On 18/09/15 00:01, dmitry.kalin...@gmail.com wrote:
From: Dmitry Kalinkin <dmitry.kalin...@gmail.com> This will enable error messages for accesses done through mmap. Signed-off-by: Dmitry Kalinkin <dmitry.kalin...@gmail.com>
Acked-by: Martyn Welch <mar...@welchs.me.uk>
--- drivers/vme/vme.c | 7 +++++++ 1 file changed, 7 insertions(+) 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 @@ 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);
_______________________________________________ devel mailing list de...@linuxdriverproject.org http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel
