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Subject: Re: [RFC PATCH 32/57] drivers: s390-crypto: Use
 class_device_find_by_name() helper
To:     Suzuki K Poulose <suzuki.poulose@arm.com>,
        linux-kernel@vger.kernel.org
Cc:     gregkh@linuxfoundation.org, rafael@kernel.org,
        Martin Schwidefsky <schwidefsky@de.ibm.com>,
        Heiko Carstens <heiko.carstens@de.ibm.com>
References: <1559577023-558-1-git-send-email-suzuki.poulose@arm.com>
 <1559577023-558-33-git-send-email-suzuki.poulose@arm.com>
From:   Harald Freudenberger <freude@linux.ibm.com>
Date:   Tue, 4 Jun 2019 08:45:58 +0200
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On 03.06.19 17:49, Suzuki K Poulose wrote:
> Use the new class_find_device_by_name() helper.
>
> Cc: Harald Freudenberger <freude@linux.ibm.com>
> Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
> Cc: Heiko Carstens <heiko.carstens@de.ibm.com>
> Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>
> ---
>  drivers/s390/crypto/zcrypt_api.c | 12 ++----------
>  1 file changed, 2 insertions(+), 10 deletions(-)
>
> diff --git a/drivers/s390/crypto/zcrypt_api.c b/drivers/s390/crypto/zcrypt_api.c
> index 1058b4b..16cad8e 100644
> --- a/drivers/s390/crypto/zcrypt_api.c
> +++ b/drivers/s390/crypto/zcrypt_api.c
> @@ -133,12 +133,6 @@ struct zcdn_device {
>  static int zcdn_create(const char *name);
>  static int zcdn_destroy(const char *name);
>  
> -/* helper function, matches the name for find_zcdndev_by_name() */
> -static int __match_zcdn_name(struct device *dev, const void *data)
> -{
> -	return strcmp(dev_name(dev), (const char *)data) == 0;
> -}
> -
>  /* helper function, matches the devt value for find_zcdndev_by_devt() */
>  static int __match_zcdn_devt(struct device *dev, const void *data)
>  {
> @@ -152,10 +146,8 @@ static int __match_zcdn_devt(struct device *dev, const void *data)
>   */
>  static inline struct zcdn_device *find_zcdndev_by_name(const char *name)
>  {
> -	struct device *dev =
> -		class_find_device(zcrypt_class, NULL,
> -				  (void *) name,
> -				  __match_zcdn_name);
> +	struct device *dev = class_find_device_by_name(zcrypt_class,
> +							NULL, (void *) name);
>  
>  	return dev ? to_zcdn_dev(dev) : NULL;
>  }
fine with me, thanks
acked-by: Harald Freudenberger <freude@linux.ibm.com>