diff options
author | Feng Kan <fkan@apm.com> | 2015-03-06 14:53:15 -0800 |
---|---|---|
committer | Herbert Xu <herbert@gondor.apana.org.au> | 2015-03-09 21:06:19 +1100 |
commit | a508412b169d5398dc5f800147097b255c2941be (patch) | |
tree | 950919ff10993712d6d2d04142ef615009cc4468 /drivers/char | |
parent | 2ca87a17045194638c69be87e2430842f743b00b (diff) | |
download | talos-obmc-linux-a508412b169d5398dc5f800147097b255c2941be.tar.gz talos-obmc-linux-a508412b169d5398dc5f800147097b255c2941be.zip |
hwrng: xgene - add ACPI support for APM X-Gene RNG unit
This adds ACPI support for APM X-Gene RNG unit.
Signed-off-by: Feng Kan <fkan@apm.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'drivers/char')
-rw-r--r-- | drivers/char/hw_random/xgene-rng.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/char/hw_random/xgene-rng.c b/drivers/char/hw_random/xgene-rng.c index 23caa05380a8..c37cf754a985 100644 --- a/drivers/char/hw_random/xgene-rng.c +++ b/drivers/char/hw_random/xgene-rng.c @@ -21,6 +21,7 @@ * */ +#include <linux/acpi.h> #include <linux/clk.h> #include <linux/delay.h> #include <linux/hw_random.h> @@ -310,6 +311,14 @@ static int xgene_rng_init(struct hwrng *rng) return 0; } +#ifdef CONFIG_ACPI +static const struct acpi_device_id xgene_rng_acpi_match[] = { + { "APMC0D18", }, + { } +}; +MODULE_DEVICE_TABLE(acpi, xgene_rng_acpi_match); +#endif + static struct hwrng xgene_rng_func = { .name = "xgene-rng", .init = xgene_rng_init, @@ -415,6 +424,7 @@ static struct platform_driver xgene_rng_driver = { .driver = { .name = "xgene-rng", .of_match_table = xgene_rng_of_match, + .acpi_match_table = ACPI_PTR(xgene_rng_acpi_match), }, }; |