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hwrng: n2 - Use device_get_match_data()

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Use preferred device_get_match_data() instead of of_match_device() to
get the driver match data. With this, adjust the includes to explicitly
include the correct headers.

Signed-off-by: Rob Herring <robh@kernel.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Rob Herring 2023-10-06 16:43:40 -05:00 • committed by Herbert Xu
parent 4dc44aec28
commit 30bf5bd05e
1 changed files with 3 additions and 7 deletions
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10
drivers/char/hw_random/n2-drv.c
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@ -14,7 +14,8 @@
#include <linux/hw_random.h> #include <linux/hw_random.h>
#include <linux/of.h> #include <linux/of.h>
#include <linux/of_device.h> #include <linux/platform_device.h>
#include <linux/property.h>
#include <asm/hypervisor.h> #include <asm/hypervisor.h>
@ -695,20 +696,15 @@ static void n2rng_driver_version(void)
static const struct of_device_id n2rng_match[]; static const struct of_device_id n2rng_match[];
static int n2rng_probe(struct platform_device *op) static int n2rng_probe(struct platform_device *op)
{ {
const struct of_device_id *match;
int err = -ENOMEM; int err = -ENOMEM;
struct n2rng *np; struct n2rng *np;
match = of_match_device(n2rng_match, &op->dev);
if (!match)
return -EINVAL;
n2rng_driver_version(); n2rng_driver_version();
np = devm_kzalloc(&op->dev, sizeof(*np), GFP_KERNEL); np = devm_kzalloc(&op->dev, sizeof(*np), GFP_KERNEL);
if (!np) if (!np)
goto out; goto out;
np->op = op; np->op = op;
np->data = (struct n2rng_template *)match->data; np->data = (struct n2rng_template *)device_get_match_data(&op->dev);
INIT_DELAYED_WORK(&np->work, n2rng_work); INIT_DELAYED_WORK(&np->work, n2rng_work);