Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next-2.6 into for-davem

Conflicts:
	drivers/net/wireless/rtlwifi/pci.c
	include/linux/netlink.h

2 files changed, 37 insertions, 3 deletions

diff --git a/drivers/net/wireless/libertas/if_sdio.c b/drivers/net/wireless/libertas/if_sdio.c
index 224e9853c48..387786e1b39 100644
--- a/drivers/net/wireless/libertas/if_sdio.c
+++ b/drivers/net/wireless/libertas/if_sdio.c
@@ -892,6 +892,37 @@ static int if_sdio_reset_deep_sleep_wakeup(struct lbs_private *priv)
 
 }
 
+static struct mmc_host *reset_host;
+
+static void if_sdio_reset_card_worker(struct work_struct *work)
+{
+	/*
+	 * The actual reset operation must be run outside of lbs_thread. This
+	 * is because mmc_remove_host() will cause the device to be instantly
+	 * destroyed, and the libertas driver then needs to end lbs_thread,
+	 * leading to a deadlock.
+	 *
+	 * We run it in a workqueue totally independent from the if_sdio_card
+	 * instance for that reason.
+	 */
+
+	pr_info("Resetting card...");
+	mmc_remove_host(reset_host);
+	mmc_add_host(reset_host);
+}
+static DECLARE_WORK(card_reset_work, if_sdio_reset_card_worker);
+
+static void if_sdio_reset_card(struct lbs_private *priv)
+{
+	struct if_sdio_card *card = priv->card;
+
+	if (work_pending(&card_reset_work))
+		return;
+
+	reset_host = card->func->card->host;
+	schedule_work(&card_reset_work);
+}
+
 /*******************************************************************/
 /* SDIO callbacks                                                  */
 /*******************************************************************/
@@ -1065,6 +1096,7 @@ static int if_sdio_probe(struct sdio_func *func,
 	priv->enter_deep_sleep = if_sdio_enter_deep_sleep;
 	priv->exit_deep_sleep = if_sdio_exit_deep_sleep;
 	priv->reset_deep_sleep_wakeup = if_sdio_reset_deep_sleep_wakeup;
+	priv->reset_card = if_sdio_reset_card;
 
 	sdio_claim_host(func);
 
@@ -1301,6 +1333,8 @@ static void __exit if_sdio_exit_module(void)
 	/* Set the flag as user is removing this module. */
 	user_rmmod = 1;
 
+	cancel_work_sync(&card_reset_work);
+
 	sdio_unregister_driver(&if_sdio_driver);
 
 	lbs_deb_leave(LBS_DEB_SDIO);
diff --git a/drivers/net/wireless/libertas/if_spi.c b/drivers/net/wireless/libertas/if_spi.c
index 4fa0be9943f..e0286cfbc91 100644
--- a/drivers/net/wireless/libertas/if_spi.c
+++ b/drivers/net/wireless/libertas/if_spi.c
@@ -1034,7 +1034,6 @@ static irqreturn_t if_spi_host_interrupt(int irq, void *dev_id)
 static int if_spi_init_card(struct if_spi_card *card)
 {
 	struct lbs_private *priv = card->priv;
-	struct spi_device *spi = card->spi;
 	int err, i;
 	u32 scratch;
 	const struct firmware *helper = NULL;
@@ -1082,8 +1081,9 @@ static int if_spi_init_card(struct if_spi_card *card)
 				"attached to SPI bus_num %d, chip_select %d. "
 				"spi->max_speed_hz=%d\n",
 				card->card_id, card->card_rev,
-				spi->master->bus_num, spi->chip_select,
-				spi->max_speed_hz);
+				card->spi->master->bus_num,
+				card->spi->chip_select,
+				card->spi->max_speed_hz);
 		err = if_spi_prog_helper_firmware(card, helper);
 		if (err)
 			goto out;