void sd_int_dpc(struct adapter *adapter) { struct hal_com_data *hal; struct dvobj_priv *dvobj; struct intf_hdl *intfhdl = &adapter->iopriv.intf; struct pwrctrl_priv *pwrctl; hal = GET_HAL_DATA(adapter); dvobj = adapter_to_dvobj(adapter); pwrctl = dvobj_to_pwrctl(dvobj); if (hal->sdio_hisr & SDIO_HISR_AVAL) { u8 freepage[4]; _sdio_local_read(adapter, SDIO_REG_FREE_TXPG, 4, freepage); up(&(adapter->xmitpriv.xmit_sema)); } if (hal->sdio_hisr & SDIO_HISR_CPWM1) { struct reportpwrstate_parm report; u8 bcancelled; _cancel_timer(&(pwrctl->pwr_rpwm_timer), &bcancelled); report.state = SdioLocalCmd52Read1Byte(adapter, SDIO_REG_HCPWM1_8723B); /* cpwm_int_hdl(adapter, &report); */ _set_workitem(&(pwrctl->cpwm_event)); } if (hal->sdio_hisr & SDIO_HISR_TXERR) { u8 *status; u32 addr; status = rtw_malloc(4); if (status) { addr = REG_TXDMA_STATUS; HalSdioGetCmdAddr8723BSdio(adapter, WLAN_IOREG_DEVICE_ID, addr, &addr); _sd_read(intfhdl, addr, 4, status); _sd_write(intfhdl, addr, 4, status); DBG_8192C("%s: SDIO_HISR_TXERR (0x%08x)\n", __func__, le32_to_cpu(*(u32 *)status)); kfree(status); } else { DBG_8192C("%s: SDIO_HISR_TXERR, but can't allocate memory to read status!\n", __func__); } } if (hal->sdio_hisr & SDIO_HISR_TXBCNOK) { DBG_8192C("%s: SDIO_HISR_TXBCNOK\n", __func__); } if (hal->sdio_hisr & SDIO_HISR_TXBCNERR) { DBG_8192C("%s: SDIO_HISR_TXBCNERR\n", __func__); } #ifndef CONFIG_C2H_PACKET_EN if (hal->sdio_hisr & SDIO_HISR_C2HCMD) { struct c2h_evt_hdr_88xx *c2h_evt; DBG_8192C("%s: C2H Command\n", __func__); c2h_evt = rtw_zmalloc(16); if (c2h_evt != NULL) { if (rtw_hal_c2h_evt_read(adapter, (u8 *)c2h_evt) == _SUCCESS) { if (c2h_id_filter_ccx_8723b((u8 *)c2h_evt)) { /* Handle CCX report here */ rtw_hal_c2h_handler(adapter, (u8 *)c2h_evt); kfree((u8 *)c2h_evt); } else { rtw_c2h_wk_cmd(adapter, (u8 *)c2h_evt); } } } else { /* Error handling for malloc fail */ if (rtw_cbuf_push(adapter->evtpriv.c2h_queue, NULL) != _SUCCESS) DBG_871X("%s rtw_cbuf_push fail\n", __func__); _set_workitem(&adapter->evtpriv.c2h_wk); } } #endif if (hal->sdio_hisr & SDIO_HISR_RXFOVW) { DBG_8192C("%s: Rx Overflow\n", __func__); } if (hal->sdio_hisr & SDIO_HISR_RXERR) { DBG_8192C("%s: Rx Error\n", __func__); } if (hal->sdio_hisr & SDIO_HISR_RX_REQUEST) { struct recv_buf *recvbuf; int alloc_fail_time = 0; u32 hisr; /* DBG_8192C("%s: RX Request, size =%d\n", __func__, hal->SdioRxFIFOSize); */ hal->sdio_hisr ^= SDIO_HISR_RX_REQUEST; do { hal->SdioRxFIFOSize = SdioLocalCmd52Read2Byte(adapter, SDIO_REG_RX0_REQ_LEN); if (hal->SdioRxFIFOSize != 0) { recvbuf = sd_recv_rxfifo(adapter, hal->SdioRxFIFOSize); if (recvbuf) sd_rxhandler(adapter, recvbuf); else { alloc_fail_time++; DBG_871X("recvbuf is Null for %d times because alloc memory failed\n", alloc_fail_time); if (alloc_fail_time >= 10) break; } hal->SdioRxFIFOSize = 0; } else break; hisr = 0; ReadInterrupt8723BSdio(adapter, &hisr); hisr &= SDIO_HISR_RX_REQUEST; if (!hisr) break; } while (1); if (alloc_fail_time == 10) DBG_871X("exit because alloc memory failed more than 10 times\n"); } }
void sd_int_dpc(PADAPTER padapter) { HAL_DATA_TYPE *pHalData = GET_HAL_DATA(padapter); struct intf_hdl * pintfhdl=&padapter->iopriv.intf; if (pHalData->sdio_hisr & SDIO_HISR_CPWM1) { struct reportpwrstate_parm report; #ifdef CONFIG_USING_CMD52_READ_INT report.state = SdioLocalCmd52Read1Byte(padapter,SDIO_REG_HCPWM1); #else //CONFIG_USING_CMD52_READ_INT _sdio_local_read(padapter, SDIO_REG_HCPWM1, 1, &report.state); #endif #ifdef CONFIG_LPS_LCLK //88e's cpwm value only change BIT0, so driver need to add PS_STATE_S2 for LPS flow. //modify by Thomas. 2012/4/2. #ifdef CONFIG_EXT_CLK //for sprd if(report.state & BIT(4)) //indicate FW entering 32k { u8 chk_cnt = 0; do{ if(_sdio_read8(padapter, 0x90)&BIT(0))//FW in 32k already { struct pwrctrl_priv *pwrpriv = adapter_to_pwrctl(padapter); if(pwrpriv->rpwm < PS_STATE_S2) { //DBG_871X("disable ext clk when FW in LPS-32K already!\n"); EnableGpio5ClockReq(padapter, _TRUE, 0); } break; } chk_cnt++; }while(chk_cnt<10); if(chk_cnt==10) { DBG_871X("polling fw in 32k already, fail!\n"); } } else //indicate fw leaving 32K #endif //CONFIG_EXT_CLK { report.state |= PS_STATE_S2; //cpwm_int_hdl(padapter, &report); _set_workitem(&(adapter_to_pwrctl(padapter)->cpwm_event)); } #endif } #ifdef CONFIG_WOWLAN if (pHalData->sdio_hisr & SDIO_HISR_CPWM2) { u32 value; value = rtw_read32(padapter, SDIO_LOCAL_BASE+SDIO_REG_HISR); DBG_871X_LEVEL(_drv_always_, "Reset SDIO HISR(0x%08x) original:0x%08x\n", SDIO_LOCAL_BASE+SDIO_REG_HISR, value); value |= BIT19; rtw_write32(padapter, SDIO_LOCAL_BASE+SDIO_REG_HISR, value); value = rtw_read8(padapter, SDIO_LOCAL_BASE+SDIO_REG_HIMR+2); DBG_871X_LEVEL(_drv_always_, "Reset SDIO HIMR CPWM2(0x%08x) original:0x%02x\n", SDIO_LOCAL_BASE+SDIO_REG_HIMR + 2, value); } #endif if (pHalData->sdio_hisr & SDIO_HISR_TXERR) { u8 *status; u32 addr; status = rtw_malloc(4); if (status) { addr = REG_TXDMA_STATUS; HalSdioGetCmdAddr8723ASdio(padapter, WLAN_IOREG_DEVICE_ID, addr, &addr); _sd_read(pintfhdl, addr, 4, status); _sd_write(pintfhdl, addr, 4, status); DBG_8192C("%s: SDIO_HISR_TXERR (0x%08x)\n", __func__, le32_to_cpu(*(u32*)status)); rtw_mfree(status, 4); } else { DBG_8192C("%s: SDIO_HISR_TXERR, but can't allocate memory to read status!\n", __func__); } } #ifdef CONFIG_INTERRUPT_BASED_TXBCN #ifdef CONFIG_INTERRUPT_BASED_TXBCN_EARLY_INT if (pHalData->sdio_hisr & SDIO_HISR_BCNERLY_INT) #endif #ifdef CONFIG_INTERRUPT_BASED_TXBCN_BCN_OK_ERR if (pHalData->sdio_hisr & (SDIO_HISR_TXBCNOK|SDIO_HISR_TXBCNERR)) #endif { struct mlme_priv *pmlmepriv = &padapter->mlmepriv; #if 0 //for debug if (pHalData->sdio_hisr & SDIO_HISR_BCNERLY_INT) DBG_8192C("%s: SDIO_HISR_BCNERLY_INT\n", __func__); if (pHalData->sdio_hisr & SDIO_HISR_TXBCNOK) DBG_8192C("%s: SDIO_HISR_TXBCNOK\n", __func__); if (pHalData->sdio_hisr & SDIO_HISR_TXBCNERR) DBG_8192C("%s: SDIO_HISR_TXBCNERR\n", __func__); #endif if(check_fwstate(pmlmepriv, WIFI_AP_STATE)) { //send_beacon(padapter); if(pmlmepriv->update_bcn == _TRUE) { //tx_beacon_hdl(padapter, NULL); set_tx_beacon_cmd(padapter); } } #ifdef CONFIG_CONCURRENT_MODE if(check_buddy_fwstate(padapter, WIFI_AP_STATE)) { //send_beacon(padapter); if(padapter->pbuddy_adapter->mlmepriv.update_bcn == _TRUE) { //tx_beacon_hdl(padapter, NULL); set_tx_beacon_cmd(padapter->pbuddy_adapter); } } #endif } #endif //CONFIG_INTERRUPT_BASED_TXBCN #ifdef CONFIG_EXT_CLK if (pHalData->sdio_hisr & SDIO_HISR_BCNERLY_INT) { struct mlme_priv *pmlmepriv = &padapter->mlmepriv; if(check_fwstate(pmlmepriv, _FW_LINKED) && check_fwstate(pmlmepriv, WIFI_STATION_STATE)) { //DBG_8192C("BCNERLY_INT for enabling ext clk\n"); EnableGpio5ClockReq(padapter, _TRUE, 1); } } #endif //CONFIG_EXT_CLK if (pHalData->sdio_hisr & SDIO_HISR_C2HCMD) { DBG_8192C("%s: C2H Command\n", __func__); } if (pHalData->sdio_hisr & SDIO_HISR_RX_REQUEST) { struct recv_buf *precvbuf; #ifdef CONFIG_USING_CMD52_READ_INT u32 hisr; //DBG_8192C("%s: RX Request, size=%d\n", __func__, phal->SdioRxFIFOSize); pHalData->sdio_hisr ^= SDIO_HISR_RX_REQUEST; #ifdef CONFIG_MAC_LOOPBACK_DRIVER sd_recv_loopback(padapter, pHalData->SdioRxFIFOSize); #else do { pHalData->SdioRxFIFOSize = SdioLocalCmd52Read2Byte(padapter, SDIO_REG_RX0_REQ_LEN); if(pHalData->SdioRxFIFOSize != 0) { precvbuf = sd_recv_rxfifo(padapter, pHalData->SdioRxFIFOSize); pHalData->SdioRxFIFOSize = 0; if (precvbuf) sd_rxhandler(padapter, precvbuf); else break; } else { DBG_871X("%s, WARNING!!, SdioRxFIFOSize = 0!!\n", __func__); break; } hisr = 0; ReadInterrupt8188ESdio(padapter, &hisr); hisr &= SDIO_HISR_RX_REQUEST; if (!hisr) break; #ifdef CONFIG_SDIO_DISABLE_RXFIFO_POLLING_LOOP } while (0); #else } while (1); #endif //CONFIG_SDIO_DISABLE_RXFIFO_POLLING_LOOP #endif //CONFIG_MAC_LOOPBACK_DRIVER #else //!CONFIG_USING_CMD52_READ_INT //DBG_8192C("%s: RX Request, size=%d\n", __func__, phal->SdioRxFIFOSize); pHalData->sdio_hisr ^= SDIO_HISR_RX_REQUEST; #ifdef CONFIG_MAC_LOOPBACK_DRIVER sd_recv_loopback(padapter, pHalData->SdioRxFIFOSize); #else do { //Sometimes rx length will be zero. driver need to use cmd53 read again. if(pHalData->SdioRxFIFOSize == 0) { u8 data[4]; _sdio_local_read(padapter, SDIO_REG_RX0_REQ_LEN, 4, data); pHalData->SdioRxFIFOSize = le16_to_cpu(*(u16*)data); } if(pHalData->SdioRxFIFOSize) { precvbuf = sd_recv_rxfifo(padapter, pHalData->SdioRxFIFOSize); pHalData->SdioRxFIFOSize = 0; if (precvbuf) sd_rxhandler(padapter, precvbuf); else break; } else break; #ifdef CONFIG_SDIO_DISABLE_RXFIFO_POLLING_LOOP } while (0); #else } while (1);
void sd_int_dpc(PADAPTER padapter) { PHAL_DATA_TYPE phal; struct dvobj_priv *dvobj; struct intf_hdl * pintfhdl=&padapter->iopriv.intf; struct pwrctrl_priv *pwrctl; phal = GET_HAL_DATA(padapter); dvobj = adapter_to_dvobj(padapter); pwrctl = dvobj_to_pwrctl(dvobj); #ifdef CONFIG_SDIO_TX_ENABLE_AVAL_INT if (phal->sdio_hisr & SDIO_HISR_AVAL) { //_irqL irql; u8 freepage[4]; _sdio_local_read(padapter, SDIO_REG_FREE_TXPG, 4, freepage); //_enter_critical_bh(&phal->SdioTxFIFOFreePageLock, &irql); //_rtw_memcpy(phal->SdioTxFIFOFreePage, freepage, 4); //_exit_critical_bh(&phal->SdioTxFIFOFreePageLock, &irql); //DBG_871X("SDIO_HISR_AVAL, Tx Free Page = 0x%x%x%x%x\n", // freepage[0], // freepage[1], // freepage[2], // freepage[3]); _rtw_up_sema(&(padapter->xmitpriv.xmit_sema)); } #endif if (phal->sdio_hisr & SDIO_HISR_CPWM1) { struct reportpwrstate_parm report; #ifdef CONFIG_LPS_RPWM_TIMER u8 bcancelled; _cancel_timer(&(pwrctl->pwr_rpwm_timer), &bcancelled); #endif // CONFIG_LPS_RPWM_TIMER report.state = SdioLocalCmd52Read1Byte(padapter, SDIO_REG_HCPWM1_8723B); #ifdef CONFIG_LPS_LCLK //cpwm_int_hdl(padapter, &report); _set_workitem(&(pwrctl->cpwm_event)); #endif } if (phal->sdio_hisr & SDIO_HISR_TXERR) { u8 *status; u32 addr; status = rtw_malloc(4); if (status) { addr = REG_TXDMA_STATUS; HalSdioGetCmdAddr8723BSdio(padapter, WLAN_IOREG_DEVICE_ID, addr, &addr); _sd_read(pintfhdl, addr, 4, status); _sd_write(pintfhdl, addr, 4, status); DBG_8192C("%s: SDIO_HISR_TXERR (0x%08x)\n", __func__, le32_to_cpu(*(u32*)status)); rtw_mfree(status, 4); } else { DBG_8192C("%s: SDIO_HISR_TXERR, but can't allocate memory to read status!\n", __func__); } } if (phal->sdio_hisr & SDIO_HISR_TXBCNOK) { DBG_8192C("%s: SDIO_HISR_TXBCNOK\n", __func__); } if (phal->sdio_hisr & SDIO_HISR_TXBCNERR) { DBG_8192C("%s: SDIO_HISR_TXBCNERR\n", __func__); } #ifndef CONFIG_C2H_PACKET_EN if (phal->sdio_hisr & SDIO_HISR_C2HCMD) { struct c2h_evt_hdr_88xx *c2h_evt; DBG_8192C("%s: C2H Command\n", __func__); if ((c2h_evt = (struct c2h_evt_hdr_88xx*)rtw_zmalloc(16)) != NULL) { if (rtw_hal_c2h_evt_read(padapter, (u8 *)c2h_evt) == _SUCCESS) { if (c2h_id_filter_ccx_8723b((u8 *)c2h_evt)) { /* Handle CCX report here */ rtw_hal_c2h_handler(padapter, (u8 *)c2h_evt); rtw_mfree((u8*)c2h_evt, 16); } else { rtw_c2h_wk_cmd(padapter, (u8 *)c2h_evt); } } } else { /* Error handling for malloc fail */ if (rtw_cbuf_push(padapter->evtpriv.c2h_queue, (void*)NULL) != _SUCCESS) DBG_871X("%s rtw_cbuf_push fail\n", __func__); _set_workitem(&padapter->evtpriv.c2h_wk); } } #endif if (phal->sdio_hisr & SDIO_HISR_RXFOVW) { DBG_8192C("%s: Rx Overflow\n", __func__); } if (phal->sdio_hisr & SDIO_HISR_RXERR) { DBG_8192C("%s: Rx Error\n", __func__); } if (phal->sdio_hisr & SDIO_HISR_RX_REQUEST) { struct recv_buf *precvbuf; int alloc_fail_time=0; u32 hisr; // DBG_8192C("%s: RX Request, size=%d\n", __func__, phal->SdioRxFIFOSize); phal->sdio_hisr ^= SDIO_HISR_RX_REQUEST; do { phal->SdioRxFIFOSize = SdioLocalCmd52Read2Byte(padapter, SDIO_REG_RX0_REQ_LEN); if (phal->SdioRxFIFOSize != 0) { #ifdef CONFIG_MAC_LOOPBACK_DRIVER sd_recv_loopback(padapter, phal->SdioRxFIFOSize); #else precvbuf = sd_recv_rxfifo(padapter, phal->SdioRxFIFOSize); if (precvbuf) sd_rxhandler(padapter, precvbuf); else { alloc_fail_time++; DBG_871X("precvbuf is Null for %d times because alloc memory failed\n", alloc_fail_time); if (alloc_fail_time >= 10) break; } phal->SdioRxFIFOSize = 0; #endif } else break; hisr = 0; ReadInterrupt8723BSdio(padapter, &hisr); hisr &= SDIO_HISR_RX_REQUEST; if (!hisr) break; } while (1); if(alloc_fail_time==10) DBG_871X("exit because alloc memory failed more than 10 times \n"); } }
void sd_int_dpc(PADAPTER padapter) { struct pwrctrl_priv *pwrpriv = adapter_to_pwrctl(padapter); HAL_DATA_TYPE *pHalData = GET_HAL_DATA(padapter); struct intf_hdl * pintfhdl=&padapter->iopriv.intf; #ifdef CONFIG_SDIO_TX_ENABLE_AVAL_INT if (pHalData->sdio_hisr & SDIO_HISR_AVAL) { //_irqL irql; u8 freepage[4]; _sdio_local_read(padapter, SDIO_REG_FREE_TXPG, 4, freepage); //_enter_critical_bh(&pHalData->SdioTxFIFOFreePageLock, &irql); //_rtw_memcpy(pHalData->SdioTxFIFOFreePage, freepage, 4); //_exit_critical_bh(&pHalData->SdioTxFIFOFreePageLock, &irql); //DBG_871X("SDIO_HISR_AVAL, Tx Free Page = 0x%x%x%x%x\n", // freepage[0], // freepage[1], // freepage[2], // freepage[3]); _rtw_up_sema(&(padapter->xmitpriv.xmit_sema)); } #endif if (pHalData->sdio_hisr & SDIO_HISR_CPWM1) { struct reportpwrstate_parm report; #ifdef CONFIG_LPS_RPWM_TIMER u8 bcancelled; _cancel_timer(&(adapter_to_pwrctl(padapter)->pwr_rpwm_timer), &bcancelled); #endif // CONFIG_LPS_RPWM_TIMER _sdio_local_read(padapter, SDIO_REG_HCPWM1, 1, &report.state); #ifdef CONFIG_LPS_LCLK //88e's cpwm value only change BIT0, so driver need to add PS_STATE_S2 for LPS flow. //modify by Thomas. 2012/4/2. #ifdef CONFIG_EXT_CLK //for sprd if(report.state & BIT(4)) //indicate FW entering 32k { u8 chk_cnt = 0; do{ if(_sdio_read8(padapter, 0x90)&BIT(0))//FW in 32k already { if(pwrpriv->rpwm < PS_STATE_S2) { //DBG_871X("disable ext clk when FW in LPS-32K already!\n"); EnableGpio5ClockReq(padapter, _TRUE, 0); } break; } chk_cnt++; }while(chk_cnt<10); if(chk_cnt==10) { DBG_871X("polling fw in 32k already, fail!\n"); } } else //indicate fw leaving 32K #endif //CONFIG_EXT_CLK { report.state |= PS_STATE_S2; //cpwm_int_hdl(padapter, &report); _set_workitem(&(pwrpriv->cpwm_event)); } #endif } #ifdef CONFIG_WOWLAN if (pHalData->sdio_hisr & SDIO_HISR_CPWM2) { u32 value; value = rtw_read32(padapter, SDIO_LOCAL_BASE+SDIO_REG_HISR); DBG_871X_LEVEL(_drv_always_, "Reset SDIO HISR(0x%08x) original:0x%08x\n", SDIO_LOCAL_BASE+SDIO_REG_HISR, value); value |= BIT19; rtw_write32(padapter, SDIO_LOCAL_BASE+SDIO_REG_HISR, value); value = rtw_read8(padapter, SDIO_LOCAL_BASE+SDIO_REG_HIMR+2); DBG_871X_LEVEL(_drv_always_, "Reset SDIO HIMR CPWM2(0x%08x) original:0x%02x\n", SDIO_LOCAL_BASE+SDIO_REG_HIMR + 2, value); } #endif if (pHalData->sdio_hisr & SDIO_HISR_TXERR) { u8 *status; u32 addr; status = rtw_malloc(4); if (status) { addr = REG_TXDMA_STATUS; HalSdioGetCmdAddr8723ASdio(padapter, WLAN_IOREG_DEVICE_ID, addr, &addr); _sd_read(pintfhdl, addr, 4, status); _sd_write(pintfhdl, addr, 4, status); DBG_8192C("%s: SDIO_HISR_TXERR (0x%08x)\n", __func__, le32_to_cpu(*(u32*)status)); rtw_mfree(status, 4); } else { DBG_8192C("%s: SDIO_HISR_TXERR, but can't allocate memory to read status!\n", __func__); } } #ifdef CONFIG_INTERRUPT_BASED_TXBCN #ifdef CONFIG_INTERRUPT_BASED_TXBCN_EARLY_INT if (pHalData->sdio_hisr & SDIO_HISR_BCNERLY_INT) #endif #ifdef CONFIG_INTERRUPT_BASED_TXBCN_BCN_OK_ERR if (pHalData->sdio_hisr & (SDIO_HISR_TXBCNOK|SDIO_HISR_TXBCNERR)) #endif { struct mlme_priv *pmlmepriv = &padapter->mlmepriv; #if 0 //for debug if (pHalData->sdio_hisr & SDIO_HISR_BCNERLY_INT) DBG_8192C("%s: SDIO_HISR_BCNERLY_INT\n", __func__); if (pHalData->sdio_hisr & SDIO_HISR_TXBCNOK) DBG_8192C("%s: SDIO_HISR_TXBCNOK\n", __func__); if (pHalData->sdio_hisr & SDIO_HISR_TXBCNERR) DBG_8192C("%s: SDIO_HISR_TXBCNERR\n", __func__); #endif if(check_fwstate(pmlmepriv, WIFI_AP_STATE)) { //send_beacon(padapter); if(pmlmepriv->update_bcn == _TRUE) { //tx_beacon_hdl(padapter, NULL); set_tx_beacon_cmd(padapter); } } #ifdef CONFIG_CONCURRENT_MODE if(check_buddy_fwstate(padapter, WIFI_AP_STATE)) { //send_beacon(padapter); if(padapter->pbuddy_adapter->mlmepriv.update_bcn == _TRUE) { //tx_beacon_hdl(padapter, NULL); set_tx_beacon_cmd(padapter->pbuddy_adapter); } } #endif } #endif //CONFIG_INTERRUPT_BASED_TXBCN #ifdef CONFIG_EXT_CLK if (pHalData->sdio_hisr & SDIO_HISR_BCNERLY_INT) { struct mlme_priv *pmlmepriv = &padapter->mlmepriv; if(check_fwstate(pmlmepriv, _FW_LINKED) && check_fwstate(pmlmepriv, WIFI_STATION_STATE)) { //DBG_8192C("BCNERLY_INT for enabling ext clk\n"); EnableGpio5ClockReq(padapter, _TRUE, 1); } } #endif //CONFIG_EXT_CLK if (pHalData->sdio_hisr & SDIO_HISR_C2HCMD) { DBG_8192C("%s: C2H Command\n", __func__); } if (pHalData->sdio_hisr & SDIO_HISR_RX_REQUEST) { struct recv_buf *precvbuf; int alloc_fail_time=0; u32 hisr; //DBG_8192C("%s: RX Request, size=%d\n", __func__, phal->SdioRxFIFOSize); pHalData->sdio_hisr ^= SDIO_HISR_RX_REQUEST; do { pHalData->SdioRxFIFOSize = SdioLocalCmd52Read2Byte(padapter, SDIO_REG_RX0_REQ_LEN); if (pHalData->SdioRxFIFOSize != 0) { #ifdef CONFIG_MAC_LOOPBACK_DRIVER sd_recv_loopback(padapter, pHalData->SdioRxFIFOSize); #else precvbuf = sd_recv_rxfifo(padapter, pHalData->SdioRxFIFOSize); if (precvbuf) sd_rxhandler(padapter, precvbuf); else { alloc_fail_time++; DBG_871X("precvbuf is Null for %d times because alloc memory failed\n", alloc_fail_time); if (alloc_fail_time >= 10) break; } pHalData->SdioRxFIFOSize = 0; #endif } else break; hisr = 0; ReadInterrupt8188ESdio(padapter, &hisr); hisr &= SDIO_HISR_RX_REQUEST; if (!hisr) break; #ifdef CONFIG_SDIO_DISABLE_RXFIFO_POLLING_LOOP } while (0); #else } while (1); #endif if(alloc_fail_time==10) DBG_871X("exit because alloc memory failed more than 10 times \n"); }