From: Feng Kan Subject: [PATCH] rng: xgene-rng: add ACPI support for APM X-Gene RNG unit Date: Fri, 6 Mar 2015 14:53:15 -0800 Message-ID: <1425682395-17821-1-git-send-email-fkan@apm.com> Cc: Feng Kan To: patches@apm.com, mpm@selenic.com, herbert@gondor.apana.org.au, linux-crypto@vger.kernel.org, linux-kernel@vger.kernel.org Return-path: Sender: linux-kernel-owner@vger.kernel.org List-Id: linux-crypto.vger.kernel.org This adds ACPI support for APM X-Gene RNG unit. Signed-off-by: Feng Kan --- drivers/char/hw_random/xgene-rng.c | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/drivers/char/hw_random/xgene-rng.c b/drivers/char/hw_random/xgene-rng.c index 23caa05..c37cf75 100644 --- a/drivers/char/hw_random/xgene-rng.c +++ b/drivers/char/hw_random/xgene-rng.c @@ -21,6 +21,7 @@ * */ +#include #include #include #include @@ -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), }, }; -- 1.9.1