diff options
| author | Paul Mundt <lethal@linux-sh.org> | 2011-05-24 12:05:26 +0900 |
|---|---|---|
| committer | Paul Mundt <lethal@linux-sh.org> | 2011-05-24 12:05:26 +0900 |
| commit | 8b1aaeaf54f1bcaa0bbec6bb170db367c998d27c (patch) | |
| tree | 2478e1708f5a3da261597f4aa1011d4d41c2cc84 /drivers/char/hw_random | |
| parent | bca606a646a2b1f4fa1ae2b22a0ac707505d7297 (diff) | |
| parent | 5e152b4c9e0fce6149c74406346a7ae7e7a17727 (diff) | |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6 into rmobile-latest
Diffstat (limited to 'drivers/char/hw_random')
| -rw-r--r-- | drivers/char/hw_random/Kconfig | 2 | ||||
| -rw-r--r-- | drivers/char/hw_random/amd-rng.c | 9 | ||||
| -rw-r--r-- | drivers/char/hw_random/n2-drv.c | 7 |
3 files changed, 15 insertions, 3 deletions
diff --git a/drivers/char/hw_random/Kconfig b/drivers/char/hw_random/Kconfig index beecd1cf9b9..a60043b3e40 100644 --- a/drivers/char/hw_random/Kconfig +++ b/drivers/char/hw_random/Kconfig @@ -49,7 +49,7 @@ config HW_RANDOM_INTEL config HW_RANDOM_AMD tristate "AMD HW Random Number Generator support" - depends on HW_RANDOM && X86 && PCI + depends on HW_RANDOM && (X86 || PPC_MAPLE) && PCI default HW_RANDOM ---help--- This driver provides kernel-side support for the Random Number diff --git a/drivers/char/hw_random/amd-rng.c b/drivers/char/hw_random/amd-rng.c index 0d8c5788b8e..c6af038682f 100644 --- a/drivers/char/hw_random/amd-rng.c +++ b/drivers/char/hw_random/amd-rng.c @@ -133,6 +133,12 @@ found: pmbase &= 0x0000FF00; if (pmbase == 0) goto out; + if (!request_region(pmbase + 0xF0, 8, "AMD HWRNG")) { + dev_err(&pdev->dev, "AMD HWRNG region 0x%x already in use!\n", + pmbase + 0xF0); + err = -EBUSY; + goto out; + } amd_rng.priv = (unsigned long)pmbase; amd_pdev = pdev; @@ -141,6 +147,7 @@ found: if (err) { printk(KERN_ERR PFX "RNG registering failed (%d)\n", err); + release_region(pmbase + 0xF0, 8); goto out; } out: @@ -149,6 +156,8 @@ out: static void __exit mod_exit(void) { + u32 pmbase = (unsigned long)amd_rng.priv; + release_region(pmbase + 0xF0, 8); hwrng_unregister(&amd_rng); } diff --git a/drivers/char/hw_random/n2-drv.c b/drivers/char/hw_random/n2-drv.c index 43ac61978d8..ac6739e085e 100644 --- a/drivers/char/hw_random/n2-drv.c +++ b/drivers/char/hw_random/n2-drv.c @@ -619,15 +619,18 @@ static void __devinit n2rng_driver_version(void) pr_info("%s", version); } +static const struct of_device_id n2rng_match[]; static int __devinit n2rng_probe(struct platform_device *op) { + const struct of_device_id *match; int victoria_falls; int err = -ENOMEM; struct n2rng *np; - if (!op->dev.of_match) + match = of_match_device(n2rng_match, &op->dev); + if (!match) return -EINVAL; - victoria_falls = (op->dev.of_match->data != NULL); + victoria_falls = (match->data != NULL); n2rng_driver_version(); np = kzalloc(sizeof(*np), GFP_KERNEL); |