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authorChunhai Guo <guochunhai@vivo.com>2024-08-23 11:42:49 +0200
committerHerbert Xu <herbert@gondor.apana.org.au>2024-08-30 12:23:43 +0200
commiteb7bb0b56b41e9dd73d340159b8a0ce743352014 (patch)
treec6bc3ebf37b7690f6303fca8086874914dcd5f7f /drivers/crypto/atmel-sha.c
parentpadata: Honor the caller's alignment in case of chunk_size 0 (diff)
downloadlinux-eb7bb0b56b41e9dd73d340159b8a0ce743352014.tar.xz
linux-eb7bb0b56b41e9dd73d340159b8a0ce743352014.zip
crypto: atmel - use devm_clk_get_prepared() helpers
Simplify the code by replacing devm_clk_get() and clk_prepare() with devm_clk_get_prepared(), which also avoids the call to clk_unprepare(). Signed-off-by: Chunhai Guo <guochunhai@vivo.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'drivers/crypto/atmel-sha.c')
-rw-r--r--drivers/crypto/atmel-sha.c14
1 files changed, 3 insertions, 11 deletions
diff --git a/drivers/crypto/atmel-sha.c b/drivers/crypto/atmel-sha.c
index f4cd6158a4f7..8cc57df25778 100644
--- a/drivers/crypto/atmel-sha.c
+++ b/drivers/crypto/atmel-sha.c
@@ -2623,27 +2623,23 @@ static int atmel_sha_probe(struct platform_device *pdev)
}
/* Initializing the clock */
- sha_dd->iclk = devm_clk_get(&pdev->dev, "sha_clk");
+ sha_dd->iclk = devm_clk_get_prepared(&pdev->dev, "sha_clk");
if (IS_ERR(sha_dd->iclk)) {
dev_err(dev, "clock initialization failed.\n");
err = PTR_ERR(sha_dd->iclk);
goto err_tasklet_kill;
}
- err = clk_prepare(sha_dd->iclk);
- if (err)
- goto err_tasklet_kill;
-
err = atmel_sha_hw_version_init(sha_dd);
if (err)
- goto err_iclk_unprepare;
+ goto err_tasklet_kill;
atmel_sha_get_cap(sha_dd);
if (sha_dd->caps.has_dma) {
err = atmel_sha_dma_init(sha_dd);
if (err)
- goto err_iclk_unprepare;
+ goto err_tasklet_kill;
dev_info(dev, "using %s for DMA transfers\n",
dma_chan_name(sha_dd->dma_lch_in.chan));
@@ -2669,8 +2665,6 @@ err_algs:
spin_unlock(&atmel_sha.lock);
if (sha_dd->caps.has_dma)
atmel_sha_dma_cleanup(sha_dd);
-err_iclk_unprepare:
- clk_unprepare(sha_dd->iclk);
err_tasklet_kill:
tasklet_kill(&sha_dd->queue_task);
tasklet_kill(&sha_dd->done_task);
@@ -2693,8 +2687,6 @@ static void atmel_sha_remove(struct platform_device *pdev)
if (sha_dd->caps.has_dma)
atmel_sha_dma_cleanup(sha_dd);
-
- clk_unprepare(sha_dd->iclk);
}
static struct platform_driver atmel_sha_driver = {