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Commit 448535a3 authored by Dmitry Kalinkin's avatar Dmitry Kalinkin Committed by Greg Kroah-Hartman
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vme: print unhandled VME access errors 



This will enable error messages for accesses done through mmap.

Signed-off-by: default avatarDmitry Kalinkin <dmitry.kalinkin@gmail.com>
Acked-by: default avatarMartyn Welch <martyn@welchs.me.uk>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 0b049662

drivers/vme/vme.c

+7 −0
Original line number Original line Diff line number Diff line
@@ -1028,6 +1028,7 @@ void vme_bus_error_handler(struct vme_bridge *bridge, 
{

{

	struct list_head *handler_pos = NULL;

	struct list_head *handler_pos = NULL;

	struct vme_error_handler *handler;

	struct vme_error_handler *handler;

	int handler_triggered = 0;

	u32 aspace = vme_get_aspace(am);

	u32 aspace = vme_get_aspace(am);





	list_for_each(handler_pos, &bridge->vme_error_handlers) {

	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;

				handler->first_error = address;

			if (handler->num_errors != UINT_MAX)

			if (handler->num_errors != UINT_MAX)

				handler->num_errors++;

				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);

EXPORT_SYMBOL(vme_bus_error_handler);