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usb_kbd: Add support for watchdog

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There is need to service watchdog in while loop or system will be
restarted when idlying.

Signed-off-by: Michal Simek <michal.simek@xilinx.com>
This commit is contained in:
Michal Simek
2018-06-27 14:16:54 +02:00
parent b4f015845a
commit f8f3e0e539
1 changed files with 4 additions and 1 deletions
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5
common/usb_kbd.c
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@ -13,6 +13,7 @@
#include <malloc.h>
#include <memalign.h>
#include <stdio_dev.h>
#include <watchdog.h>
#include <asm/byteorder.h>
#include <usb.h>
@ -387,8 +388,10 @@ static int usb_kbd_getc(struct stdio_dev *sdev)
usb_kbd_dev = (struct usb_device *)dev->priv;
data = usb_kbd_dev->privptr;
while (data->usb_in_pointer == data->usb_out_pointer)
while (data->usb_in_pointer == data->usb_out_pointer) {
WATCHDOG_RESET();
usb_kbd_poll_for_event(usb_kbd_dev);
}
if (data->usb_out_pointer == USB_KBD_BUFFER_LEN - 1)
data->usb_out_pointer = 0;