@@ -99,6 +99,7 @@ struct lbs_private {
/* Hardware access */
void *card;
bool iface_running;
+ u8 is_polling; /* host has to poll the card irq */
u8 fw_ready;
u8 surpriseremoved;
u8 setup_fw_on_resume;
@@ -1271,7 +1271,7 @@ static int if_sdio_probe(struct sdio_func *func,
priv->reset_card = if_sdio_reset_card;
priv->power_save = if_sdio_power_save;
priv->power_restore = if_sdio_power_restore;
-
+ priv->is_polling = !(func->card->host->caps & MMC_CAP_SDIO_IRQ);
ret = if_sdio_power_on(card);
if (ret)
goto err_activate_card;
@@ -267,6 +267,7 @@ static int if_usb_probe(struct usb_interface *intf,
priv->enter_deep_sleep = NULL;
priv->exit_deep_sleep = NULL;
priv->reset_deep_sleep_wakeup = NULL;
+ priv->is_polling = false;
#ifdef CONFIG_OLPC
if (machine_is_olpc())
priv->reset_card = if_usb_reset_olpc_card;
If a sdio host does not support sdio irqs, polling is used instead. That has an impact on performance. Some functionality should not be enabled then. This add a variable in libertas_priv to indicate that. Signed-off-by: Andreas Kemnade <andreas@kemnade.info> --- drivers/net/wireless/libertas/dev.h | 1 + drivers/net/wireless/libertas/if_sdio.c | 2 +- drivers/net/wireless/libertas/if_usb.c | 1 + 3 files changed, 3 insertions(+), 1 deletion(-)