linux-kernel - [PATCH v3 14/26] crypto: rockchip: handle reset also in PM

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Date:   Mon, 21 Mar 2022 20:07:27 +0000
From:   Corentin Labbe <clabbe@...libre.com>
To:     heiko@...ech.de, herbert@...dor.apana.org.au, krzk+dt@...nel.org,
        mturquette@...libre.com, robh+dt@...nel.org, sboyd@...nel.org
Cc:     devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-clk@...r.kernel.org, linux-crypto@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-rockchip@...ts.infradead.org,
        Corentin Labbe <clabbe@...libre.com>
Subject: [PATCH v3 14/26] crypto: rockchip: handle reset also in PM

reset could be handled by PM functions.

Signed-off-by: Corentin Labbe <clabbe@...libre.com>
---
 drivers/crypto/rockchip/rk3288_crypto.c | 19 ++++---------------
 1 file changed, 4 insertions(+), 15 deletions(-)

diff --git a/drivers/crypto/rockchip/rk3288_crypto.c b/drivers/crypto/rockchip/rk3288_crypto.c
index d9258b9e71b3..a11a92e1f3fd 100644
--- a/drivers/crypto/rockchip/rk3288_crypto.c
+++ b/drivers/crypto/rockchip/rk3288_crypto.c
@@ -73,6 +73,8 @@ static int rk_crypto_pm_suspend(struct device *dev)
 {
 	struct rk_crypto_info *rkdev = dev_get_drvdata(dev);
 
+	reset_control_assert(rkdev->rst);
+
 	rk_crypto_disable_clk(rkdev);
 	return 0;
 }
@@ -81,6 +83,8 @@ static int rk_crypto_pm_resume(struct device *dev)
 {
 	struct rk_crypto_info *rkdev = dev_get_drvdata(dev);
 
+	reset_control_deassert(rkdev->rst);
+
 	return rk_crypto_enable_clk(rkdev);
 }
 
@@ -222,13 +226,6 @@ static void rk_crypto_unregister(void)
 	}
 }
 
-static void rk_crypto_action(void *data)
-{
-	struct rk_crypto_info *crypto_info = data;
-
-	reset_control_assert(crypto_info->rst);
-}
-
 static const struct of_device_id crypto_of_id_table[] = {
 	{ .compatible = "rockchip,rk3288-crypto" },
 	{}
@@ -254,14 +251,6 @@ static int rk_crypto_probe(struct platform_device *pdev)
 		goto err_crypto;
 	}
 
-	reset_control_assert(crypto_info->rst);
-	usleep_range(10, 20);
-	reset_control_deassert(crypto_info->rst);
-
-	err = devm_add_action_or_reset(dev, rk_crypto_action, crypto_info);
-	if (err)
-		goto err_crypto;
-
 	crypto_info->reg = devm_platform_ioremap_resource(pdev, 0);
 	if (IS_ERR(crypto_info->reg)) {
 		err = PTR_ERR(crypto_info->reg);
-- 
2.34.1