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authorGrant Grundler <grundler@parisc-linux.org>2008-02-17 11:30:23 -0700
committerJeff Garzik <jeff@garzik.org>2008-02-23 23:55:03 -0500
commit7a7d23dac29825a75e375800573d53e49d864a42 (patch)
treeec96df83459e857efcabfe4624f2a74c39ec4001 /drivers/net/tulip
parent740db6d7f5bf194abf327613a5a500e3729fc19a (diff)
uli526x partially recognizing interface
Patch fixes: http://bugzilla.kernel.org/show_bug.cgi?id=5839 Init sequence needs to poll phy until phy reset is complete. This is the same problem that I fixed in 2002 in tulip driver. Thanks to manty@manty.net for testing this patch. Thanks to Pozsar Balazs <pozsy@uhulinux.hu> for posting/testing a similar patch before: http://lkml.org/lkml/2006/8/21/45 Signed-off-by: Grant Grundler <grundler@parisc-linux.org> Signed-off-by: Jeff Garzik <jeff@garzik.org>
Diffstat (limited to 'drivers/net/tulip')
-rw-r--r--drivers/net/tulip/uli526x.c12
1 files changed, 11 insertions, 1 deletions
diff --git a/drivers/net/tulip/uli526x.c b/drivers/net/tulip/uli526x.c
index a7afeea156b..a59c1f224aa 100644
--- a/drivers/net/tulip/uli526x.c
+++ b/drivers/net/tulip/uli526x.c
@@ -482,9 +482,11 @@ static void uli526x_init(struct net_device *dev)
struct uli526x_board_info *db = netdev_priv(dev);
unsigned long ioaddr = db->ioaddr;
u8 phy_tmp;
+ u8 timeout;
u16 phy_value;
u16 phy_reg_reset;
+
ULI526X_DBUG(0, "uli526x_init()", 0);
/* Reset M526x MAC controller */
@@ -509,11 +511,19 @@ static void uli526x_init(struct net_device *dev)
/* Parser SROM and media mode */
db->media_mode = uli526x_media_mode;
- /* Phyxcer capability setting */
+ /* phyxcer capability setting */
phy_reg_reset = phy_read(db->ioaddr, db->phy_addr, 0, db->chip_id);
phy_reg_reset = (phy_reg_reset | 0x8000);
phy_write(db->ioaddr, db->phy_addr, 0, phy_reg_reset, db->chip_id);
+
+ /* See IEEE 802.3-2002.pdf (Section 2, Chapter "22.2.4 Management
+ * functions") or phy data sheet for details on phy reset
+ */
udelay(500);
+ timeout = 10;
+ while (timeout-- &&
+ phy_read(db->ioaddr, db->phy_addr, 0, db->chip_id) & 0x8000)
+ udelay(100);
/* Process Phyxcer Media Mode */
uli526x_set_phyxcer(db);