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pcd_enumerate: More complete USB endpoint resetting

This commit is contained in:
Min Xu 2014-10-25 21:09:03 +02:00 committed by Harald Welte
parent 3cd467a8ef
commit 4b98ba5d1c
1 changed files with 7 additions and 9 deletions
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16
firmware/src/os/pcd_enumerate.c
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@ -114,8 +114,6 @@ static void reset_ep(unsigned int ep)
AT91PS_UDP pUDP = upcd.pUdp;
struct req_ctx *rctx;
//pUDP->UDP_CSR[ep] = AT91C_UDP_EPEDS;
atomic_set(&upcd.ep[ep].pkts_in_transit, 0);
/* free all currently transmitting contexts */
@ -127,6 +125,7 @@ static void reset_ep(unsigned int ep)
pUDP->UDP_RSTEP |= (1 << ep);
pUDP->UDP_RSTEP &= ~(1 << ep);
pUDP->UDP_CSR[ep] = AT91C_UDP_EPEDS;
upcd.ep[ep].incomplete.rctx = NULL;
}
@ -243,19 +242,18 @@ static void udp_irq(void)
DEBUGI("ENDBUSRES ");
pUDP->UDP_ICR = AT91C_UDP_ENDBUSRES;
pUDP->UDP_IER = AT91C_UDP_EPINT0;
/* reset all endpoints */
pUDP->UDP_RSTEP = (unsigned int)-1;
pUDP->UDP_RSTEP = 0;
reset_ep(0);
reset_ep(1);
reset_ep(2);
reset_ep(3);
/* Enable the function */
pUDP->UDP_FADDR = AT91C_UDP_FEN;
/* Configure endpoint 0 */
pUDP->UDP_CSR[0] = (AT91C_UDP_EPEDS | AT91C_UDP_EPTYPE_CTRL);
upcd.cur_config = 0;
upcd.state = USB_STATE_DEFAULT;
reset_ep(1);
reset_ep(2);
reset_ep(3);
#ifdef CONFIG_DFU
if (*dfu->dfu_state == DFU_STATE_appDETACH) {