This makes the hardware random number generator found in
the IXP46x SoCs probe from the device tree.
Cc: Deepak Saxena <dsaxena@xxxxxxxxxxx>
Signed-off-by: Linus Walleij <linus.walleij@xxxxxxxxxx>
---
The idea is to apply this through the ARM SoC tree along
with other IXP4xx refactorings.
Please tell me if you prefer another solution.
---
drivers/char/hw_random/ixp4xx-rng.c | 10 ++++++++++
1 file changed, 10 insertions(+)
diff --git a/drivers/char/hw_random/ixp4xx-rng.c b/drivers/char/hw_random/ixp4xx-rng.c
index 8b59aeefd4a4..188854dd16a9 100644
--- a/drivers/char/hw_random/ixp4xx-rng.c
+++ b/drivers/char/hw_random/ixp4xx-rng.c
@@ -19,6 +19,7 @@
#include <linux/init.h>
#include <linux/bitops.h>
#include <linux/hw_random.h>
+#include <linux/of.h>
#include <linux/soc/ixp4xx/cpu.h>
#include <asm/io.h>
@@ -55,9 +56,18 @@ static int ixp4xx_rng_probe(struct platform_device *pdev)
return devm_hwrng_register(dev, &ixp4xx_rng_ops);
}
+static const struct of_device_id ixp4xx_rng_of_match[] = {
+ {
+ .compatible = "intel,ixp46x-rng",
+ },
+ {},
+};
+MODULE_DEVICE_TABLE(of, ixp4xx_rng_of_match);
+
static struct platform_driver ixp4xx_rng_driver = {
.driver = {
.name = "ixp4xx-hwrandom",
+ .of_match_table = ixp4xx_rng_of_match,
},
.probe = ixp4xx_rng_probe,
};
--
2.30.2
