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authorZhang Wei <wei.zhang@freescale.com>2007-06-06 10:08:13 +0200
committerMarkus Klotzbuecher <mk@pollux.denx.de>2007-06-06 10:08:13 +0200
commitfdcfaa1b02268b2899e374b35adf936c911a47eb (patch)
tree7d0f9122da78789b93f1c2758c6e5e8c14867c76 /common/usb_kbd.c
parent9a1d00fa47c1e05e3fdb60b33213af4e18d4c18e (diff)
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USB event poll support
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
Diffstat (limited to 'common/usb_kbd.c')
-rw-r--r--common/usb_kbd.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/common/usb_kbd.c b/common/usb_kbd.c
index 56c2166..aec558a 100644
--- a/common/usb_kbd.c
+++ b/common/usb_kbd.c
@@ -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