Commit fae4f9f7 authored by Andreas Kemnade's avatar Andreas Kemnade Committed by Kalle Valo
Browse files

libertas: check whether bus can do more than polling 



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: default avatarAndreas Kemnade <andreas@kemnade.info>
Signed-off-by: default avatarKalle Valo <kvalo@codeaurora.org>
parent 0a7701b4

drivers/net/wireless/marvell/libertas/dev.h

+1 −0
Original line number Diff line number Diff line
@@ -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;

drivers/net/wireless/marvell/libertas/if_sdio.c

+1 −1
Original line number Diff line number Diff line
@@ -1267,7 +1267,7 @@ 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;

drivers/net/wireless/marvell/libertas/if_usb.c

+1 −0
Original line number Diff line number Diff line
@@ -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;

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