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authorMin Xu <min.xu@min-info.net>2014-10-25 21:09:03 +0200
committerHarald Welte <laforge@gnumonks.org>2014-11-11 22:30:54 +0100
commit4b98ba5d1c13aa620749997f85f24b20acf9ae69 (patch)
treeef95badf9b79035efce5143f98a3c6556ec1c14d /firmware/src
parent3cd467a8ef49a2f1d047c24a50832b5c82c405c8 (diff)
pcd_enumerate: More complete USB endpoint resetting
Diffstat (limited to 'firmware/src')
-rw-r--r--firmware/src/os/pcd_enumerate.c16
1 files changed, 7 insertions, 9 deletions
diff --git a/firmware/src/os/pcd_enumerate.c b/firmware/src/os/pcd_enumerate.c
index a886377..403cef9 100644
--- a/firmware/src/os/pcd_enumerate.c
+++ b/firmware/src/os/pcd_enumerate.c
@@ -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) {
personal git repositories of Harald Welte. Your mileage may vary