Changeset 423e8c81 in mainline for uspace/drv/uhci-hcd/pci.c

Timestamp:

2011-02-19T23:41:38Z (14 years ago)

Author:

Jan Vesely <jano.vesely@…>

Branches:

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

Children:

063ead6f, 41e645c, 62066b4

Parents:

374552ef (diff), fb78ae72 (diff)
Note: this is a merge changeset, the changes displayed below correspond to the merge itself.
Use the (diff) links above to see all the changes relative to each parent.

Message:

Use hardware interrupts instead of polling

NOTE: hw interrupt enabling is implemented in pciintel driver,
it's probably not done ddf-way, but it works and can be used by other drivers too.

File:

• uspace/drv/uhci-hcd/pci.c (modified) (1 diff)

uspace/drv/uhci-hcd/pci.c

@@ -121 +121 @@
         return rc;
 }
-
+/*----------------------------------------------------------------------------*/
+int pci_enable_interrupts(device_t *device)
+{
+        int parent_phone = devman_parent_device_connect(device->handle,
+            IPC_FLAG_BLOCKING);
+        bool enabled = hw_res_enable_interrupt(parent_phone);
+        return enabled ? EOK : EIO;
+}
 /**
  * @}