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hwrng: atmel - add DT support

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Add DT support.

Make the driver depend on CONFIG_OF as at91sam9g45 was the only SoC making
use of the TRNG block and this SoC is now fully migrated to DT.

Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Acked-by: Peter Korsgaard <peter@korsgaard.com>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Boris Brezillon 2014-11-20 10:43:23 +01:00 committed by Herbert Xu
parent 21961efa13
commit 4951db7edc
2 changed files with 8 additions and 1 deletions
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2
drivers/char/hw_random/Kconfig
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@ -64,7 +64,7 @@ config HW_RANDOM_AMD
config HW_RANDOM_ATMEL
tristate "Atmel Random Number Generator support"
depends on ARCH_AT91 && HAVE_CLK
depends on ARCH_AT91 && HAVE_CLK && OF
default HW_RANDOM
---help---
This driver provides kernel-side support for the Random Number

7
drivers/char/hw_random/atmel-rng.c
View File

@ -123,6 +123,12 @@ static const struct dev_pm_ops atmel_trng_pm_ops = {
};
#endif /* CONFIG_PM */
static const struct of_device_id atmel_trng_dt_ids[] = {
{ .compatible = "atmel,at91sam9g45-trng" },
{ /* sentinel */ }
};
MODULE_DEVICE_TABLE(of, atmel_trng_dt_ids);
static struct platform_driver atmel_trng_driver = {
.probe = atmel_trng_probe,
.remove = atmel_trng_remove,
@ -132,6 +138,7 @@ static struct platform_driver atmel_trng_driver = {
#ifdef CONFIG_PM
.pm = &atmel_trng_pm_ops,
#endif /* CONFIG_PM */
.of_match_table = atmel_trng_dt_ids,
},
};