dispc_mgr_go() should never be called with manager output disabled or if the GO bit is already set. Change the current silent returns to WARN_ONs.
Signed-off-by: Tomi Valkeinen <[email protected]> --- drivers/video/omap2/dss/dispc.c | 16 ++-------------- 1 file changed, 2 insertions(+), 14 deletions(-) diff --git a/drivers/video/omap2/dss/dispc.c b/drivers/video/omap2/dss/dispc.c index 662bf56..e219eda 100644 --- a/drivers/video/omap2/dss/dispc.c +++ b/drivers/video/omap2/dss/dispc.c @@ -565,20 +565,8 @@ bool dispc_mgr_go_busy(enum omap_channel channel) void dispc_mgr_go(enum omap_channel channel) { - bool enable_bit, go_bit; - - /* if the channel is not enabled, we don't need GO */ - enable_bit = mgr_fld_read(channel, DISPC_MGR_FLD_ENABLE) == 1; - - if (!enable_bit) - return; - - go_bit = mgr_fld_read(channel, DISPC_MGR_FLD_GO) == 1; - - if (go_bit) { - DSSERR("GO bit not down for channel %d\n", channel); - return; - } + WARN_ON(dispc_mgr_is_enabled(channel) == false); + WARN_ON(dispc_mgr_go_busy(channel)); DSSDBG("GO %s\n", mgr_desc[channel].name); -- 1.7.10.4 -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
