linux-kernel - Re: [PATCH] pnp: remove the now unused pnp_find

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Message-ID: <CAJZ5v0jRj1Ni+470yPksa0=J16yM_5TfZgUssApNQN43WMY1Ug@mail.gmail.com>
Date:   Thu, 8 Oct 2020 18:01:03 +0200
From:   "Rafael J. Wysocki" <rafael@...nel.org>
To:     Christoph Hellwig <hch@....de>
Cc:     Rafael Wysocki <rafael.j.wysocki@...el.com>,
        ACPI Devel Maling List <linux-acpi@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] pnp: remove the now unused pnp_find_card function

On Thu, Oct 8, 2020 at 8:53 AM Christoph Hellwig <hch@....de> wrote:
>
> All user of the pnp_find_card compat wrapper are gone, so remove
> the function as well.
>
> Signed-off-by: Christoph Hellwig <hch@....de>
> ---
>  Documentation/admin-guide/pnp.rst |  4 ----
>  drivers/pnp/isapnp/compat.c       | 23 -----------------------
>  include/linux/isapnp.h            |  6 ------
>  3 files changed, 33 deletions(-)
>
> diff --git a/Documentation/admin-guide/pnp.rst b/Documentation/admin-guide/pnp.rst
> index bab2d10631f00d..3eda08191d139a 100644
> --- a/Documentation/admin-guide/pnp.rst
> +++ b/Documentation/admin-guide/pnp.rst
> @@ -281,10 +281,6 @@ ISAPNP drivers.  They should serve as a temporary solution only.
>
>  They are as follows::
>
> -       struct pnp_card *pnp_find_card(unsigned short vendor,
> -                                      unsigned short device,
> -                                      struct pnp_card *from)
> -
>         struct pnp_dev *pnp_find_dev(struct pnp_card *card,
>                                      unsigned short vendor,
>                                      unsigned short function,
> diff --git a/drivers/pnp/isapnp/compat.c b/drivers/pnp/isapnp/compat.c
> index 6c845b6283163d..035e9509248968 100644
> --- a/drivers/pnp/isapnp/compat.c
> +++ b/drivers/pnp/isapnp/compat.c
> @@ -21,28 +21,6 @@ static void pnp_convert_id(char *buf, unsigned short vendor,
>                 (device >> 12) & 0x0f, (device >> 8) & 0x0f);
>  }
>
> -struct pnp_card *pnp_find_card(unsigned short vendor, unsigned short device,
> -                              struct pnp_card *from)
> -{
> -       char id[8];
> -       char any[8];
> -       struct list_head *list;
> -
> -       pnp_convert_id(id, vendor, device);
> -       pnp_convert_id(any, ISAPNP_ANY_ID, ISAPNP_ANY_ID);
> -
> -       list = from ? from->global_list.next : pnp_cards.next;
> -
> -       while (list != &pnp_cards) {
> -               struct pnp_card *card = global_to_pnp_card(list);
> -
> -               if (compare_pnp_id(card->id, id) || (memcmp(id, any, 7) == 0))
> -                       return card;
> -               list = list->next;
> -       }
> -       return NULL;
> -}
> -
>  struct pnp_dev *pnp_find_dev(struct pnp_card *card, unsigned short vendor,
>                              unsigned short function, struct pnp_dev *from)
>  {
> @@ -86,5 +64,4 @@ struct pnp_dev *pnp_find_dev(struct pnp_card *card, unsigned short vendor,
>         return NULL;
>  }
>
> -EXPORT_SYMBOL(pnp_find_card);
>  EXPORT_SYMBOL(pnp_find_dev);
> diff --git a/include/linux/isapnp.h b/include/linux/isapnp.h
> index 11edb2109a68f6..dba18c95844bde 100644
> --- a/include/linux/isapnp.h
> +++ b/include/linux/isapnp.h
> @@ -75,9 +75,6 @@ static inline int isapnp_proc_done(void) { return 0; }
>  #endif
>
>  /* compat */
> -struct pnp_card *pnp_find_card(unsigned short vendor,
> -                              unsigned short device,
> -                              struct pnp_card *from);
>  struct pnp_dev *pnp_find_dev(struct pnp_card *card,
>                              unsigned short vendor,
>                              unsigned short function,
> @@ -92,9 +89,6 @@ static inline int isapnp_cfg_end(void) { return -ENODEV; }
>  static inline unsigned char isapnp_read_byte(unsigned char idx) { return 0xff; }
>  static inline void isapnp_write_byte(unsigned char idx, unsigned char val) { ; }
>
> -static inline struct pnp_card *pnp_find_card(unsigned short vendor,
> -                                            unsigned short device,
> -                                            struct pnp_card *from) { return NULL; }
>  static inline struct pnp_dev *pnp_find_dev(struct pnp_card *card,
>                                            unsigned short vendor,
>                                            unsigned short function,
> --

Applied as 5.10 material, thanks!