linux-kernel - [PATCH 4.14 060/239] soc: imx: gpc: fix PDN delay

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Message-Id: <20191119051310.382316743@linuxfoundation.org>
Date:   Tue, 19 Nov 2019 06:17:40 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Sven Schmitt <sven.schmitt@...ed-mode.de>,
        Leonard Crestez <leonard.crestez@....com>,
        Shawn Guo <shawnguo@...nel.org>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 4.14 060/239] soc: imx: gpc: fix PDN delay

From: Sven Schmitt <Sven.Schmitt@...ed-mode.de>

[ 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@...ed-mode.de>
Reviewed-by: Leonard Crestez <leonard.crestez@....com>
Signed-off-by: Shawn Guo <shawnguo@...nel.org>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/soc/imx/gpc.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/soc/imx/gpc.c b/drivers/soc/imx/gpc.c
index c54d229f8da49..3a12123de4662 100644
--- 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;
 
-- 
2.20.1