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Merge git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6

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* git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6:
  [HWRNG] omap: Minor updates
  [CRYPTO] kconfig: Ordering cleanup
  [CRYPTO] all: Clean up init()/fini()
  [CRYPTO] padlock-aes: Use generic setkey function
  [CRYPTO] aes: Export generic setkey
  [CRYPTO] api: Make the crypto subsystem fully modular
  [CRYPTO] cts: Add CTS mode required for Kerberos AES support
  [CRYPTO] lrw: Replace all adds to big endians variables with be*_add_cpu
  [CRYPTO] tcrypt: Change the XTEA test vectors
  [CRYPTO] tcrypt: Shrink the tcrypt module
  [CRYPTO] tcrypt: Change the usage of the test vectors
  [CRYPTO] api: Constify function pointer tables
  [CRYPTO] aes-x86-32: Remove unused return code
  [CRYPTO] tcrypt: Shrink speed templates
  [CRYPTO] tcrypt: Group common speed templates
  [CRYPTO] sha512: Rename sha512 to sha512_generic
  [CRYPTO] sha384: Hardware acceleration for s390
  [CRYPTO] sha512: Hardware acceleration for s390
  [CRYPTO] s390: Generic sha_update and sha_final
  [CRYPTO] api: Switch to proc_create()
This commit is contained in:
Linus Torvalds
2008-04-21 15:57:09 -07:00
parent 98a1e95f9b c49a7f182c
commit 904e0ab54b
44 changed files with 7434 additions and 7120 deletions
Download Patch File Download Diff File Expand all files Collapse all files
drivers/char/hw_random/omap-rng.c
+13 -13
View File
@@ -1,7 +1,5 @@
/*
* drivers/char/hw_random/omap-rng.c
*
* RNG driver for TI OMAP CPU family
* omap-rng.c - RNG driver for TI OMAP CPU family
*
* Author: Deepak Saxena <dsaxena@plexity.net>
*
@@ -15,11 +13,6 @@
* This file is licensed under the terms of the GNU General Public
* License version 2. This program is licensed "as is" without any
* warranty of any kind, whether express or implied.
*
* TODO:
*
* - Make status updated be interrupt driven so we don't poll
*
*/
#include <linux/module.h>
@@ -55,17 +48,16 @@ static void __iomem *rng_base;
static struct clk *rng_ick;
static struct platform_device *rng_dev;
static u32 omap_rng_read_reg(int reg)
static inline u32 omap_rng_read_reg(int reg)
{
return __raw_readl(rng_base + reg);
}
static void omap_rng_write_reg(int reg, u32 val)
static inline void omap_rng_write_reg(int reg, u32 val)
{
__raw_writel(val, rng_base + reg);
}
/* REVISIT: Does the status bit really work on 16xx? */
static int omap_rng_data_present(struct hwrng *rng, int wait)
{
int data, i;
@@ -74,6 +66,11 @@ static int omap_rng_data_present(struct hwrng *rng, int wait)
data = omap_rng_read_reg(RNG_STAT_REG) ? 0 : 1;
if (data || !wait)
break;
/* RNG produces data fast enough (2+ MBit/sec, even
* during "rngtest" loads, that these delays don't
* seem to trigger. We *could* use the RNG IRQ, but
* that'd be higher overhead ... so why bother?
*/
udelay(10);
}
return data;
@@ -101,7 +98,8 @@ static int __init omap_rng_probe(struct platform_device *pdev)
* A bit ugly, and it will never actually happen but there can
* be only one RNG and this catches any bork
*/
BUG_ON(rng_dev);
if (rng_dev)
return -EBUSY;
if (cpu_is_omap24xx()) {
rng_ick = clk_get(NULL, "rng_ick");
@@ -124,7 +122,7 @@ static int __init omap_rng_probe(struct platform_device *pdev)
return -EBUSY;
dev_set_drvdata(&pdev->dev, mem);
rng_base = (u32 __iomem *)io_p2v(res->start);
rng_base = (u32 __force __iomem *)io_p2v(res->start);
ret = hwrng_register(&omap_rng_ops);
if (ret) {
@@ -182,6 +180,8 @@ static int omap_rng_resume(struct platform_device *pdev)
#endif
/* work with hotplug and coldplug */
MODULE_ALIAS("platform:omap_rng");
static struct platform_driver omap_rng_driver = {
.driver = {