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| author | Dmitry Kalinkin <dmitry.kalinkin@gmail.com> | 2015-09-18 01:01:45 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2015-10-04 20:50:57 +0200 |
| commit | 448535a35010253f21ed913a05abe3d0adb47743 (patch) | |
| tree | 6080fe2e9abfaf0124989feec16d09daa993d219 /drivers/vme | |
| parent | vme: change bus error handling scheme (diff) | |
| download | linux-448535a35010253f21ed913a05abe3d0adb47743.tar.xz linux-448535a35010253f21ed913a05abe3d0adb47743.zip | |
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>
Diffstat (limited to 'drivers/vme')
| -rw-r--r-- | drivers/vme/vme.c | 7 |
1 files changed, 7 insertions, 0 deletions
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); |