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| author | Alexander Clouter <alex@digriz.org.uk> | 2009-02-22 05:03:56 +0100 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2009-02-22 05:03:56 +0100 |
| commit | 9c3c133b1ed6e6d01bfabb6de29bf3d0f0886354 (patch) | |
| tree | 2e6b7184477f75820ce0947df0786920880e4d42 /drivers/char/hw_random/Makefile | |
| parent | crypto: chainiv - Use kcrypto_wq instead of keventd_wq (diff) | |
| download | linux-9c3c133b1ed6e6d01bfabb6de29bf3d0f0886354.tar.xz linux-9c3c133b1ed6e6d01bfabb6de29bf3d0f0886354.zip | |
hwrng: timeriomem - New driver
Some hardware platforms, the TS-7800[1] is one for example, can
supply the kernel with an entropy source, albeit a slow one for
TS-7800 users, by just reading a particular IO address. This
source must not be read above a certain rate otherwise the quality
suffers.
The driver is then hooked into by calling
platform_device_(register|add|del) passing a structure similar to:
------
static struct timeriomem_rng_data ts78xx_ts_rng_data = {
.address = (u32 *__iomem) TS_RNG,
.period = 1000000, /* one second */
};
static struct platform_device ts78xx_ts_rng_device = {
.name = "timeriomem_rng",
.id = -1,
.dev = {
.platform_data = &ts78xx_ts_rng_data,
},
.num_resources = 0,
};
------
[1] http://www.embeddedarm.com/products/board-detail.php?product=TS-7800
Signed-off-by: Alexander Clouter <alex@digriz.org.uk>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'drivers/char/hw_random/Makefile')
| -rw-r--r-- | drivers/char/hw_random/Makefile | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/char/hw_random/Makefile b/drivers/char/hw_random/Makefile index b6effb7522c2..e81d21a5f28f 100644 --- a/drivers/char/hw_random/Makefile +++ b/drivers/char/hw_random/Makefile @@ -4,6 +4,7 @@ obj-$(CONFIG_HW_RANDOM) += rng-core.o rng-core-y := core.o +obj-$(CONFIG_HW_RANDOM_TIMERIOMEM) += timeriomem-rng.o obj-$(CONFIG_HW_RANDOM_INTEL) += intel-rng.o obj-$(CONFIG_HW_RANDOM_AMD) += amd-rng.o obj-$(CONFIG_HW_RANDOM_GEODE) += geode-rng.o |