts %02x\n", + dev_dbg(hcd->self.controller, + "giveup on DONE_B: ctrl %02x sts %02x\n", sl811_read(sl811, SL811_EP_B(SL11H_HOSTCTLREG)), sl811_read(sl811, @@ -1008,7 +1015,8 @@ static int sl811h_urb_dequeue(struct usb_hcd *hcd, struct urb *urb, int status) if (urb) finish_request(sl811, ep, urb, 0); else - VDBG("dequeue, urb %p active %s; wait4irq\n", urb, + dev_dbg(sl811_to_hcd(sl811)->self.controller, + "dequeue, urb %p active %s; wait4irq\n", urb, (sl811->active_a == ep) ? "A" : "B"); } else retval = -EINVAL; @@ -1029,7 +1037,7 @@ sl811h_endpoint_disable(struct usb_hcd *hcd, struct usb_host_endpoint *hep) if (!list_empty(&hep->urb_list)) msleep(3); if (!list_empty(&hep->urb_list)) - WARNING("ep %p not empty?\n", ep); + dev_warn(hcd->self.controller, "ep %p not empty?\n", ep); kfree(ep); hep->hcpriv = NULL; @@ -1132,7 +1140,7 @@ sl811h_timer(unsigned long _sl811) switch (signaling) { case SL11H_CTL1MASK_SE0: - DBG("end reset\n"); + dev_dbg(sl811_to_hcd(sl811)->self.controller, "end reset\n"); sl811->port1 = (USB_PORT_STAT_C_RESET << 16) | USB_PORT_STAT_POWER; sl811->ctrl1 = 0; @@ -1141,11 +1149,12 @@ sl811h_timer(unsigned long _sl811) irqstat &= ~SL11H_INTMASK_RD; break; case SL11H_CTL1MASK_K: - DBG("end resume\n"); + dev_dbg(sl811_to_hcd(sl811)->self.controller, "end resume\n"); sl811->port1 &= ~USB_PORT_STAT_SUSPEND; break; default: - DBG("odd timer signaling: %02x\n", signaling); + dev_dbg(sl811_to_hcd(sl811)->self.controller, + "odd timer signaling: %02x\n", signaling); break; } sl811_write(sl811, SL11H_IRQ_STATUS, irqstat); @@ -1243,7 +1252,7 @@ sl811h_hub_control( break; /* 20 msec of resume/K signaling, other irqs blocked */ - DBG("start resume...\n"); + dev_dbg(hcd->self.controller, "start resume...\n"); sl811->irq_enable = 0; sl811_write(sl811, SL11H_IRQ_ENABLE, sl811->irq_enable); @@ -1281,7 +1290,8 @@ sl811h_hub_control( #ifndef VERBOSE if (*(u16*)(buf+2)) /* only if wPortChange is interesting */ #endif - DBG("GetPortStatus %08x\n", sl811->port1); + dev_dbg(hcd->self.controller, "GetPortStatus %08x\n", + sl811->port1); break; case SetPortFeature: if (wIndex != 1 || wLength != 0) @@ -1293,7 +1303,7 @@ sl811h_hub_control( if (!(sl811->port1 & USB_PORT_STAT_ENABLE)) goto error; - DBG("suspend...\n"); + dev_dbg(hcd->self.controller,"suspend...\n"); sl811->ctrl1 &= ~SL11H_CTL1MASK_SOF_ENA; sl811_write(sl811, SL11H_CTLREG1, sl811->ctrl1); break; @@ -1338,7 +1348,7 @@ static int sl811h_bus_suspend(struct usb_hcd *hcd) { // SOFs off - DBG("%s\n", __func__); + dev_dbg(hcd->self.controller, "%s\n", __func__); return 0; } @@ -1346,7 +1356,7 @@ static int sl811h_bus_resume(struct usb_hcd *hcd) { // SOFs on - DBG("%s\n", __func__); + dev_dbg(hcd->self.controller, "%s\n", __func__); return 0; } @@ -1360,16 +1370,6 @@ sl811h_bus_resume(struct usb_hcd *hcd) /*-------------------------------------------------------------------------*/ -#ifdef STUB_DEBUG_FILE - -static inline void create_debug_file(struct sl811 *sl811) { } -static inline void remove_debug_file(struct sl811 *sl811) { } - -#else - -#include <linux/proc_fs.h> -#include <linux/seq_file.h> - static void dump_irq(struct seq_file *s, char *label, u8 mask) { seq_printf(s, "%s %02x%s%s%s%s%s%s\n", label, mask, @@ -1381,7 +1381,7 @@ static void dump_irq(struct seq_file *s, char *label, u8 mask) (mask & SL11H_INTMASK_DP) ? " dp" : ""); } -static int proc_sl811h_show(struct seq_file *s, void *unused) +static int sl811h_show(struct seq_file *s, void *unused) { struct sl811 *sl811 = s->private; struct sl811h_ep *ep; @@ -1492,34 +1492,31 @@ static int proc_sl811h_show(struct seq_file *s, void *unused) return 0; } -static int proc_sl811h_open(struct inode *inode, struct file *file) +static int sl811h_open(struct inode *inode, struct file *file) { - return single_open(file, proc_sl811h_show, PDE_DATA(inode)); + return single_open(file, sl811h_show, inode->i_private); } -static const struct file_operations proc_ops = { - .open = proc_sl811h_open, +static const struct file_operations debug_ops = { + .open = sl811h_open, .read = seq_read, .llseek = seq_lseek, .release = single_release, }; /* expect just one sl811 per system */ -static const char proc_filename[] = "driver/sl811h"; - static void create_debug_file(struct sl811 *sl811) { - sl811->pde = proc_create_data(proc_filename, 0, NULL, &proc_ops, sl811); + sl811->debug_file = debugfs_create_file("sl811h", S_IRUGO, + usb_debug_root, sl811, + &debug_ops); } static void remove_debug_file(struct sl811 *sl811) { - if (sl811->pde) - remove_proc_entry(proc_filename, NULL); + debugfs_remove(sl811->debug_file); } -#endif - /*-------------------------------------------------------------------------*/ static void @@ -1648,7 +1645,7 @@ sl811h_probe(struct platform_device *dev) /* refuse to confuse usbcore */ if (dev->dev.dma_mask) { - DBG("no we won't dma\n"); + dev_dbg(&dev->dev, "no we won't dma\n"); return -EINVAL; } @@ -1694,7 +1691,7 @@ sl811h_probe(struct platform_device *dev) spin_lock_init(&sl811->lock); INIT_LIST_HEAD(&sl811->async); - sl811->board = dev->dev.platform_data; + sl811->board = dev_get_platdata(&dev->dev); init_timer(&sl811->timer); sl811->timer.function = sl811h_timer; sl811->timer.data = (unsigned long) sl811; @@ -1716,7 +1713,7 @@ sl811h_probe(struct platform_device *dev) break; default: /* reject case 0, SL11S is less functional */ - DBG("chiprev %02x\n", tmp); + dev_dbg(&dev->dev, "chiprev %02x\n", tmp); retval = -ENXIO; goto err6; } @@ -1747,7 +1744,7 @@ sl811h_probe(struct platform_device *dev) if (!ioaddr) iounmap(addr_reg); err2: - DBG("init error, %d\n", retval); + dev_dbg(&dev->dev, "init error, %d\n", retval); return retval; } |