The patch titled DM9000: restore MII physical polling timer has been added to the -mm tree. Its filename is dm9000-restore-mii-physical-polling-timer.patch Before you just go and hit "reply", please: a) Consider who else should be cc'ed b) Prefer to cc a suitable mailing list as well c) Ideally: find the original patch on the mailing list and do a reply-to-all to that, adding suitable additional cc's *** Remember to use Documentation/SubmitChecklist when testing your code *** See http://www.zip.com.au/~akpm/linux/patches/stuff/added-to-mm.txt to find out what to do about this The current -mm tree may be found at http://userweb.kernel.org/~akpm/mmotm/ ------------------------------------------------------ Subject: DM9000: restore MII physical polling timer From: Michael Abbott <michael.abbott@xxxxxxxxxxxxx> In commit fcfa81aa3e8d885356139122fcb281487b983468 the timer for polling the MII physical layer was removed because of conflicts with newly added mutexes. Unfortunately a side effect of this change is that the corresponding ethernet layer is permanently reported as down: there is no other way to read the link status. This commit restores the timer, but uses the default work queue for polling. Signed-off-by: Michael Abbott <michael.abbott@xxxxxxxxxxxxx> Cc: Daniel Mack <daniel@xxxxxxxxx> Cc: Russell King <rmk@xxxxxxxxxxxxxxxx> Cc: Jeff Garzik <jeff@xxxxxxxxxx> Cc: Ben Dooks <ben-linux@xxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- drivers/net/dm9000.c | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+) diff -puN drivers/net/dm9000.c~dm9000-restore-mii-physical-polling-timer drivers/net/dm9000.c --- a/drivers/net/dm9000.c~dm9000-restore-mii-physical-polling-timer +++ a/drivers/net/dm9000.c @@ -43,6 +43,7 @@ /* Board/System/Debug information/definition ---------------- */ #define DM9000_PHY 0x40 /* PHY address 0x01 */ +#define DM9000_TIMER_WUT (HZ*2) /* timer wakeup time : 2 second */ #define CARDNAME "dm9000" #define PFX CARDNAME ": " @@ -117,6 +118,8 @@ typedef struct board_info { struct mutex addr_lock; /* phy and eeprom access lock */ + struct delayed_work timer; /* Interface status timer. */ + spinlock_t lock; struct mii_if_info mii; @@ -144,6 +147,7 @@ static int dm9000_start_xmit(struct sk_b static int dm9000_stop(struct net_device *); static int dm9000_ioctl(struct net_device *dev, struct ifreq *req, int cmd); +static void dm9000_timer(struct work_struct * work); static void dm9000_init_dm9000(struct net_device *); static irqreturn_t dm9000_interrupt(int, void *); @@ -762,6 +766,10 @@ dm9000_open(struct net_device *dev) mii_check_media(&db->mii, netif_msg_link(db), 1); netif_start_queue(dev); + /* Start the media status timer running. */ + INIT_DELAYED_WORK(&db->timer, dm9000_timer); + schedule_delayed_work(&db->timer, DM9000_TIMER_WUT); + return 0; } @@ -876,6 +884,9 @@ dm9000_stop(struct net_device *ndev) { board_info_t *db = (board_info_t *) ndev->priv; + /* Delete the timer and make sure it's not running right now! */ + cancel_delayed_work_sync(&db->timer); + if (netif_msg_ifdown(db)) dev_dbg(db->dev, "shutting down %s\n", ndev->name); @@ -965,6 +976,16 @@ dm9000_interrupt(int irq, void *dev_id) return IRQ_HANDLED; } + +/* Two second timer to poll the media status -- the DM9000 doesn't provide a + * status interrupt, so this has to be polled. */ +static void dm9000_timer(struct work_struct * work) +{ + board_info_t *db = container_of(work, board_info_t, timer); + mii_check_media(&db->mii, netif_msg_link(db), 0); + schedule_delayed_work(&db->timer, DM9000_TIMER_WUT); +} + struct dm9000_rxhdr { u8 RxPktReady; u8 RxStatus; _ Patches currently in -mm which might be from michael.abbott@xxxxxxxxxxxxx are dm9000-restore-mii-physical-polling-timer.patch colibri-fix-support-for-dm9000-ethernet-device.patch colibri-fix-support-for-dm9000-ethernet-device-fix.patch -- To unsubscribe from this list: send the line "unsubscribe mm-commits" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html