GRU driver: minor updates

[linux-2.6-omap-h63xx.git] / drivers / misc / sgi-gru / grukservices.c

diff --git a/drivers/misc/sgi-gru/grukservices.c b/drivers/misc/sgi-gru/grukservices.c
index 08d29cd756b48810193c03c9d4ec72f0590cd51c..880c55dfb66266dfd53cae3dea2492b986ff5744 100644 (file)
--- a/drivers/misc/sgi-gru/grukservices.c
+++ b/drivers/misc/sgi-gru/grukservices.c
@@ -122,6 +122,7 @@ int gru_get_cb_exception_detail(void *cb,
        struct gru_control_block_extended *cbe;
 
        cbe = get_cbe(GRUBASE(cb), get_cb_number(cb));
+       prefetchw(cbe);         /* Harmless on hardware, required for emulator */
        excdet->opc = cbe->opccpy;
        excdet->exopc = cbe->exopccpy;
        excdet->ecause = cbe->ecause;