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yaml
---
r: 148821
b: refs/heads/master
c: 08ced85
h: refs/heads/master
i:
  148819: 06bd976
v: v3
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Alexander Clouter authored and Herbert Xu committed Jun 3, 2009
1 parent 1eb4c7e commit 228b973
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Showing 2 changed files with 7 additions and 21 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: aa07a6990f4b6a8ef9fc538dea55bac6f92255f2
refs/heads/master: 08ced854fc4a979d9e59ba01000bf96e7057cfbc
26 changes: 6 additions & 20 deletions trunk/drivers/char/hw_random/timeriomem-rng.c
Original file line number Diff line number Diff line change
Expand Up @@ -88,31 +88,22 @@ static struct hwrng timeriomem_rng_ops = {
.priv = 0,
};

static int __init timeriomem_rng_probe(struct platform_device *pdev)
static int __devinit timeriomem_rng_probe(struct platform_device *pdev)
{
struct resource *res, *mem;
struct resource *res;
int ret;

res = platform_get_resource(pdev, IORESOURCE_MEM, 0);

if (!res)
return -ENOENT;

mem = request_mem_region(res->start, res->end - res->start + 1,
pdev->name);
if (mem == NULL)
return -EBUSY;

dev_set_drvdata(&pdev->dev, mem);

timeriomem_rng_data = pdev->dev.platform_data;

timeriomem_rng_data->address = ioremap(res->start,
res->end - res->start + 1);
if (!timeriomem_rng_data->address) {
ret = -ENOMEM;
goto err_ioremap;
}
if (!timeriomem_rng_data->address)
return -EIO;

if (timeriomem_rng_data->period != 0
&& usecs_to_jiffies(timeriomem_rng_data->period) > 0) {
Expand All @@ -125,32 +116,27 @@ static int __init timeriomem_rng_probe(struct platform_device *pdev)

ret = hwrng_register(&timeriomem_rng_ops);
if (ret)
goto err_register;
goto failed;

dev_info(&pdev->dev, "32bits from 0x%p @ %dus\n",
timeriomem_rng_data->address,
timeriomem_rng_data->period);

return 0;

err_register:
failed:
dev_err(&pdev->dev, "problem registering\n");
iounmap(timeriomem_rng_data->address);
err_ioremap:
release_resource(mem);

return ret;
}

static int __devexit timeriomem_rng_remove(struct platform_device *pdev)
{
struct resource *mem = dev_get_drvdata(&pdev->dev);

del_timer_sync(&timeriomem_rng_timer);
hwrng_unregister(&timeriomem_rng_ops);

iounmap(timeriomem_rng_data->address);
release_resource(mem);

return 0;
}
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