bus: ti-sysc: Fix using configured sysc mask value

[ Upstream commit e212abd452a4af3174fcd469d46656f83e135a19 ]

We have cases where there are no softreset bits like with am335x lcdc.
In that case ti,sysc-mask = <0> needs to be handled properly.

Tested-by: Keerthy <j-keerthy@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>

diff --git a/drivers/bus/ti-sysc.c b/drivers/bus/ti-sysc.c
index e4fe954..4ca006e 100644 (file)
--- a/drivers/bus/ti-sysc.c
+++ b/drivers/bus/ti-sysc.c
@@ -1022,10 +1022,7 @@ static int sysc_init_sysc_mask(struct sysc *ddata)
        if (error)
                return 0;
 
-       if (val)
-               ddata->cfg.sysc_val = val & ddata->cap->sysc_mask;
-       else
-               ddata->cfg.sysc_val = ddata->cap->sysc_mask;
+       ddata->cfg.sysc_val = val & ddata->cap->sysc_mask;
 
        return 0;
 }