diff options
| author | Chunhai Guo <guochunhai@vivo.com> | 2024-08-23 03:42:49 -0600 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2024-08-30 18:23:43 +0800 |
| commit | eb7bb0b56b41e9dd73d340159b8a0ce743352014 (patch) | |
| tree | c6bc3ebf37b7690f6303fca8086874914dcd5f7f /drivers/crypto | |
| parent | 24cc57d8faaa4060fd58adf810b858fcfb71a02f (diff) | |
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')
| -rw-r--r-- | drivers/crypto/atmel-aes.c | 16 | ||||
| -rw-r--r-- | drivers/crypto/atmel-sha.c | 14 |
2 files changed, 7 insertions, 23 deletions
diff --git a/drivers/crypto/atmel-aes.c b/drivers/crypto/atmel-aes.c index 8bd64fc37e75..0dd90785db9a 100644 --- a/drivers/crypto/atmel-aes.c +++ b/drivers/crypto/atmel-aes.c @@ -2376,33 +2376,29 @@ static int atmel_aes_probe(struct platform_device *pdev) } /* Initializing the clock */ - aes_dd->iclk = devm_clk_get(&pdev->dev, "aes_clk"); + aes_dd->iclk = devm_clk_get_prepared(&pdev->dev, "aes_clk"); if (IS_ERR(aes_dd->iclk)) { dev_err(dev, "clock initialization failed.\n"); err = PTR_ERR(aes_dd->iclk); goto err_tasklet_kill; } - err = clk_prepare(aes_dd->iclk); - if (err) - goto err_tasklet_kill; - err = atmel_aes_hw_version_init(aes_dd); if (err) - goto err_iclk_unprepare; + goto err_tasklet_kill; atmel_aes_get_cap(aes_dd); #if IS_ENABLED(CONFIG_CRYPTO_DEV_ATMEL_AUTHENC) if (aes_dd->caps.has_authenc && !atmel_sha_authenc_is_ready()) { err = -EPROBE_DEFER; - goto err_iclk_unprepare; + goto err_tasklet_kill; } #endif err = atmel_aes_buff_init(aes_dd); if (err) - goto err_iclk_unprepare; + goto err_tasklet_kill; err = atmel_aes_dma_init(aes_dd); if (err) @@ -2429,8 +2425,6 @@ err_algs: atmel_aes_dma_cleanup(aes_dd); err_buff_cleanup: atmel_aes_buff_cleanup(aes_dd); -err_iclk_unprepare: - clk_unprepare(aes_dd->iclk); err_tasklet_kill: tasklet_kill(&aes_dd->done_task); tasklet_kill(&aes_dd->queue_task); @@ -2455,8 +2449,6 @@ static void atmel_aes_remove(struct platform_device *pdev) atmel_aes_dma_cleanup(aes_dd); atmel_aes_buff_cleanup(aes_dd); - - clk_unprepare(aes_dd->iclk); } static struct platform_driver atmel_aes_driver = { 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 = { |