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authorLinus Torvalds <torvalds@linux-foundation.org>2013-05-02 14:53:12 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2013-05-02 14:53:12 -0700
commit797994f81a8b2bdca2eecffa415c1e7a89a4f961 (patch)
tree1383dc469c26ad37fdf960f682d9a48c782935c5 /drivers/char/hw_random/mxc-rnga.c
parentc8d8566952fda026966784a62f324c8352f77430 (diff)
parent3862de1f6c442d53bd828d39f86d07d933a70605 (diff)
downloadvexpress-lsk-797994f81a8b2bdca2eecffa415c1e7a89a4f961.tar.gz
Merge git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
Pull crypto update from Herbert Xu: - XTS mode optimisation for twofish/cast6/camellia/aes on x86 - AVX2/x86_64 implementation for blowfish/twofish/serpent/camellia - SSSE3/AVX/AVX2 optimisations for sha256/sha512 - Added driver for SAHARA2 crypto accelerator - Fix for GMAC when used in non-IPsec secnarios - Added generic CMAC implementation (including IPsec glue) - IP update for crypto/atmel - Support for more than one device in hwrng/timeriomem - Added Broadcom BCM2835 RNG driver - Misc fixes * git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: (59 commits) crypto: caam - fix job ring cleanup code crypto: camellia - add AVX2/AES-NI/x86_64 assembler implementation of camellia cipher crypto: serpent - add AVX2/x86_64 assembler implementation of serpent cipher crypto: twofish - add AVX2/x86_64 assembler implementation of twofish cipher crypto: blowfish - add AVX2/x86_64 implementation of blowfish cipher crypto: tcrypt - add async cipher speed tests for blowfish crypto: testmgr - extend camellia test-vectors for camellia-aesni/avx2 crypto: aesni_intel - fix Kconfig problem with CRYPTO_GLUE_HELPER_X86 crypto: aesni_intel - add more optimized XTS mode for x86-64 crypto: x86/camellia-aesni-avx - add more optimized XTS code crypto: cast6-avx: use new optimized XTS code crypto: x86/twofish-avx - use optimized XTS code crypto: x86 - add more optimized XTS-mode for serpent-avx xfrm: add rfc4494 AES-CMAC-96 support crypto: add CMAC support to CryptoAPI crypto: testmgr - add empty test vectors for null ciphers crypto: testmgr - add AES GMAC test vectors crypto: gcm - fix rfc4543 to handle async crypto correctly crypto: gcm - make GMAC work when dst and src are different hwrng: timeriomem - added devicetree hooks ...
Diffstat (limited to 'drivers/char/hw_random/mxc-rnga.c')
-rw-r--r--drivers/char/hw_random/mxc-rnga.c21
1 files changed, 4 insertions, 17 deletions
diff --git a/drivers/char/hw_random/mxc-rnga.c b/drivers/char/hw_random/mxc-rnga.c
index 895d0b8fb9a..4ca35e8a5d8 100644
--- a/drivers/char/hw_random/mxc-rnga.c
+++ b/drivers/char/hw_random/mxc-rnga.c
@@ -142,7 +142,7 @@ static void mxc_rnga_cleanup(struct hwrng *rng)
static int __init mxc_rnga_probe(struct platform_device *pdev)
{
int err = -ENODEV;
- struct resource *res, *mem;
+ struct resource *res;
struct mxc_rng *mxc_rng;
mxc_rng = devm_kzalloc(&pdev->dev, sizeof(struct mxc_rng),
@@ -172,15 +172,9 @@ static int __init mxc_rnga_probe(struct platform_device *pdev)
goto err_region;
}
- mem = request_mem_region(res->start, resource_size(res), pdev->name);
- if (mem == NULL) {
- err = -EBUSY;
- goto err_region;
- }
-
- mxc_rng->mem = ioremap(res->start, resource_size(res));
- if (!mxc_rng->mem) {
- err = -ENOMEM;
+ mxc_rng->mem = devm_ioremap_resource(&pdev->dev, res);
+ if (IS_ERR(mxc_rng->mem)) {
+ err = PTR_ERR(mxc_rng->mem);
goto err_ioremap;
}
@@ -195,8 +189,6 @@ static int __init mxc_rnga_probe(struct platform_device *pdev)
return 0;
err_ioremap:
- release_mem_region(res->start, resource_size(res));
-
err_region:
clk_disable_unprepare(mxc_rng->clk);
@@ -206,15 +198,10 @@ out:
static int __exit mxc_rnga_remove(struct platform_device *pdev)
{
- struct resource *res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
struct mxc_rng *mxc_rng = platform_get_drvdata(pdev);
hwrng_unregister(&mxc_rng->rng);
- iounmap(mxc_rng->mem);
-
- release_mem_region(res->start, resource_size(res));
-
clk_disable_unprepare(mxc_rng->clk);
return 0;