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crypto: mediatek - remove redundant clock setting

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This patch removes redundant clock setting for 'clk_ethif', which is
the parent of 'clk_cryp'. Hence, we just need to handle its child.

Signed-off-by: Ryder Lee <ryder.lee@mediatek.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Ryder Lee 2017-06-01 10:30:21 +08:00 committed by Herbert Xu
parent 47d3fd390e
commit 8fa23a29eb
2 changed files with 1 additions and 11 deletions
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10
drivers/crypto/mediatek/mtk-platform.c
View File

@ -504,19 +504,14 @@ static int mtk_crypto_probe(struct platform_device *pdev)
}
}
cryp->clk_ethif = devm_clk_get(&pdev->dev, "ethif");
cryp->clk_cryp = devm_clk_get(&pdev->dev, "cryp");
if (IS_ERR(cryp->clk_ethif) || IS_ERR(cryp->clk_cryp))
if (IS_ERR(cryp->clk_cryp))
return -EPROBE_DEFER;
cryp->dev = &pdev->dev;
pm_runtime_enable(cryp->dev);
pm_runtime_get_sync(cryp->dev);
err = clk_prepare_enable(cryp->clk_ethif);
if (err)
goto err_clk_ethif;
err = clk_prepare_enable(cryp->clk_cryp);
if (err)
goto err_clk_cryp;
@ -559,8 +554,6 @@ static int mtk_crypto_probe(struct platform_device *pdev)
err_resource:
clk_disable_unprepare(cryp->clk_cryp);
err_clk_cryp:
clk_disable_unprepare(cryp->clk_ethif);
err_clk_ethif:
pm_runtime_put_sync(cryp->dev);
pm_runtime_disable(cryp->dev);
@ -576,7 +569,6 @@ static int mtk_crypto_remove(struct platform_device *pdev)
mtk_desc_dma_free(cryp);
clk_disable_unprepare(cryp->clk_cryp);
clk_disable_unprepare(cryp->clk_ethif);
pm_runtime_put_sync(cryp->dev);
pm_runtime_disable(cryp->dev);

2
drivers/crypto/mediatek/mtk-platform.h
View File

@ -200,7 +200,6 @@ struct mtk_sha_rec {
* struct mtk_cryp - Cryptographic device
* @base: pointer to mapped register I/O base
* @dev: pointer to device
* @clk_ethif: pointer to ethif clock
* @clk_cryp: pointer to crypto clock
* @irq: global system and rings IRQ
* @ring: pointer to descriptor rings
@ -215,7 +214,6 @@ struct mtk_sha_rec {
struct mtk_cryp {
void __iomem *base;
struct device *dev;
struct clk *clk_ethif;
struct clk *clk_cryp;
int irq[MTK_IRQ_NUM];