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Clarify comment and clean up a bit (FS#10227 by Tomer Shalev)

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@21055 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Frank Gevaerts 2009-05-23 14:50:30 +00:00
parent 08fb988e87
commit 7557d5679d
1 changed files with 6 additions and 7 deletions
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13
firmware/target/arm/usb-drv-arc.c
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@ -829,12 +829,11 @@ int usb_drv_request_endpoint(int type, int dir)
return -1;
}
log_ep(ep_num, ep_dir, "add");
endpoint->allocated[ep_dir] = 1;
endpoint->type[ep_dir] = ep_type;
log_ep(ep_num, ep_dir, "got");
log_ep(ep_num, ep_dir, "add");
return (ep_num | (dir & USB_ENDPOINT_DIR_MASK));
}
@ -998,13 +997,13 @@ static void init_endpoints(void)
for(ep_num=1;ep_num<USB_NUM_ENDPOINTS;ep_num++) {
usb_endpoint_t *endpoint = &endpoints[ep_num];
/* manual: 32.9.5.18 (Caution) */
if (!endpoint->allocated[DIR_OUT]) {
/* manual: 32.9.5.18 (Caution): Leaving an unconfigured endpoint control
* will cause undefined behavior for the data pid tracking on the active
* endpoint/direction. */
if (!endpoint->allocated[DIR_OUT])
endpoint->type[DIR_OUT] = USB_ENDPOINT_XFER_BULK;
}
if (!endpoint->allocated[DIR_IN]) {
if (!endpoint->allocated[DIR_IN])
endpoint->type[DIR_IN] = USB_ENDPOINT_XFER_BULK;
}
REG_ENDPTCTRL(ep_num) =
EPCTRL_RX_DATA_TOGGLE_RST | EPCTRL_RX_ENABLE |