soc: imx: gpc: fix PDN delay

[ Upstream commit 9f4d61d531e0efc9c3283963ae5ef7e314579191 ]

imx6_pm_domain_power_off() reads iso and iso2sw from GPC_PGC_PUPSCR_OFFS
which stores the power up delays.
So use GPC_PGC_PDNSCR_OFFS for the correct delays.

Signed-off-by: Sven Schmitt <sven.schmitt@mixed-mode.de>
Reviewed-by: Leonard Crestez <leonard.crestez@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>

diff --git a/drivers/soc/imx/gpc.c b/drivers/soc/imx/gpc.c
index c54d229f8da49c82f1fc9e104c2003bbe019104f..3a12123de46629d4c0271b8e325449b2eaa94ce6 100644 (file)
--- a/drivers/soc/imx/gpc.c
+++ b/drivers/soc/imx/gpc.c
@@ -73,7 +73,7 @@ static int imx6_pm_domain_power_off(struct generic_pm_domain *genpd)
                return -EBUSY;
 
        /* Read ISO and ISO2SW power down delays */
-       regmap_read(pd->regmap, pd->reg_offs + GPC_PGC_PUPSCR_OFFS, &val);
+       regmap_read(pd->regmap, pd->reg_offs + GPC_PGC_PDNSCR_OFFS, &val);
        iso = val & 0x3f;
        iso2sw = (val >> 8) & 0x3f;