diff options
Diffstat (limited to 'drivers/net/wireless/libertas/if_spi.c')
| -rw-r--r-- | drivers/net/wireless/libertas/if_spi.c | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/drivers/net/wireless/libertas/if_spi.c b/drivers/net/wireless/libertas/if_spi.c index 06a46d7b3d6..6564282ce47 100644 --- a/drivers/net/wireless/libertas/if_spi.c +++ b/drivers/net/wireless/libertas/if_spi.c @@ -812,7 +812,6 @@ out: static void if_spi_e2h(struct if_spi_card *card) { int err = 0; - unsigned long flags; u32 cause; struct lbs_private *priv = card->priv; @@ -827,10 +826,7 @@ static void if_spi_e2h(struct if_spi_card *card) /* generate a card interrupt */ spu_write_u16(card, IF_SPI_CARD_INT_CAUSE_REG, IF_SPI_CIC_HOST_EVENT); - spin_lock_irqsave(&priv->driver_lock, flags); lbs_queue_event(priv, cause & 0xff); - spin_unlock_irqrestore(&priv->driver_lock, flags); - out: if (err) lbs_pr_err("%s: error %d\n", __func__, err); @@ -875,7 +871,12 @@ static int lbs_spi_thread(void *data) err = if_spi_c2h_data(card); if (err) goto err; - if (hiStatus & IF_SPI_HIST_CMD_DOWNLOAD_RDY) { + + /* workaround: in PS mode, the card does not set the Command + * Download Ready bit, but it sets TX Download Ready. */ + if (hiStatus & IF_SPI_HIST_CMD_DOWNLOAD_RDY || + (card->priv->psstate != PS_STATE_FULL_POWER && + (hiStatus & IF_SPI_HIST_TX_DOWNLOAD_RDY))) { /* This means two things. First of all, * if there was a previous command sent, the card has * successfully received it. |