diff options
| author | Zhang Yan <b34916@freescale.com> | 2011-01-25 16:31:00 +0800 |
|---|---|---|
| committer | Alan Tull <alan.tull@freescale.com> | 2011-02-03 16:45:07 -0600 |
| commit | a4e6f5dba3859e6ae5261d07577ac3c5dc883234 (patch) | |
| tree | 591dfaee6561b7b52da3b68c2ee97cc1edf64f60 | |
| parent | 22b4f6339b794ec8b0985dbf4da6d3615118f891 (diff) | |
ENGR00138477 USB: perfect usb debug file
Open usb clock before view usb debug file. avoid system hang when view
usb debug information in suspend state.
Signed-off-by: Zhang Yan <b34916@freescale.com>
| -rw-r--r-- | drivers/usb/gadget/arcotg_udc.c | 10 | ||||
| -rw-r--r-- | drivers/usb/otg/fsl_otg.c | 3 |
2 files changed, 8 insertions, 5 deletions
diff --git a/drivers/usb/gadget/arcotg_udc.c b/drivers/usb/gadget/arcotg_udc.c index 4e9e356c4611..d1f9af2675b5 100644 --- a/drivers/usb/gadget/arcotg_udc.c +++ b/drivers/usb/gadget/arcotg_udc.c @@ -2391,6 +2391,7 @@ static int fsl_proc_read(char *page, char **start, off_t off, int count, if (off != 0) return 0; + dr_clk_gate(true); spin_lock_irqsave(&udc->lock, flags); /* ------basic driver infomation ---- */ @@ -2613,12 +2614,13 @@ static int fsl_proc_read(char *page, char **start, off_t off, int count, req->req.length, req->req.buf); size -= t; next += t; - } /* end for each_entry of ep req */ - } /* end for else */ - } /* end for if(ep->queue) */ - } /* end (ep->desc) */ + } /* end for each_entry of ep req */ + } /* end for else */ + } /* end for if(ep->queue) */ + } /* end (ep->desc) */ spin_unlock_irqrestore(&udc->lock, flags); + dr_clk_gate(false); *eof = 1; return count - size; diff --git a/drivers/usb/otg/fsl_otg.c b/drivers/usb/otg/fsl_otg.c index 9fe5eb7ae8ed..51f1df4b0531 100644 --- a/drivers/usb/otg/fsl_otg.c +++ b/drivers/usb/otg/fsl_otg.c @@ -1088,6 +1088,7 @@ static int otg_proc_read(char *page, char **start, off_t off, int count, if (off != 0) return 0; + fsl_otg_clk_gate(true); spin_lock_irqsave(&fsm->lock, flags); /* ------basic driver infomation ---- */ @@ -1192,8 +1193,8 @@ static int otg_proc_read(char *page, char **start, off_t off, int count, size -= t; next += t; #endif - spin_unlock_irqrestore(&fsm->lock, flags); + fsl_otg_clk_gate(false); *eof = 1; return count - size; |