diff options
Diffstat (limited to 'drivers/staging/r8188eu/os_dep/os_intfs.c')
| -rw-r--r-- | drivers/staging/r8188eu/os_dep/os_intfs.c | 19 |
1 files changed, 16 insertions, 3 deletions
diff --git a/drivers/staging/r8188eu/os_dep/os_intfs.c b/drivers/staging/r8188eu/os_dep/os_intfs.c index 891c85b088ca..cac9553666e6 100644 --- a/drivers/staging/r8188eu/os_dep/os_intfs.c +++ b/drivers/staging/r8188eu/os_dep/os_intfs.c @@ -740,19 +740,32 @@ static void rtw_fifo_cleanup(struct adapter *adapter) { struct pwrctrl_priv *pwrpriv = &adapter->pwrctrlpriv; u8 trycnt = 100; + int res; + u32 reg; /* pause tx */ rtw_write8(adapter, REG_TXPAUSE, 0xff); /* keep sn */ - adapter->xmitpriv.nqos_ssn = rtw_read16(adapter, REG_NQOS_SEQ); + /* FIXME: return an error to caller */ + res = rtw_read16(adapter, REG_NQOS_SEQ, &adapter->xmitpriv.nqos_ssn); + if (res) + return; if (!pwrpriv->bkeepfwalive) { /* RX DMA stop */ + res = rtw_read32(adapter, REG_RXPKT_NUM, ®); + if (res) + return; + rtw_write32(adapter, REG_RXPKT_NUM, - (rtw_read32(adapter, REG_RXPKT_NUM) | RW_RELEASE_EN)); + (reg | RW_RELEASE_EN)); do { - if (!(rtw_read32(adapter, REG_RXPKT_NUM) & RXDMA_IDLE)) + res = rtw_read32(adapter, REG_RXPKT_NUM, ®); + if (res) + continue; + + if (!(reg & RXDMA_IDLE)) break; } while (trycnt--); |