[PATCH v2 11/18] crypto: rockhip: do not handle dma clock

Corentin Labbe
2022-03-02T21:12:50Z

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