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Commit ea2d0639 authored by andrey@cozybit.com's avatar andrey@cozybit.com Committed by John W. Linville
Browse files

libertas: fix GSPI card event handling 



The GPSI interface driver does not re-enable the Card Event Interrupt, which
causes problems after a card event (for example: link-loss) comes in.  This
can lead, for example, to the card failing to re-associate.  This patch
ensures that we re-enable the Card Event Interrupt when we handle card events.

Signed-off-by: default avatarAndrey Yurovsky <andrey@cozybit.com>
Acked-by: default avatarDan Williams <dcbw@redhat.com>
Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
parent 4ef699fb

drivers/net/wireless/libertas/if_spi.c

+7 −0
Original line number Diff line number Diff line
@@ -814,6 +814,13 @@ static void if_spi_e2h(struct if_spi_card *card) 
	if (err)

		goto out;



	/* re-enable the card event interrupt */

	spu_write_u16(card, IF_SPI_HOST_INT_STATUS_REG,

			~IF_SPI_HICU_CARD_EVENT);



	/* 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);