Changeset 423e8c81 in mainline for uspace/drv/uhci-hcd/batch.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/batch.c (modified) (6 diffs)

uspace/drv/uhci-hcd/batch.c

@@ -141 +141 @@
         usb_log_debug("Checking(%p) %d packet for completion.\n",
             instance, instance->packets);
-        /* This is just an ugly trick to support the old API */
         instance->transfered_size = 0;
         size_t i = 0;
@@ -157 +156 @@
                     transfer_descriptor_actual_size(&instance->tds[i]);
         }
+        /* This is just an ugly trick to support the old API */
         instance->transfered_size -= instance->setup_size;
         return true;
@@ -191 +191 @@
             0, 1, false, instance->target, USB_PID_IN, NULL, NULL);
 
+        instance->tds[i].status |= TD_STATUS_COMPLETE_INTERRUPT_FLAG;
+
         instance->next_step = batch_call_out_and_dispose;
         batch_schedule(instance);
@@ -221 +223 @@
         transfer_descriptor_init(&instance->tds[i], DEFAULT_ERROR_COUNT,
             0, 1, false, instance->target, USB_PID_OUT, NULL, NULL);
+
+        instance->tds[i].status |= TD_STATUS_COMPLETE_INTERRUPT_FLAG;
 
         instance->next_step = batch_call_in_and_dispose;
@@ -244 +248 @@
         }
 
+        instance->tds[i - 1].status |= TD_STATUS_COMPLETE_INTERRUPT_FLAG;
+
         instance->next_step = batch_call_in_and_dispose;
         batch_schedule(instance);
@@ -268 +274 @@
         }
 
+        instance->tds[i - 1].status |= TD_STATUS_COMPLETE_INTERRUPT_FLAG;
+
         instance->next_step = batch_call_out_and_dispose;
         batch_schedule(instance);