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USB event poll support

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This patch adds USB event poll support, which could be used in usbkbd
and other usb devices driver when the asynchronous interrupt
processing is supported.

Signed-off-by: Zhang Wei <wei.zhang@freescale.com
This commit is contained in:
Zhang Wei
2007-06-06 10:08:13 +02:00
committed by Markus Klotzbuecher
parent 9a1d00fa47
commit fdcfaa1b02
3 changed files with 9 additions and 1 deletions
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6
common/usb_kbd.c
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@@ -129,7 +129,11 @@ static int usb_kbd_testc(void)
static int usb_kbd_getc(void)
{
char c;
while(usb_in_pointer==usb_out_pointer);
while(usb_in_pointer==usb_out_pointer) {
#ifdef CFG_USB_EVENT_POLL
usb_event_poll();
#endif
}
if((usb_out_pointer+1)==USB_KBD_BUFFER_LEN)
usb_out_pointer=0;
else