Changeset 7030bc9 in mainline for uspace/drv/nic/ne2k/dp8390.c

Timestamp:

2012-07-18T21:21:57Z (12 years ago)

Author:

Jakub Jermar <jakub@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

6de2d766, 8013637, ae49252

Parents:

ae3ff9f5

Message:

Check that the CR_TXP bit in ne2k's CR register is zero after a software
reset. This makes it somewhat harder to successfully probe a
non-existent ne2k device.

File:

• uspace/drv/nic/ne2k/dp8390.c (modified) (1 diff)

uspace/drv/nic/ne2k/dp8390.c

@@ -201 +201 @@
         /* Check if the DP8390 is really there */
         uint8_t val = pio_read_8(ne2k->port + DP_CR);
-        if ((val & (CR_STP | CR_DM_ABORT)) != (CR_STP | CR_DM_ABORT))
+        if ((val & (CR_STP | CR_TXP | CR_DM_ABORT)) != (CR_STP | CR_DM_ABORT))
                 return EXDEV;