[PATCH v2 11/18] crypto: rockhip: do not handle dma clock
From: Corentin Labbe <clabbe@baylibre.com>
Date: 2022-03-02 21:12:50
Also in:
linux-arm-kernel, linux-crypto, linux-rockchip, lkml
Subsystem:
arm/rockchip soc support, crypto api, rockchip crypto drivers, the rest · Maintainers:
Heiko Stuebner, Herbert Xu, "David S. Miller", Corentin Labbe, Linus Torvalds
The DMA clock is handled by the DMA controller, so the crypto does not have to touch it. Signed-off-by: Corentin Labbe <clabbe@baylibre.com> --- drivers/crypto/rockchip/rk3288_crypto.c | 16 +--------------- drivers/crypto/rockchip/rk3288_crypto.h | 1 - 2 files changed, 1 insertion(+), 16 deletions(-)
diff --git a/drivers/crypto/rockchip/rk3288_crypto.c b/drivers/crypto/rockchip/rk3288_crypto.c
index 94ef1283789f..645855d2651b 100644
--- a/drivers/crypto/rockchip/rk3288_crypto.c
+++ b/drivers/crypto/rockchip/rk3288_crypto.c@@ -40,15 +40,8 @@ static int rk_crypto_enable_clk(struct rk_crypto_info *dev) __func__, __LINE__); goto err_hclk; } - err = clk_prepare_enable(dev->dmaclk); - if (err) { - dev_err(dev->dev, "[%s:%d], Couldn't enable clock dmaclk\n", - __func__, __LINE__); - goto err_dmaclk; - } + return err; -err_dmaclk: - clk_disable_unprepare(dev->hclk); err_hclk: clk_disable_unprepare(dev->aclk); err_aclk:
@@ -59,7 +52,6 @@ static int rk_crypto_enable_clk(struct rk_crypto_info *dev) static void rk_crypto_disable_clk(struct rk_crypto_info *dev) { - clk_disable_unprepare(dev->dmaclk); clk_disable_unprepare(dev->hclk); clk_disable_unprepare(dev->aclk); clk_disable_unprepare(dev->sclk);
@@ -199,12 +191,6 @@ static int rk_crypto_probe(struct platform_device *pdev) goto err_crypto; } - crypto_info->dmaclk = devm_clk_get(&pdev->dev, "apb_pclk"); - if (IS_ERR(crypto_info->dmaclk)) { - err = PTR_ERR(crypto_info->dmaclk); - goto err_crypto; - } - crypto_info->irq = platform_get_irq(pdev, 0); if (crypto_info->irq < 0) { dev_err(&pdev->dev, "control Interrupt is not available.\n");
diff --git a/drivers/crypto/rockchip/rk3288_crypto.h b/drivers/crypto/rockchip/rk3288_crypto.h
index c741e97057dc..963fbfc4d14e 100644
--- a/drivers/crypto/rockchip/rk3288_crypto.h
+++ b/drivers/crypto/rockchip/rk3288_crypto.h@@ -191,7 +191,6 @@ struct rk_crypto_info { struct clk *aclk; struct clk *hclk; struct clk *sclk; - struct clk *dmaclk; struct reset_control *rst; void __iomem *reg; int irq;
--
2.34.1