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path: root/drivers/usb/host/fotg210-hcd.c
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Diffstat (limited to 'drivers/usb/host/fotg210-hcd.c')
-rw-r--r--drivers/usb/host/fotg210-hcd.c96
1 files changed, 14 insertions, 82 deletions
diff --git a/drivers/usb/host/fotg210-hcd.c b/drivers/usb/host/fotg210-hcd.c
index 55486bd23cf..98a89d16cc3 100644
--- a/drivers/usb/host/fotg210-hcd.c
+++ b/drivers/usb/host/fotg210-hcd.c
@@ -56,12 +56,9 @@
static const char hcd_name[] = "fotg210_hcd";
-#undef VERBOSE_DEBUG
#undef FOTG210_URB_TRACE
-#ifdef DEBUG
#define FOTG210_STATS
-#endif
/* magic numbers that can affect system performance */
#define FOTG210_TUNE_CERR 3 /* 0-3 qtd retries; 0 == don't stop */
@@ -107,14 +104,6 @@ MODULE_PARM_DESC(hird, "host initiated resume duration, +1 for each 75us");
#define fotg210_warn(fotg210, fmt, args...) \
dev_warn(fotg210_to_hcd(fotg210)->self.controller , fmt , ## args)
-#ifdef VERBOSE_DEBUG
-# define fotg210_vdbg fotg210_dbg
-#else
- static inline void fotg210_vdbg(struct fotg210_hcd *fotg210, ...) {}
-#endif
-
-#ifdef DEBUG
-
/* check the values in the HCSPARAMS register
* (host controller _Structural_ parameters)
* see EHCI spec, Table 2-4 for each value
@@ -129,13 +118,6 @@ static void dbg_hcs_params(struct fotg210_hcd *fotg210, char *label)
HCS_N_PORTS(params)
);
}
-#else
-
-static inline void dbg_hcs_params(struct fotg210_hcd *fotg210, char *label) {}
-
-#endif
-
-#ifdef DEBUG
/* check the values in the HCCPARAMS register
* (host controller _Capability_ parameters)
@@ -152,13 +134,6 @@ static void dbg_hcc_params(struct fotg210_hcd *fotg210, char *label)
HCC_PGM_FRAMELISTLEN(params) ? "256/512/1024" : "1024",
HCC_CANPARK(params) ? " park" : "");
}
-#else
-
-static inline void dbg_hcc_params(struct fotg210_hcd *fotg210, char *label) {}
-
-#endif
-
-#ifdef DEBUG
static void __maybe_unused
dbg_qtd(const char *label, struct fotg210_hcd *fotg210, struct fotg210_qtd *qtd)
@@ -272,8 +247,8 @@ dbg_command_buf(char *buf, unsigned len, const char *label, u32 command)
);
}
-static int
-dbg_port_buf(char *buf, unsigned len, const char *label, int port, u32 status)
+static char
+*dbg_port_buf(char *buf, unsigned len, const char *label, int port, u32 status)
{
char *sig;
@@ -293,7 +268,7 @@ dbg_port_buf(char *buf, unsigned len, const char *label, int port, u32 status)
break;
}
- return scnprintf(buf, len,
+ scnprintf(buf, len,
"%s%sport:%d status %06x %d "
"sig=%s%s%s%s%s%s%s%s",
label, label[0] ? " " : "", port, status,
@@ -306,31 +281,9 @@ dbg_port_buf(char *buf, unsigned len, const char *label, int port, u32 status)
(status & PORT_PE) ? " PE" : "",
(status & PORT_CSC) ? " CSC" : "",
(status & PORT_CONNECT) ? " CONNECT" : "");
+ return buf;
}
-#else
-static inline void __maybe_unused
-dbg_qh(char *label, struct fotg210_hcd *fotg210, struct fotg210_qh *qh)
-{}
-
-static inline int __maybe_unused
-dbg_status_buf(char *buf, unsigned len, const char *label, u32 status)
-{ return 0; }
-
-static inline int __maybe_unused
-dbg_command_buf(char *buf, unsigned len, const char *label, u32 command)
-{ return 0; }
-
-static inline int __maybe_unused
-dbg_intr_buf(char *buf, unsigned len, const char *label, u32 enable)
-{ return 0; }
-
-static inline int __maybe_unused
-dbg_port_buf(char *buf, unsigned len, const char *label, int port, u32 status)
-{ return 0; }
-
-#endif /* DEBUG */
-
/* functions have the "wrong" filename when they're output... */
#define dbg_status(fotg210, label, status) { \
char _buf[80]; \
@@ -346,19 +299,11 @@ dbg_port_buf(char *buf, unsigned len, const char *label, int port, u32 status)
#define dbg_port(fotg210, label, port, status) { \
char _buf[80]; \
- dbg_port_buf(_buf, sizeof(_buf), label, port, status); \
- fotg210_dbg(fotg210, "%s\n", _buf); \
+ fotg210_dbg(fotg210, "%s\n", dbg_port_buf(_buf, sizeof(_buf), label, port, status) ); \
}
/*-------------------------------------------------------------------------*/
-#ifdef STUB_DEBUG_FILES
-
-static inline void create_debug_files(struct fotg210_hcd *bus) { }
-static inline void remove_debug_files(struct fotg210_hcd *bus) { }
-
-#else
-
/* troubleshooting help: expose state in debugfs */
static int debug_async_open(struct inode *, struct file *);
@@ -954,7 +899,6 @@ static inline void remove_debug_files(struct fotg210_hcd *fotg210)
debugfs_remove_recursive(fotg210->debug_dir);
}
-#endif /* STUB_DEBUG_FILES */
/*-------------------------------------------------------------------------*/
/*
@@ -1398,7 +1342,7 @@ static void fotg210_iaa_watchdog(struct fotg210_hcd *fotg210)
&fotg210->regs->status);
}
- fotg210_vdbg(fotg210, "IAA watchdog: status %x cmd %x\n",
+ fotg210_dbg(fotg210, "IAA watchdog: status %x cmd %x\n",
status, cmd);
end_unlink_async(fotg210);
}
@@ -1810,10 +1754,8 @@ static int fotg210_hub_control(
if (test_bit(wIndex, &fotg210->port_c_suspend))
status |= USB_PORT_STAT_C_SUSPEND << 16;
-#ifndef VERBOSE_DEBUG
- if (status & ~0xffff) /* only if wPortChange is interesting */
-#endif
- dbg_port(fotg210, "GetStatus", wIndex + 1, temp);
+ if (status & ~0xffff) /* only if wPortChange is interesting */
+ dbg_port(fotg210, "GetStatus", wIndex + 1, temp);
put_unaligned_le32(status, buf);
break;
case SetHubFeature:
@@ -1856,7 +1798,7 @@ static int fotg210_hub_control(
* which can be fine if this root hub has a
* transaction translator built in.
*/
- fotg210_vdbg(fotg210, "port %d reset\n", wIndex + 1);
+ fotg210_dbg(fotg210, "port %d reset\n", wIndex + 1);
temp |= PORT_RESET;
temp &= ~PORT_PE;
@@ -2274,13 +2216,12 @@ static void fotg210_clear_tt_buffer(struct fotg210_hcd *fotg210,
* Note: this routine is never called for Isochronous transfers.
*/
if (urb->dev->tt && !usb_pipeint(urb->pipe) && !qh->clearing_tt) {
-#ifdef DEBUG
struct usb_device *tt = urb->dev->tt->hub;
dev_dbg(&tt->dev,
"clear tt buffer port %d, a%d ep%d t%08x\n",
urb->dev->ttport, urb->dev->devnum,
usb_pipeendpoint(urb->pipe), token);
-#endif /* DEBUG */
+
if (urb->dev->tt->hub !=
fotg210_to_hcd(fotg210)->self.root_hub) {
if (usb_hub_clear_tt_buffer(urb) == 0)
@@ -2341,7 +2282,7 @@ static int qtd_copy_status(
status = -EPROTO;
}
- fotg210_vdbg(fotg210,
+ fotg210_dbg(fotg210,
"dev%d ep%d%s qtd token %08x --> status %d\n",
usb_pipedevice(urb->pipe),
usb_pipeendpoint(urb->pipe),
@@ -3583,11 +3524,9 @@ periodic_usecs(struct fotg210_hcd *fotg210, unsigned frame, unsigned uframe)
break;
}
}
-#ifdef DEBUG
if (usecs > fotg210->uframe_periodic_max)
fotg210_err(fotg210, "uframe %d sched overrun: %d usecs\n",
frame * 8 + uframe, usecs);
-#endif
return usecs;
}
@@ -4646,7 +4585,7 @@ static void itd_link_urb(
if (unlikely(list_empty(&stream->td_list))) {
fotg210_to_hcd(fotg210)->self.bandwidth_allocated
+= stream->bandwidth;
- fotg210_vdbg(fotg210,
+ fotg210_dbg(fotg210,
"schedule devp %s ep%d%s-iso period %d start %d.%d\n",
urb->dev->devpath, stream->bEndpointAddress & 0x0f,
(stream->bEndpointAddress & USB_DIR_IN) ? "in" : "out",
@@ -4779,7 +4718,7 @@ static bool itd_complete(struct fotg210_hcd *fotg210, struct fotg210_itd *itd)
if (unlikely(list_is_singular(&stream->td_list))) {
fotg210_to_hcd(fotg210)->self.bandwidth_allocated
-= stream->bandwidth;
- fotg210_vdbg(fotg210,
+ fotg210_dbg(fotg210,
"deschedule devp %s ep%d%s-iso\n",
dev->devpath, stream->bEndpointAddress & 0x0f,
(stream->bEndpointAddress & USB_DIR_IN) ? "in" : "out");
@@ -5444,10 +5383,8 @@ static irqreturn_t fotg210_irq(struct usb_hcd *hcd)
cmd = fotg210_readl(fotg210, &fotg210->regs->command);
bh = 0;
-#ifdef VERBOSE_DEBUG
/* unrequested/ignored: Frame List Rollover */
dbg_status(fotg210, "irq", status);
-#endif
/* INT, ERR, and IAA interrupt rates can be throttled */
@@ -5952,6 +5889,7 @@ static int fotg210_hcd_probe(struct platform_device *pdev)
dev_err(dev, "failed to add hcd with err %d\n", retval);
goto fail_add_hcd;
}
+ device_wakeup_enable(hcd->self.controller);
return retval;
@@ -6013,13 +5951,11 @@ static int __init fotg210_hcd_init(void)
sizeof(struct fotg210_qh), sizeof(struct fotg210_qtd),
sizeof(struct fotg210_itd));
-#ifdef DEBUG
fotg210_debug_root = debugfs_create_dir("fotg210", usb_debug_root);
if (!fotg210_debug_root) {
retval = -ENOENT;
goto err_debug;
}
-#endif
retval = platform_driver_register(&fotg210_hcd_driver);
if (retval < 0)
@@ -6028,11 +5964,9 @@ static int __init fotg210_hcd_init(void)
platform_driver_unregister(&fotg210_hcd_driver);
clean:
-#ifdef DEBUG
debugfs_remove(fotg210_debug_root);
fotg210_debug_root = NULL;
err_debug:
-#endif
clear_bit(USB_EHCI_LOADED, &usb_hcds_loaded);
return retval;
}
@@ -6041,9 +5975,7 @@ module_init(fotg210_hcd_init);
static void __exit fotg210_hcd_cleanup(void)
{
platform_driver_unregister(&fotg210_hcd_driver);
-#ifdef DEBUG
debugfs_remove(fotg210_debug_root);
-#endif
clear_bit(USB_EHCI_LOADED, &usb_hcds_loaded);
}
module_exit(fotg210_hcd_cleanup);
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-12-23 04:21:43 +0000