diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2009-06-13 16:08:01 -0400 |
---|---|---|
committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-06-13 16:08:01 -0400 |
commit | 32f44d62e463f66307513e90c09b4ceeac13cc22 (patch) | |
tree | a0e0c33b3c9c4474787ebb007ff15d6600fb053f /drivers/char/hw_random | |
parent | f3ad116588151b3371ae4e092290e4f48e62b8bb (diff) | |
parent | 08ced854fc4a979d9e59ba01000bf96e7057cfbc (diff) |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: (35 commits)
hwrng: timeriomem - Fix potential oops (request_mem_region/__devinit)
crypto: api - Use formatting of module name
crypto: testmgr - Allow hash test vectors longer than a page
crypto: testmgr - Check all test vector lengths
crypto: hifn_795x - fix __dev{init,exit} markings
crypto: tcrypt - Do not exit on success in fips mode
crypto: compress - Return produced bytes in crypto_{,de}compress_{update,final}
hwrng: via_rng - Support VIA Nano hardware RNG on X86_64 builds
hwrng: via_rng - Support VIA Nano hardware RNG
hwrng: via_rng - The VIA Hardware RNG driver is for the CPU, not Chipset
crypto: testmgr - Skip algs not flagged fips_allowed in fips mode
crypto: testmgr - Mark algs allowed in fips mode
crypto: testmgr - Add ctr(aes) test vectors
crypto: testmgr - Dynamically allocate xbuf and axbuf
crypto: testmgr - Print self-test pass notices in fips mode
crypto: testmgr - Catch base cipher self-test failures in fips mode
crypto: testmgr - Add ansi_cprng test vectors
crypto: testmgr - Add infrastructure for ansi_cprng self-tests
crypto: testmgr - Add self-tests for rfc4309(ccm(aes))
crypto: testmgr - Handle AEAD test vectors expected to fail verification
...
Diffstat (limited to 'drivers/char/hw_random')
-rw-r--r-- | drivers/char/hw_random/Kconfig | 2 | ||||
-rw-r--r-- | drivers/char/hw_random/omap-rng.c | 2 | ||||
-rw-r--r-- | drivers/char/hw_random/timeriomem-rng.c | 26 | ||||
-rw-r--r-- | drivers/char/hw_random/via-rng.c | 15 |
4 files changed, 22 insertions, 23 deletions
diff --git a/drivers/char/hw_random/Kconfig b/drivers/char/hw_random/Kconfig index 5fab6470f4b2..9c00440dcf86 100644 --- a/drivers/char/hw_random/Kconfig +++ b/drivers/char/hw_random/Kconfig | |||
@@ -88,7 +88,7 @@ config HW_RANDOM_N2RNG | |||
88 | 88 | ||
89 | config HW_RANDOM_VIA | 89 | config HW_RANDOM_VIA |
90 | tristate "VIA HW Random Number Generator support" | 90 | tristate "VIA HW Random Number Generator support" |
91 | depends on HW_RANDOM && X86_32 | 91 | depends on HW_RANDOM && X86 |
92 | default HW_RANDOM | 92 | default HW_RANDOM |
93 | ---help--- | 93 | ---help--- |
94 | This driver provides kernel-side support for the Random Number | 94 | This driver provides kernel-side support for the Random Number |
diff --git a/drivers/char/hw_random/omap-rng.c b/drivers/char/hw_random/omap-rng.c index 538313f9e7ac..00dd3de1be51 100644 --- a/drivers/char/hw_random/omap-rng.c +++ b/drivers/char/hw_random/omap-rng.c | |||
@@ -89,7 +89,7 @@ static struct hwrng omap_rng_ops = { | |||
89 | .data_read = omap_rng_data_read, | 89 | .data_read = omap_rng_data_read, |
90 | }; | 90 | }; |
91 | 91 | ||
92 | static int __init omap_rng_probe(struct platform_device *pdev) | 92 | static int __devinit omap_rng_probe(struct platform_device *pdev) |
93 | { | 93 | { |
94 | struct resource *res, *mem; | 94 | struct resource *res, *mem; |
95 | int ret; | 95 | int ret; |
diff --git a/drivers/char/hw_random/timeriomem-rng.c b/drivers/char/hw_random/timeriomem-rng.c index dcd352ad0e7f..a94e930575f2 100644 --- a/drivers/char/hw_random/timeriomem-rng.c +++ b/drivers/char/hw_random/timeriomem-rng.c | |||
@@ -88,9 +88,9 @@ static struct hwrng timeriomem_rng_ops = { | |||
88 | .priv = 0, | 88 | .priv = 0, |
89 | }; | 89 | }; |
90 | 90 | ||
91 | static int __init timeriomem_rng_probe(struct platform_device *pdev) | 91 | static int __devinit timeriomem_rng_probe(struct platform_device *pdev) |
92 | { | 92 | { |
93 | struct resource *res, *mem; | 93 | struct resource *res; |
94 | int ret; | 94 | int ret; |
95 | 95 | ||
96 | res = platform_get_resource(pdev, IORESOURCE_MEM, 0); | 96 | res = platform_get_resource(pdev, IORESOURCE_MEM, 0); |
@@ -98,21 +98,12 @@ static int __init timeriomem_rng_probe(struct platform_device *pdev) | |||
98 | if (!res) | 98 | if (!res) |
99 | return -ENOENT; | 99 | return -ENOENT; |
100 | 100 | ||
101 | mem = request_mem_region(res->start, res->end - res->start + 1, | ||
102 | pdev->name); | ||
103 | if (mem == NULL) | ||
104 | return -EBUSY; | ||
105 | |||
106 | dev_set_drvdata(&pdev->dev, mem); | ||
107 | |||
108 | timeriomem_rng_data = pdev->dev.platform_data; | 101 | timeriomem_rng_data = pdev->dev.platform_data; |
109 | 102 | ||
110 | timeriomem_rng_data->address = ioremap(res->start, | 103 | timeriomem_rng_data->address = ioremap(res->start, |
111 | res->end - res->start + 1); | 104 | res->end - res->start + 1); |
112 | if (!timeriomem_rng_data->address) { | 105 | if (!timeriomem_rng_data->address) |
113 | ret = -ENOMEM; | 106 | return -EIO; |
114 | goto err_ioremap; | ||
115 | } | ||
116 | 107 | ||
117 | if (timeriomem_rng_data->period != 0 | 108 | if (timeriomem_rng_data->period != 0 |
118 | && usecs_to_jiffies(timeriomem_rng_data->period) > 0) { | 109 | && usecs_to_jiffies(timeriomem_rng_data->period) > 0) { |
@@ -125,7 +116,7 @@ static int __init timeriomem_rng_probe(struct platform_device *pdev) | |||
125 | 116 | ||
126 | ret = hwrng_register(&timeriomem_rng_ops); | 117 | ret = hwrng_register(&timeriomem_rng_ops); |
127 | if (ret) | 118 | if (ret) |
128 | goto err_register; | 119 | goto failed; |
129 | 120 | ||
130 | dev_info(&pdev->dev, "32bits from 0x%p @ %dus\n", | 121 | dev_info(&pdev->dev, "32bits from 0x%p @ %dus\n", |
131 | timeriomem_rng_data->address, | 122 | timeriomem_rng_data->address, |
@@ -133,24 +124,19 @@ static int __init timeriomem_rng_probe(struct platform_device *pdev) | |||
133 | 124 | ||
134 | return 0; | 125 | return 0; |
135 | 126 | ||
136 | err_register: | 127 | failed: |
137 | dev_err(&pdev->dev, "problem registering\n"); | 128 | dev_err(&pdev->dev, "problem registering\n"); |
138 | iounmap(timeriomem_rng_data->address); | 129 | iounmap(timeriomem_rng_data->address); |
139 | err_ioremap: | ||
140 | release_resource(mem); | ||
141 | 130 | ||
142 | return ret; | 131 | return ret; |
143 | } | 132 | } |
144 | 133 | ||
145 | static int __devexit timeriomem_rng_remove(struct platform_device *pdev) | 134 | static int __devexit timeriomem_rng_remove(struct platform_device *pdev) |
146 | { | 135 | { |
147 | struct resource *mem = dev_get_drvdata(&pdev->dev); | ||
148 | |||
149 | del_timer_sync(&timeriomem_rng_timer); | 136 | del_timer_sync(&timeriomem_rng_timer); |
150 | hwrng_unregister(&timeriomem_rng_ops); | 137 | hwrng_unregister(&timeriomem_rng_ops); |
151 | 138 | ||
152 | iounmap(timeriomem_rng_data->address); | 139 | iounmap(timeriomem_rng_data->address); |
153 | release_resource(mem); | ||
154 | 140 | ||
155 | return 0; | 141 | return 0; |
156 | } | 142 | } |
diff --git a/drivers/char/hw_random/via-rng.c b/drivers/char/hw_random/via-rng.c index 4e9573c1d39e..794aacb715c1 100644 --- a/drivers/char/hw_random/via-rng.c +++ b/drivers/char/hw_random/via-rng.c | |||
@@ -132,6 +132,19 @@ static int via_rng_init(struct hwrng *rng) | |||
132 | struct cpuinfo_x86 *c = &cpu_data(0); | 132 | struct cpuinfo_x86 *c = &cpu_data(0); |
133 | u32 lo, hi, old_lo; | 133 | u32 lo, hi, old_lo; |
134 | 134 | ||
135 | /* VIA Nano CPUs don't have the MSR_VIA_RNG anymore. The RNG | ||
136 | * is always enabled if CPUID rng_en is set. There is no | ||
137 | * RNG configuration like it used to be the case in this | ||
138 | * register */ | ||
139 | if ((c->x86 == 6) && (c->x86_model >= 0x0f)) { | ||
140 | if (!cpu_has_xstore_enabled) { | ||
141 | printk(KERN_ERR PFX "can't enable hardware RNG " | ||
142 | "if XSTORE is not enabled\n"); | ||
143 | return -ENODEV; | ||
144 | } | ||
145 | return 0; | ||
146 | } | ||
147 | |||
135 | /* Control the RNG via MSR. Tread lightly and pay very close | 148 | /* Control the RNG via MSR. Tread lightly and pay very close |
136 | * close attention to values written, as the reserved fields | 149 | * close attention to values written, as the reserved fields |
137 | * are documented to be "undefined and unpredictable"; but it | 150 | * are documented to be "undefined and unpredictable"; but it |
@@ -205,5 +218,5 @@ static void __exit mod_exit(void) | |||
205 | module_init(mod_init); | 218 | module_init(mod_init); |
206 | module_exit(mod_exit); | 219 | module_exit(mod_exit); |
207 | 220 | ||
208 | MODULE_DESCRIPTION("H/W RNG driver for VIA chipsets"); | 221 | MODULE_DESCRIPTION("H/W RNG driver for VIA CPU with PadLock"); |
209 | MODULE_LICENSE("GPL"); | 222 | MODULE_LICENSE("GPL"); |