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libertas: provide reset_card() callback on OLPC

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Signed-off-by: David Woodhouse <dwmw2@infradead.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
David Woodhouse 2008-05-20 16:48:52 +01:00 committed by John W. Linville
parent 04dea136b0
commit b77ec4caef
1 changed files with 22 additions and 0 deletions
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22
drivers/net/wireless/libertas/if_usb.c
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@ -7,6 +7,10 @@
#include <linux/netdevice.h>
#include <linux/usb.h>
#ifdef CONFIG_OLPC
#include <asm/olpc.h>
#endif
#define DRV_NAME "usb8xxx"
#include "host.h"
@ -146,6 +150,14 @@ static void if_usb_fw_timeo(unsigned long priv)
wake_up(&cardp->fw_wq);
}
#ifdef CONFIG_OLPC
static void if_usb_reset_olpc_card(struct lbs_private *priv)
{
printk(KERN_CRIT "Resetting OLPC wireless via EC...\n");
olpc_ec_cmd(0x25, NULL, 0, NULL, 0);
}
#endif
/**
* @brief sets the configuration values
* @param ifnum interface number
@ -231,6 +243,11 @@ static int if_usb_probe(struct usb_interface *intf,
cardp->priv->fw_ready = 1;
priv->hw_host_to_card = if_usb_host_to_card;
#ifdef CONFIG_OLPC
if (machine_is_olpc())
priv->reset_card = if_usb_reset_olpc_card;
#endif
cardp->boot2_version = udev->descriptor.bcdDevice;
if_usb_submit_rx_urb(cardp);
@ -364,6 +381,11 @@ static int if_usb_reset_device(struct if_usb_card *cardp)
ret = usb_reset_device(cardp->udev);
msleep(100);
#ifdef CONFIG_OLPC
if (ret && machine_is_olpc())
if_usb_reset_olpc_card(NULL);
#endif
lbs_deb_leave_args(LBS_DEB_USB, "ret %d", ret);
return ret;