OMAPDSS: flush write after irq enable

don't want to miss it

diff --git a/drivers/video/omap2/dss/dispc.c b/drivers/video/omap2/dss/dispc.c
index 7846a33..c10fdcb 100644 (file)
--- a/drivers/video/omap2/dss/dispc.c
+++ b/drivers/video/omap2/dss/dispc.c
@@ -2994,6 +2994,8 @@ static void _omap_dispc_set_irqs(void)
        dispc_write_reg(DISPC_IRQSTATUS, (mask ^ old_mask) & mask);
 
        dispc_write_reg(DISPC_IRQENABLE, mask);
+       /* flush posted write */
+       dispc_read_reg(DISPC_IRQENABLE);
 }
 
 static int omap_dispc_register_isr_unlocked(omap_dispc_isr_t isr,