Changeset 60744cb in mainline for uspace/lib/usbhost

Timestamp:

2024-05-17T17:51:56Z (17 months ago)

Author:

Jiri Svoboda <jiri@…>

Branches:

master

Children:

1801005

Parents:

646849b3

Message:

Let driver specify any argument to IRQ handler

This allows the driver to register a single handler for multiple
interrupts and still distinguish between them. It also removes
the extra step of having to get softstate from ddf_dev_t.

File:

• uspace/lib/usbhost/src/hcd.c (modified) (2 diffs)

uspace/lib/usbhost/src/hcd.c

@@ -95 +95 @@
  * TODO: Make the bus mechanism less flexible in irq handling and remove the
  * lookup.
- */
-static void irq_handler(ipc_call_t *call, ddf_dev_t *dev)
-{
-        assert(dev);
-        hc_device_t *hcd = dev_to_hcd(dev);
+ *
+ * @param call Interrupt notification
+ * @param arg Argument (hc_device_t *)
+ */
+static void irq_handler(ipc_call_t *call, void *arg)
+{
+        hc_device_t *hcd = (hc_device_t *)arg;
 
         const uint32_t status = ipc_get_arg1(call);
@@ -178 +180 @@
         cap_irq_handle_t ihandle;
         ret = register_interrupt_handler(hcd->ddf_dev, irq, irq_handler,
-            &irq_code, &ihandle);
+            (void *)hcd, &irq_code, &ihandle);
         irq_code_clean(&irq_code);
         if (ret != EOK) {