Changeset 4d37c42 in mainline for uspace/drv/uhci-rhd/port.c

Timestamp:

2011-02-25T17:17:58Z (14 years ago)

Author:

Jan Vesely <jano.vesely@…>

Branches:

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

Children:

013e4ca4

Parents:

f20f9e2

Message:

protect debug output with mutex, minor status output changes

File:

• uspace/drv/uhci-rhd/port.c (modified) (3 diffs)

uspace/drv/uhci-rhd/port.c

@@ -34 +34 @@
 #include <errno.h>
 #include <str_error.h>
+#include <fibril_synch.h>
 
 #include <usb/usb.h>    /* usb_address_t */
@@ -100 +101 @@
 
                 /* debug print */
+                static fibril_mutex_t dbg_mtx = FIBRIL_MUTEX_INITIALIZER(dbg_mtx);
+                fibril_mutex_lock(&dbg_mtx);
                 usb_log_debug("Port %d status at %p: 0x%04x.\n",
                   port_instance->number, port_instance->address, port_status);
                 print_port_status(port_status);
+                fibril_mutex_unlock(&dbg_mtx);
 
                 if (port_status & STATUS_CONNECTED_CHANGED) {
@@ -120 +124 @@
                                 /* new device */
                                 uhci_port_new_device(port_instance);
+                        } else {
+                                port_status_write(port_instance->address, STATUS_CONNECTED_CHANGED);
                         }