Changeset f712a85 in mainline

Timestamp:

2018-04-12T16:54:19Z (6 years ago)

Author:

Jakub Jermar <jakub@…>

Branches:

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

Children:

8ebe212

Parents:

36470ce8

git-author:

Jakub Jermar <jakub@…> (2018-04-12 16:46:47)

git-committer:

Jakub Jermar <jakub@…> (2018-04-12 16:54:19)

Message:

rtl8139: Add a note about the hardcoded address

File:

• uspace/drv/nic/rtl8139/driver.c (modified) (1 diff)

uspace/drv/nic/rtl8139/driver.c

@@ -201 +201 @@
             ddf_dev_parent_sess_get(nic_get_ddf_dev(rtl8139->nic_data));
 
+        // XXX: According to the RTL8139C(L) Rev.1.4 datasheet, the entire PCI
+        // Power Management data structure is located at a fixed address 0x50 so
+        // that PME_Status and PME_En find themselves at address 0x55. It would
+        // be more flexible though to locate the data structure by searching
+        // the PCI function's capability list.
         if (bit_val) {
                 uint8_t pmen;