[SCSI] aacraid: driver shutdown method
Add in pci shutdown method so that the adapter shuts down correctly and
flushes its cache. Shutdown should also disable the adapter's interrupt
when shutdown (in particularly if the driver is rmmod'd) to prevent
spurious hardware activities.
Signed-off-by: Mark Haverkamp <markh@osdl.org>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
diff --git a/drivers/scsi/aacraid/rx.c b/drivers/scsi/aacraid/rx.c
index 1ff25f4..a8459fa 100644
--- a/drivers/scsi/aacraid/rx.c
+++ b/drivers/scsi/aacraid/rx.c
@@ -88,6 +88,16 @@
}
/**
+ * aac_rx_disable_interrupt - Disable interrupts
+ * @dev: Adapter
+ */
+
+static void aac_rx_disable_interrupt(struct aac_dev *dev)
+{
+ rx_writeb(dev, MUnit.OIMR, dev->OIMR = 0xff);
+}
+
+/**
* rx_sync_cmd - send a command and wait
* @dev: Adapter
* @command: Command to execute
@@ -412,10 +422,19 @@
* Fill in the function dispatch table.
*/
dev->a_ops.adapter_interrupt = aac_rx_interrupt_adapter;
+ dev->a_ops.adapter_disable_int = aac_rx_disable_interrupt;
dev->a_ops.adapter_notify = aac_rx_notify_adapter;
dev->a_ops.adapter_sync_cmd = rx_sync_cmd;
dev->a_ops.adapter_check_health = aac_rx_check_health;
+ /*
+ * First clear out all interrupts. Then enable the one's that we
+ * can handle.
+ */
+ rx_writeb(dev, MUnit.OIMR, 0xff);
+ rx_writel(dev, MUnit.ODR, 0xffffffff);
+ rx_writeb(dev, MUnit.OIMR, dev->OIMR = 0xfb);
+
if (aac_init_adapter(dev) == NULL)
goto error_irq;
/*
@@ -438,6 +457,7 @@
kfree(dev->queues);
error_irq:
+ rx_writeb(dev, MUnit.OIMR, dev->OIMR = 0xff);
free_irq(dev->scsi_host_ptr->irq, (void *)dev);
error_iounmap: