linux-kernel - Re: [PATCH v2 1/5] ACPI: property: Remove dead code

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Message-ID: <CAJZ5v0iE2yU9Dptwkyz8PgoGzdSk_8vS69Y+=hE2_o_R=+rbNg@mail.gmail.com>
Date:   Fri, 12 Feb 2021 15:36:47 +0100
From:   "Rafael J. Wysocki" <rafael@...nel.org>
To:     Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Cc:     ACPI Devel Maling List <linux-acpi@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        "Rafael J. Wysocki" <rjw@...ysocki.net>,
        Len Brown <lenb@...nel.org>
Subject: Re: [PATCH v2 1/5] ACPI: property: Remove dead code

On Fri, Feb 12, 2021 at 3:16 PM Andy Shevchenko
<andriy.shevchenko@...ux.intel.com> wrote:
>
> After the commit 3a7a2ab839ad couple of functions became a dead code.
> Moreover, for all these years nobody used them. Remove.
>
> Fixes: 3a7a2ab839ad ("ACPI / property: Extend fwnode_property_* to data-only subnodes")
> Signed-off-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>

Patches [1-4/5] from this series applied as 5.12 material and please
see my comments for the last one sent separately.

Thanks!

> ---
>  drivers/acpi/property.c | 20 --------------------
>  include/linux/acpi.h    | 21 ---------------------
>  2 files changed, 41 deletions(-)
>
> diff --git a/drivers/acpi/property.c b/drivers/acpi/property.c
> index 16b28084c1ca..22ccab4e7c6d 100644
> --- a/drivers/acpi/property.c
> +++ b/drivers/acpi/property.c
> @@ -841,20 +841,6 @@ static int acpi_data_prop_read_single(const struct acpi_device_data *data,
>         return ret;
>  }
>
> -int acpi_dev_prop_read_single(struct acpi_device *adev, const char *propname,
> -                             enum dev_prop_type proptype, void *val)
> -{
> -       int ret;
> -
> -       if (!adev || !val)
> -               return -EINVAL;
> -
> -       ret = acpi_data_prop_read_single(&adev->data, propname, proptype, val);
> -       if (ret < 0 || proptype != ACPI_TYPE_STRING)
> -               return ret;
> -       return 0;
> -}
> -
>  static int acpi_copy_property_array_u8(const union acpi_object *items, u8 *val,
>                                        size_t nval)
>  {
> @@ -995,12 +981,6 @@ static int acpi_data_prop_read(const struct acpi_device_data *data,
>         return ret;
>  }
>
> -int acpi_dev_prop_read(const struct acpi_device *adev, const char *propname,
> -                      enum dev_prop_type proptype, void *val, size_t nval)
> -{
> -       return adev ? acpi_data_prop_read(&adev->data, propname, proptype, val, nval) : -EINVAL;
> -}
> -
>  /**
>   * acpi_node_prop_read - retrieve the value of an ACPI property with given name.
>   * @fwnode: Firmware node to get the property from.
> diff --git a/include/linux/acpi.h b/include/linux/acpi.h
> index ea296289a94c..14ac25165ae1 100644
> --- a/include/linux/acpi.h
> +++ b/include/linux/acpi.h
> @@ -1121,14 +1121,9 @@ acpi_data_add_props(struct acpi_device_data *data, const guid_t *guid,
>
>  int acpi_node_prop_get(const struct fwnode_handle *fwnode, const char *propname,
>                        void **valptr);
> -int acpi_dev_prop_read_single(struct acpi_device *adev,
> -                             const char *propname, enum dev_prop_type proptype,
> -                             void *val);
>  int acpi_node_prop_read(const struct fwnode_handle *fwnode,
>                         const char *propname, enum dev_prop_type proptype,
>                         void *val, size_t nval);
> -int acpi_dev_prop_read(const struct acpi_device *adev, const char *propname,
> -                      enum dev_prop_type proptype, void *val, size_t nval);
>
>  struct fwnode_handle *acpi_get_next_subnode(const struct fwnode_handle *fwnode,
>                                             struct fwnode_handle *child);
> @@ -1230,14 +1225,6 @@ static inline int acpi_node_prop_get(const struct fwnode_handle *fwnode,
>         return -ENXIO;
>  }
>
> -static inline int acpi_dev_prop_read_single(const struct acpi_device *adev,
> -                                           const char *propname,
> -                                           enum dev_prop_type proptype,
> -                                           void *val)
> -{
> -       return -ENXIO;
> -}
> -
>  static inline int acpi_node_prop_read(const struct fwnode_handle *fwnode,
>                                       const char *propname,
>                                       enum dev_prop_type proptype,
> @@ -1246,14 +1233,6 @@ static inline int acpi_node_prop_read(const struct fwnode_handle *fwnode,
>         return -ENXIO;
>  }
>
> -static inline int acpi_dev_prop_read(const struct acpi_device *adev,
> -                                    const char *propname,
> -                                    enum dev_prop_type proptype,
> -                                    void *val, size_t nval)
> -{
> -       return -ENXIO;
> -}
> -
>  static inline struct fwnode_handle *
>  acpi_get_next_subnode(const struct fwnode_handle *fwnode,
>                       struct fwnode_handle *child)
> --
> 2.30.0
>