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Kirill Smelkov
linux
Commits
553da857
Commit
553da857
authored
Mar 23, 2010
by
Krzysztof Hałasa
Committed by
Jason Cooper
Nov 22, 2012
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Plain Diff
IXP4xx: HW pseudo-random generator is available on IXP45x/46x only.
Signed-off-by:
Krzysztof Hałasa
<
khc@pm.waw.pl
>
parent
87ba5c6a
Changes
2
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2 changed files
with
7 additions
and
4 deletions
+7
-4
drivers/char/hw_random/Kconfig
drivers/char/hw_random/Kconfig
+3
-3
drivers/char/hw_random/ixp4xx-rng.c
drivers/char/hw_random/ixp4xx-rng.c
+4
-1
No files found.
drivers/char/hw_random/Kconfig
View file @
553da857
...
...
@@ -127,12 +127,12 @@ config HW_RANDOM_VIA
If unsure, say Y.
config HW_RANDOM_IXP4XX
tristate "Intel IXP4xx NPU HW Random Number Generator support"
tristate "Intel IXP4xx NPU HW
Pseudo-
Random Number Generator support"
depends on HW_RANDOM && ARCH_IXP4XX
default HW_RANDOM
---help---
This driver provides kernel-side support for the Random
Number Generator hardware found on the Intel IXP4
x
x NPU.
This driver provides kernel-side support for the
Pseudo-
Random
Number Generator hardware found on the Intel IXP4
5x/46
x NPU.
To compile this driver as a module, choose M here: the
module will be called ixp4xx-rng.
...
...
drivers/char/hw_random/ixp4xx-rng.c
View file @
553da857
...
...
@@ -45,6 +45,9 @@ static int __init ixp4xx_rng_init(void)
void
__iomem
*
rng_base
;
int
err
;
if
(
!
cpu_is_ixp46x
())
/* includes IXP455 */
return
-
ENOSYS
;
rng_base
=
ioremap
(
0x70002100
,
4
);
if
(
!
rng_base
)
return
-
ENOMEM
;
...
...
@@ -68,5 +71,5 @@ module_init(ixp4xx_rng_init);
module_exit
(
ixp4xx_rng_exit
);
MODULE_AUTHOR
(
"Deepak Saxena <dsaxena@plexity.net>"
);
MODULE_DESCRIPTION
(
"H/W
Random Number Generator (RNG) driver for IXP4x
x"
);
MODULE_DESCRIPTION
(
"H/W
Pseudo-Random Number Generator (RNG) driver for IXP45x/46
x"
);
MODULE_LICENSE
(
"GPL"
);
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