On Wed, Nov 29, 2017 at 5:37 PM, Chris Brandt <chris.bra...@renesas.com> wrote:
> @@ -308,13 +308,10 @@ static int send_setup_packet(struct r8a66597 *r8a66597,
> struct usb_device *dev,
> #if defined(CONFIG_RZA_USB)
> dcpctr = r8a66597_read(r8a66597, DCPCTR);
> if ((dcpctr & PID) == PID_BUF) {
> - timeout2 = 10000;
> - while (!(dcpctr & BSTS)) {
> - dcpctr = r8a66597_read(r8a66597, DCPCTR);
> - if (timeout2-- < 0) {
> - printf("DCPCTR clear timeout!\n");
> - break;
> - }
> + if (readw_poll_timeout(r8a66597->reg + DCPCTR, dcpctr,
> + dcpctr & BSTS, 1000) < 0) {
> + printf("DCPCTR BSTS timeout!\n");
> + return -1;
What about returning -ETIMEDOUT instead?
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