vme: print unhandled VME access errors
This will enable error messages for accesses done through mmap.
Signed-off-by: Dmitry Kalinkin <dmitry.kalinkin@gmail.com>
Acked-by: Martyn Welch <martyn@welchs.me.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/drivers/vme/vme.c b/drivers/vme/vme.c
index 7a10d92..72924b0 100644
--- a/drivers/vme/vme.c
+++ b/drivers/vme/vme.c
@@ -1028,6 +1028,7 @@
{
struct list_head *handler_pos = NULL;
struct vme_error_handler *handler;
+ int handler_triggered = 0;
u32 aspace = vme_get_aspace(am);
list_for_each(handler_pos, &bridge->vme_error_handlers) {
@@ -1040,8 +1041,14 @@
handler->first_error = address;
if (handler->num_errors != UINT_MAX)
handler->num_errors++;
+ handler_triggered = 1;
}
}
+
+ if (!handler_triggered)
+ dev_err(bridge->parent,
+ "Unhandled VME access error at address 0x%llx\n",
+ address);
}
EXPORT_SYMBOL(vme_bus_error_handler);