Changeset e26a9d95 in mainline for uspace/drv/bus/usb/uhci/hc.c

Timestamp:

2014-01-18T17:14:42Z (10 years ago)

Author:

Jan Vesely <jano.vesely@…>

Branches:

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

Children:

3e200736

Parents:

19b3cc6

Message:

libusbhost: Add status hook.

Implement in UHCI, OHCI

File:

• uspace/drv/bus/usb/uhci/hc.c (modified) (1 diff)

uspace/drv/bus/usb/uhci/hc.c

@@ -412 +412 @@
 }
 
+int hc_status(hcd_t *hcd, uint32_t *status)
+{
+        assert(hcd);
+        assert(status);
+        hc_t *instance = hcd->driver.data;
+        assert(instance);
+
+        *status = 0;
+        if (instance->registers) {
+                uint16_t s = pio_read_16(&instance->registers->usbsts);
+                pio_write_16(&instance->registers->usbsts, s);
+                *status = s;
+        }
+        return EOK;
+}
+
 /** Schedule batch for execution.
  *