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crypto: img-hash - use devm_clk_get_enabled() helpers

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Simplify the code by replacing devm_clk_get() and clk_prepare_enable()
with devm_clk_get_enabled(), which also avoids the call to
clk_disable_unprepare().

Signed-off-by: Chunhai Guo <guochunhai@vivo.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Chunhai Guo 2024-08-23 03:52:12 -06:00 committed by Herbert Xu
parent eb7bb0b56b
commit 407f8cf8e6
1 changed files with 3 additions and 18 deletions
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21
drivers/crypto/img-hash.c
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@ -987,31 +987,23 @@ static int img_hash_probe(struct platform_device *pdev)
}
dev_dbg(dev, "using IRQ channel %d\n", irq);
hdev->hash_clk = devm_clk_get(&pdev->dev, "hash");
hdev->hash_clk = devm_clk_get_enabled(&pdev->dev, "hash");
if (IS_ERR(hdev->hash_clk)) {
dev_err(dev, "clock initialization failed.\n");
err = PTR_ERR(hdev->hash_clk);
goto res_err;
}
hdev->sys_clk = devm_clk_get(&pdev->dev, "sys");
hdev->sys_clk = devm_clk_get_enabled(&pdev->dev, "sys");
if (IS_ERR(hdev->sys_clk)) {
dev_err(dev, "clock initialization failed.\n");
err = PTR_ERR(hdev->sys_clk);
goto res_err;
}
err = clk_prepare_enable(hdev->hash_clk);
if (err)
goto res_err;
err = clk_prepare_enable(hdev->sys_clk);
if (err)
goto clk_err;
err = img_hash_dma_init(hdev);
if (err)
goto dma_err;
goto res_err;
dev_dbg(dev, "using %s for DMA transfers\n",
dma_chan_name(hdev->dma_lch));
@ -1032,10 +1024,6 @@ err_algs:
list_del(&hdev->list);
spin_unlock(&img_hash.lock);
dma_release_channel(hdev->dma_lch);
dma_err:
clk_disable_unprepare(hdev->sys_clk);
clk_err:
clk_disable_unprepare(hdev->hash_clk);
res_err:
tasklet_kill(&hdev->done_task);
tasklet_kill(&hdev->dma_task);
@ -1058,9 +1046,6 @@ static void img_hash_remove(struct platform_device *pdev)
tasklet_kill(&hdev->dma_task);
dma_release_channel(hdev->dma_lch);
clk_disable_unprepare(hdev->hash_clk);
clk_disable_unprepare(hdev->sys_clk);
}
#ifdef CONFIG_PM_SLEEP