aboutsummaryrefslogtreecommitdiff
path: root/drivers/crypto/atmel-tdes.c
diff options
context:
space:
mode:
authorLABBE Corentin <clabbe.montjoie@gmail.com>2015-10-12 19:47:03 +0200
committerHerbert Xu <herbert@gondor.apana.org.au>2015-10-14 22:23:38 +0800
commitb0e8b3417a620e6e0a91fd526fbc6db78714198e (patch)
treec94520f907b4c3f2bdd84ef2de0647a15e02dd27 /drivers/crypto/atmel-tdes.c
parentdc97fa02328b79f05a2ec1693b7596fae52c0e02 (diff)
downloadlinux-b0e8b3417a620e6e0a91fd526fbc6db78714198e.tar.gz
crypto: atmel - use devm_xxx() managed function
Using the devm_xxx() managed function to stripdown the error and remove code. Signed-off-by: LABBE Corentin <clabbe.montjoie@gmail.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'drivers/crypto/atmel-tdes.c')
-rw-r--r--drivers/crypto/atmel-tdes.c29
1 files changed, 7 insertions, 22 deletions
diff --git a/drivers/crypto/atmel-tdes.c b/drivers/crypto/atmel-tdes.c
index 504e90340074..2c7a628d0375 100644
--- a/drivers/crypto/atmel-tdes.c
+++ b/drivers/crypto/atmel-tdes.c
@@ -1359,7 +1359,6 @@ static int atmel_tdes_probe(struct platform_device *pdev)
struct crypto_platform_data *pdata;
struct device *dev = &pdev->dev;
struct resource *tdes_res;
- unsigned long tdes_phys_size;
int err;
tdes_dd = devm_kmalloc(&pdev->dev, sizeof(*tdes_dd), GFP_KERNEL);
@@ -1393,7 +1392,6 @@ static int atmel_tdes_probe(struct platform_device *pdev)
goto res_err;
}
tdes_dd->phys_base = tdes_res->start;
- tdes_phys_size = resource_size(tdes_res);
/* Get the IRQ */
tdes_dd->irq = platform_get_irq(pdev, 0);
@@ -1403,26 +1401,26 @@ static int atmel_tdes_probe(struct platform_device *pdev)
goto res_err;
}
- err = request_irq(tdes_dd->irq, atmel_tdes_irq, IRQF_SHARED,
- "atmel-tdes", tdes_dd);
+ err = devm_request_irq(&pdev->dev, tdes_dd->irq, atmel_tdes_irq,
+ IRQF_SHARED, "atmel-tdes", tdes_dd);
if (err) {
dev_err(dev, "unable to request tdes irq.\n");
- goto tdes_irq_err;
+ goto res_err;
}
/* Initializing the clock */
- tdes_dd->iclk = clk_get(&pdev->dev, "tdes_clk");
+ tdes_dd->iclk = devm_clk_get(&pdev->dev, "tdes_clk");
if (IS_ERR(tdes_dd->iclk)) {
dev_err(dev, "clock initialization failed.\n");
err = PTR_ERR(tdes_dd->iclk);
- goto clk_err;
+ goto res_err;
}
- tdes_dd->io_base = ioremap(tdes_dd->phys_base, tdes_phys_size);
+ tdes_dd->io_base = devm_ioremap_resource(&pdev->dev, tdes_res);
if (!tdes_dd->io_base) {
dev_err(dev, "can't ioremap\n");
err = -ENOMEM;
- goto tdes_io_err;
+ goto res_err;
}
atmel_tdes_hw_version_init(tdes_dd);
@@ -1478,12 +1476,6 @@ err_tdes_dma:
err_pdata:
atmel_tdes_buff_cleanup(tdes_dd);
err_tdes_buff:
- iounmap(tdes_dd->io_base);
-tdes_io_err:
- clk_put(tdes_dd->iclk);
-clk_err:
- free_irq(tdes_dd->irq, tdes_dd);
-tdes_irq_err:
res_err:
tasklet_kill(&tdes_dd->done_task);
tasklet_kill(&tdes_dd->queue_task);
@@ -1514,13 +1506,6 @@ static int atmel_tdes_remove(struct platform_device *pdev)
atmel_tdes_buff_cleanup(tdes_dd);
- iounmap(tdes_dd->io_base);
-
- clk_put(tdes_dd->iclk);
-
- if (tdes_dd->irq >= 0)
- free_irq(tdes_dd->irq, tdes_dd);
-
return 0;
}