From 448535a35010253f21ed913a05abe3d0adb47743 Mon Sep 17 00:00:00 2001 From: Dmitry Kalinkin Date: Fri, 18 Sep 2015 02:01:45 +0300 Subject: vme: print unhandled VME access errors This will enable error messages for accesses done through mmap. Signed-off-by: Dmitry Kalinkin Acked-by: Martyn Welch Signed-off-by: Greg Kroah-Hartman --- drivers/vme/vme.c | 7 +++++++ 1 file changed, 7 insertions(+) (limited to 'drivers/vme') diff --git a/drivers/vme/vme.c b/drivers/vme/vme.c index 7a10d926ebb4..72924b0632b7 100644 --- a/drivers/vme/vme.c +++ b/drivers/vme/vme.c @@ -1028,6 +1028,7 @@ void vme_bus_error_handler(struct vme_bridge *bridge, { 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 @@ void vme_bus_error_handler(struct vme_bridge *bridge, 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); -- cgit v1.2.3