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usb: udc: receive 1 SETUP packet in BDMA mode

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This commit is contained in:
lyz
2014-08-05 09:06:13 +08:00
parent 66db73c14b
commit dff8dc932f
2 changed files with 2 additions and 16 deletions
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2
drivers/usb/dwc_otg_310/dwc_otg_cil.c
View File

@@ -4686,7 +4686,7 @@ void dwc_otg_ep0_start_transfer(dwc_otg_core_if_t *core_if, dwc_ep_t *ep)
deptsiz.b.xfersize = ep->maxpacket;
deptsiz.b.pktcnt = 1;
if (core_if->snpsid >= OTG_CORE_REV_3_00a)
deptsiz.b.supcnt = 3;
deptsiz.b.supcnt = 1;
DWC_DEBUGPL(DBG_PCDV, "len=%d xfersize=%d pktcnt=%d\n",
ep->xfer_len, deptsiz.b.xfersize, deptsiz.b.pktcnt);

16
drivers/usb/dwc_otg_310/dwc_otg_pcd_intr.c
View File

@@ -745,7 +745,7 @@ static inline void ep0_out_start(dwc_otg_core_if_t *core_if,
}
}
doeptsize0.b.supcnt = 3;
doeptsize0.b.supcnt = 1;
doeptsize0.b.pktcnt = 1;
doeptsize0.b.xfersize = 8 * 3;
@@ -1834,20 +1834,6 @@ static inline void pcd_setup(dwc_otg_pcd_t *pcd)
doeptsize0.d32 = DWC_READ_REG32(&dev_if->out_ep_regs[0]->doeptsiz);
/** In BDMA more then 1 setup packet is not supported till 3.00a */
if (core_if->dma_enable && core_if->dma_desc_enable == 0
&& (doeptsize0.b.supcnt < 2)
&& (core_if->snpsid < OTG_CORE_REV_2_94a)) {
DWC_ERROR
("\n\n----------- CANNOT handle > 1 setup packet in DMA mode\n\n");
}
if ((core_if->snpsid >= OTG_CORE_REV_3_00a)
&& (core_if->dma_enable == 1) && (core_if->dma_desc_enable == 0)) {
ctrl =
(pcd->setup_pkt +
(3 - doeptsize0.b.supcnt - 1 +
ep0->dwc_ep.stp_rollover))->req;
}
#ifdef DEBUG_EP0
DWC_DEBUGPL(DBG_PCD, "SETUP %02x.%02x v%04x i%04x l%04x\n",
ctrl.bmRequestType, ctrl.bRequest,